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-rwxr-xr-xsource/installer/sources/initrd/sbin/rescan-scsi-bus1248
1 files changed, 306 insertions, 942 deletions
diff --git a/source/installer/sources/initrd/sbin/rescan-scsi-bus b/source/installer/sources/initrd/sbin/rescan-scsi-bus
index 077cadba..4be8f01e 100755
--- a/source/installer/sources/initrd/sbin/rescan-scsi-bus
+++ b/source/installer/sources/initrd/sbin/rescan-scsi-bus
@@ -1,10 +1,10 @@
#!/bin/bash
-# Script to rescan SCSI bus, using the scsi add-single-device mechanism.
+# Skript to rescan SCSI bus, using the
+# scsi add-single-device mechanism
# (c) 1998--2010 Kurt Garloff <kurt@garloff.de>, GNU GPL v2 or v3
-# (c) 2006--2018 Hannes Reinecke, GNU GPL v2 or later
-# $Id: rescan-scsi-bus.sh,v 1.57 2012/03/31 14:08:48 garloff Exp $
+# (c) 2006--2008 Hannes Reinecke, GNU GPL v2 or later
+# $Id: rescan-scsi-bus.sh,v 1.56 2012/01/14 22:23:53 garloff Exp $
-VERSION="20180615"
SCAN_WILD_CARD=4294967295
setcolor ()
@@ -16,19 +16,12 @@ setcolor ()
norm="\e[0;0m"
}
-unsetcolor ()
+unsetcolor ()
{
red=""; green=""
yellow=""; norm=""
}
-echo_debug()
-{
- if [ "$debug" -eq 1 ] ; then
- echo "$1"
- fi
-}
-
# Output some text and return cursor to previous position
# (only works for simple strings)
# Stores length of string in LN and returns it
@@ -38,43 +31,44 @@ print_and_scroll_back ()
LN=${#STRG}
BK=""
declare -i cntr=0
- while [ $cntr -lt "$LN" ] ; do BK="$BK\e[D"; let cntr+=1; done
+ while test $cntr -lt $LN; do BK="$BK\e[D"; let cntr+=1; done
echo -en "$STRG$BK"
- return "$LN"
+ return $LN
}
-# Overwrite a text of length $LN with whitespace
+# Overwrite a text of length $1 (fallback to $LN) with whitespace
white_out ()
{
BK=""; WH=""
+ if test -n "$1"; then LN=$1; fi
declare -i cntr=0
- while [ $cntr -lt "$LN" ] ; do BK="$BK\e[D"; WH="$WH "; let cntr+=1; done
+ while test $cntr -lt $LN; do BK="$BK\e[D"; WH="$WH "; let cntr+=1; done
echo -en "$WH$BK"
}
# Return hosts. sysfs must be mounted
findhosts_26 ()
{
- hosts=
- for hostdir in /sys/class/scsi_host/host* ; do
- [ -e "$hostdir" ] || continue
+ hosts=`find /sys/class/scsi_host/host* -maxdepth 4 -type d -o -type l 2> /dev/null | awk -F'/' '{print $5}' | sed -e 's~host~~' | sort -nu`
+ scsi_host_data=`echo "$hosts" | sed -e 's~^~/sys/class/scsi_host/host~'`
+ for hostdir in $scsi_host_data; do
hostno=${hostdir#/sys/class/scsi_host/host}
- if [ -f "$hostdir/isp_name" ] ; then
+ if [ -f $hostdir/isp_name ] ; then
hostname="qla2xxx"
- elif [ -f "$hostdir/lpfc_drvr_version" ] ; then
+ elif [ -f $hostdir/lpfc_drvr_version ] ; then
hostname="lpfc"
else
- hostname=$(cat "$hostdir/proc_name")
+ hostname=`cat $hostdir/proc_name`
fi
- hosts="$hosts $hostno"
- echo_debug "Host adapter $hostno ($hostname) found."
- done
+ #hosts="$hosts $hostno"
+ echo "Host adapter $hostno ($hostname) found."
+ done
if [ -z "$hosts" ] ; then
echo "No SCSI host adapters found in sysfs"
exit 1;
fi
# Not necessary just use double quotes around variable to preserve new lines
- #hosts=$(echo $hosts | tr ' ' '\n')
+ #hosts=`echo $hosts | tr ' ' '\n'`
}
# Return hosts. /proc/scsi/HOSTADAPTER/? must exist
@@ -83,15 +77,15 @@ findhosts ()
hosts=
for driverdir in /proc/scsi/*; do
driver=${driverdir#/proc/scsi/}
- if [ "$driver" = scsi ] || [ "$driver" = sg ] || [ "$driver" = dummy ] || [ "$driver" = device_info ] ; then continue; fi
+ if test $driver = scsi -o $driver = sg -o $driver = dummy -o $driver = device_info; then continue; fi
for hostdir in $driverdir/*; do
name=${hostdir#/proc/scsi/*/}
- if [ "$name" = add_map ] || [ "$name" = map ] || [ "$name" = mod_parm ] ; then continue; fi
+ if test $name = add_map -o $name = map -o $name = mod_parm; then continue; fi
num=$name
driverinfo=$driver
- if [ -r "$hostdir/status" ] ; then
- num=$(printf '%d\n' "$(sed -n 's/SCSI host number://p' "$hostdir/status")")
- driverinfo="$driver:$name"
+ if test -r $hostdir/status; then
+ num=$(printf '%d\n' `sed -n 's/SCSI host number://p' $hostdir/status`)
+ driverinfo="$driver:$name"
fi
hosts="$hosts $num"
echo "Host adapter $num ($driverinfo) found."
@@ -104,28 +98,28 @@ printtype ()
local type=$1
case "$type" in
- 0) echo "Direct-Access" ;;
+ 0) echo "Direct-Access " ;;
1) echo "Sequential-Access" ;;
- 2) echo "Printer" ;;
- 3) echo "Processor" ;;
- 4) echo "WORM" ;;
- 5) echo "CD-ROM" ;;
- 6) echo "Scanner" ;;
- 7) echo "Optical-Device" ;;
- 8) echo "Medium-Changer" ;;
- 9) echo "Communications" ;;
- 10) echo "Unknown" ;;
- 11) echo "Unknown" ;;
- 12) echo "RAID" ;;
- 13) echo "Enclosure" ;;
+ 2) echo "Printer " ;;
+ 3) echo "Processor " ;;
+ 4) echo "WORM " ;;
+ 5) echo "CD-ROM " ;;
+ 6) echo "Scanner " ;;
+ 7) echo "Optical Device " ;;
+ 8) echo "Medium Changer " ;;
+ 9) echo "Communications " ;;
+ 10) echo "Unknown " ;;
+ 11) echo "Unknown " ;;
+ 12) echo "RAID " ;;
+ 13) echo "Enclosure " ;;
14) echo "Direct-Access-RBC" ;;
- *) echo "Unknown" ;;
+ *) echo "Unknown " ;;
esac
}
print02i()
{
- if [ "$1" = "*" ] ; then
+ if [ "$1" = "*" ] ; then
echo "00"
else
printf "%02i" "$1"
@@ -133,36 +127,32 @@ print02i()
}
# Get /proc/scsi/scsi info for device $host:$channel:$id:$lun
-# Optional parameter: Number of lines after first (default = 2),
+# Optional parameter: Number of lines after first (default = 2),
# result in SCSISTR, return code 1 means empty.
procscsiscsi ()
-{
- if [ -z "$1" ] ; then
- LN=2
- else
- LN=$1
- fi
- CHANNEL=$(print02i "$channel")
- ID=$(print02i "$id")
- LUN=$(print02i "$lun")
+{
+ if test -z "$1"; then LN=2; else LN=$1; fi
+ CHANNEL=`print02i "$channel"`
+ ID=`print02i "$id"`
+ LUN=`print02i "$lun"`
if [ -d /sys/class/scsi_device ]; then
SCSIPATH="/sys/class/scsi_device/${host}:${channel}:${id}:${lun}"
if [ -d "$SCSIPATH" ] ; then
SCSISTR="Host: scsi${host} Channel: $CHANNEL Id: $ID Lun: $LUN"
if [ "$LN" -gt 0 ] ; then
- IVEND=$(cat "${SCSIPATH}/device/vendor")
- IPROD=$(cat "${SCSIPATH}/device/model")
- IPREV=$(cat "${SCSIPATH}/device/rev")
- SCSIDEV=$(printf ' Vendor: %-08s Model: %-16s Rev: %-4s' "$IVEND" "$IPROD" "$IPREV")
- SCSISTR="$SCSISTR
+ IVEND=$(cat ${SCSIPATH}/device/vendor)
+ IPROD=$(cat ${SCSIPATH}/device/model)
+ IPREV=$(cat ${SCSIPATH}/device/rev)
+ SCSIDEV=$(printf ' Vendor: %-08s Model: %-16s Rev: %-4s' "$IVEND" "$IPROD" "$IPREV")
+ SCSISTR="$SCSISTR
$SCSIDEV"
fi
if [ "$LN" -gt 1 ] ; then
- ILVL=$(cat "${SCSIPATH}/device/scsi_level")
- type=$(cat "${SCSIPATH}/device/type")
- ITYPE=$(printtype "$type")
- SCSITMP=$(printf ' Type: %-17s ANSI SCSI revision: %02d' "$ITYPE" "$((ILVL - 1))")
- SCSISTR="$SCSISTR
+ ILVL=$(cat ${SCSIPATH}/device/scsi_level)
+ type=$(cat ${SCSIPATH}/device/type)
+ ITYPE=$(printtype $type)
+ SCSITMP=$(printf ' Type: %-16s ANSI SCSI revision: %02d' "$ITYPE" "$((ILVL - 1))")
+ SCSISTR="$SCSISTR
$SCSITMP"
fi
else
@@ -170,39 +160,33 @@ $SCSITMP"
fi
else
grepstr="scsi$host Channel: $CHANNEL Id: $ID Lun: $LUN"
- SCSISTR=$(grep -A "$LN" -e "$grepstr" /proc/scsi/scsi)
- fi
- if [ -z "$SCSISTR" ] ; then
- return 1
- else
- return 0
+ SCSISTR=`cat /proc/scsi/scsi | grep -A$LN -e"$grepstr"`
fi
+ if test -z "$SCSISTR"; then return 1; else return 0; fi
}
# Find sg device with 2.6 sysfs support
sgdevice26 ()
{
- local gendev
-
- gendev=/sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/generic
- if [ -e "$gendev" ] ; then
- SGDEV=$(basename "$(readlink "$gendev")")
+ if test -e /sys/class/scsi_device/$host\:$channel\:$id\:$lun/device/generic; then
+ SGDEV=`readlink /sys/class/scsi_device/$host\:$channel\:$id\:$lun/device/generic`
+ SGDEV=`basename $SGDEV`
else
for SGDEV in /sys/class/scsi_generic/sg*; do
- DEV=$(readlink "$SGDEV/device")
- if [ "${DEV##*/}" = "$host:$channel:$id:$lun" ] ; then
- SGDEV=$(basename "$SGDEV"); return
+ DEV=`readlink $SGDEV/device`
+ if test "${DEV##*/}" = "$host:$channel:$id:$lun"; then
+ SGDEV=`basename $SGDEV`; return
fi
done
SGDEV=""
- fi
+ fi
}
# Find sg device with 2.4 report-devs extensions
sgdevice24 ()
{
if procscsiscsi 3; then
- SGDEV=$(echo "$SCSISTR" | grep 'Attached drivers:' | sed 's/^ *Attached drivers: \(sg[0-9]*\).*/\1/')
+ SGDEV=`echo "$SCSISTR" | grep 'Attached drivers:' | sed 's/^ *Attached drivers: \(sg[0-9]*\).*/\1/'`
fi
}
@@ -211,17 +195,17 @@ sgdevice24 ()
sgdevice ()
{
SGDEV=
- if [ -d /sys/class/scsi_device ] ; then
+ if test -d /sys/class/scsi_device; then
sgdevice26
- else
- DRV=$(grep 'Attached drivers:' /proc/scsi/scsi 2>/dev/null)
+ else
+ DRV=`grep 'Attached drivers:' /proc/scsi/scsi 2>/dev/null`
repdevstat=$((1-$?))
if [ $repdevstat = 0 ]; then
echo "scsi report-devs 1" >/proc/scsi/scsi
- DRV=$(grep 'Attached drivers:' /proc/scsi/scsi 2>/dev/null)
- [ $? -eq 1 ] && return
+ DRV=`grep 'Attached drivers:' /proc/scsi/scsi 2>/dev/null`
+ if [ $? = 1 ]; then return; fi
fi
- if ! echo "$DRV" | grep -q 'drivers: sg'; then
+ if ! `echo $DRV | grep 'drivers: sg' >/dev/null`; then
modprobe sg
fi
sgdevice24
@@ -231,129 +215,70 @@ sgdevice ()
fi
}
-# Whether or not the RMB (removable) bit has been set in the INQUIRY response.
-# Uses ${host}, ${channel}, ${id} and ${lun}. Assumes that sg_device() has
-# already been called. How to test this function: copy/paste this function
-# in a shell and run
-# (cd /sys/class/scsi_device && for d in *; do set ${d//:/ }; echo -n "$d $(</sys/class/scsi_device/${d}/device/block/*/removable) <> "; SGDEV=bsg/$d host=$1 channel=$2 id=$3 lun=$4 is_removable; done)
-is_removable ()
-{
- local b p
-
- p=/sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/inquiry
- # Extract the second byte of the INQUIRY response and check bit 7 (mask 0x80).
- b=$(hexdump -n1 -e '/1 "%02X"' "$p" 2>/dev/null)
- if [ -n "$b" ]; then
- echo $(((0x$b & 0x80) != 0))
- else
- sg_inq /dev/$SGDEV 2>/dev/null | sed -n 's/^.*RMB=\([0-9]*\).*$/\1/p'
- fi
-}
-
# Test if SCSI device is still responding to commands
-# Return values:
-# 0 device is present
-# 1 device has changed
-# 2 device has been removed
testonline ()
{
- local ctr RC RMB
-
: testonline
- ctr=0
RC=0
- # Set default values
- IPTYPE=31
- IPQUAL=3
- [ ! -x /usr/bin/sg_turs ] && return 0
+ if test ! -x /usr/bin/sg_turs; then return 0; fi
sgdevice
- [ -z "$SGDEV" ] && return 0
+ if test -z "$SGDEV"; then return 0; fi
sg_turs /dev/$SGDEV >/dev/null 2>&1
RC=$?
-
- # Handle in progress of becoming ready and unit attention
- while [ $RC = 2 -o $RC = 6 ] && [ $ctr -le 30 ] ; do
- if [ $RC = 2 ] && [ "$RMB" != "1" ] ; then
- echo -n "."
- let LN+=1
- sleep 1
- else
- sleep 0.02
- fi
+ # Handle in progress of becoming ready and unit attention -- wait at max 11s
+ declare -i ctr=0
+ if test $RC = 2 -o $RC = 6; then
+ RMB=`sg_inq /dev/$SGDEV | grep 'RMB=' | sed 's/^.*RMB=\(.\).*$/\1/'`
+ print_and_scroll_back "$host:$channel:$id:$lun $SGDEV ($RMB) "
+ fi
+ while test $RC = 2 -o $RC = 6 && test $ctr -le 8; do
+ if test $RC = 2 -a "$RMB" != "1"; then echo -n "."; let $LN+=1; sleep 1
+ else usleep 20000; fi
let ctr+=1
sg_turs /dev/$SGDEV >/dev/null 2>&1
RC=$?
- # Check for removable device; TEST UNIT READY obviously will
- # fail for a removable device with no medium
- RMB=$(is_removable)
- print_and_scroll_back "$host:$channel:$id:$lun $SGDEV ($RMB) "
- [ $RC = 2 ] && [ "$RMB" = "1" ] && break
done
- if [ $ctr != 0 ] ; then
- white_out
- fi
+ if test $ctr != 0; then white_out; fi
# echo -e "\e[A\e[A\e[A${yellow}Test existence of $SGDEV = $RC ${norm} \n\n\n"
- [ $RC = 1 ] && return $RC
+ if test $RC = 1; then return $RC; fi
# Reset RC (might be !=0 for passive paths)
RC=0
# OK, device online, compare INQUIRY string
- INQ=$(sg_inq "$sg_len_arg" /dev/$SGDEV 2>/dev/null)
- if [ -z "$INQ" ] ; then
- echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}INQUIRY failed${norm} \n\n\n"
- return 2
- fi
- IVEND=$(echo "$INQ" | grep 'Vendor identification:' | sed 's/^[^:]*: \(.*\)$/\1/')
- IPROD=$(echo "$INQ" | grep 'Product identification:' | sed 's/^[^:]*: \(.*\)$/\1/')
- IPREV=$(echo "$INQ" | grep 'Product revision level:' | sed 's/^[^:]*: \(.*\)$/\1/')
- STR=$(printf " Vendor: %-08s Model: %-16s Rev: %-4s" "$IVEND" "$IPROD" "$IPREV")
- IPTYPE=$(echo "$INQ" | sed -n 's/.* Device_type=\([0-9]*\) .*/\1/p')
- IPQUAL=$(echo "$INQ" | sed -n 's/ *PQual=\([0-9]*\) Device.*/\1/p')
+ INQ=`sg_inq $sg_len_arg /dev/$SGDEV 2>/dev/null`
+ IVEND=`echo "$INQ" | grep 'Vendor identification:' | sed 's/^[^:]*: \(.*\)$/\1/'`
+ IPROD=`echo "$INQ" | grep 'Product identification:' | sed 's/^[^:]*: \(.*\)$/\1/'`
+ IPREV=`echo "$INQ" | grep 'Product revision level:' | sed 's/^[^:]*: \(.*\)$/\1/'`
+ STR=`printf " Vendor: %-08s Model: %-16s Rev: %-4s" "$IVEND" "$IPROD" "$IPREV"`
+ IPTYPE=`echo "$INQ" | sed -n 's/.* Device_type=\([0-9]*\) .*/\1/p'`
+ IPQUAL=`echo "$INQ" | sed -n 's/ *PQual=\([0-9]*\) Device.*/\1/p'`
if [ "$IPQUAL" != 0 ] ; then
- [ -z "$IPQUAL" ] && IPQUAL=3
- [ -z "$IPTYPE" ] && IPTYPE=31
echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}LU not available (PQual $IPQUAL)${norm} \n\n\n"
return 2
fi
TYPE=$(printtype $IPTYPE)
- if ! procscsiscsi ; then
- echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV removed.\n\n\n"
- return 2
- fi
- TMPSTR=$(echo "$SCSISTR" | grep 'Vendor:')
- if [ "$ignore_rev" -eq 0 ] ; then
- if [ "$TMPSTR" != "$STR" ]; then
- echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${SCSISTR#* } \nto: $STR ${norm} \n\n\n"
- return 1
- fi
- else
- # Ignore disk revision change
- local old_str_no_rev=
- local new_str_no_rev=
-
- old_str_no_rev=${TMPSTR%Rev:*}
- new_str_no_rev=${STR%Rev:*}
- if [ "$old_str_no_rev" != "$new_str_no_rev" ]; then
- echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${SCSISTR#* } \nto: $STR ${norm} \n\n\n"
- return 1
- fi
+ procscsiscsi
+ TMPSTR=`echo "$SCSISTR" | grep 'Vendor:'`
+ if [ "$TMPSTR" != "$STR" ]; then
+ echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${SCSISTR#* } \nto: $STR ${norm} \n\n\n"
+ return 1
fi
- TMPSTR=$(echo "$SCSISTR" | sed -n 's/.*Type: *\(.*\) *ANSI.*/\1/p' | sed 's/ *$//g')
- if [ "$TMPSTR" != "$TYPE" ] ; then
+ TMPSTR=`echo "$SCSISTR" | sed -n 's/.*Type: *\(.*\) *ANSI.*/\1/p'`
+ if [ $TMPSTR != $TYPE ] ; then
echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${TMPSTR} \nto: $TYPE ${norm} \n\n\n"
return 1
fi
return $RC
}
-# Test if SCSI device $host $channel $id $lun exists
+# Test if SCSI device $host $channen $id $lun exists
# Outputs description from /proc/scsi/scsi (unless arg passed)
# Returns SCSISTR (empty if no dev)
testexist ()
{
: testexist
SCSISTR=
- if procscsiscsi && [ -z "$1" ] ; then
+ if procscsiscsi && test -z "$1"; then
echo "$SCSISTR" | head -n1
echo "$SCSISTR" | tail -n2 | pr -o4 -l1
fi
@@ -368,55 +293,47 @@ chanlist ()
local tmpchan
for dev in /sys/class/scsi_device/${host}:* ; do
- [ -d "$dev" ] || continue;
+ [ -d $dev ] || continue;
hcil=${dev##*/}
cil=${hcil#*:}
chan=${cil%%:*}
for tmpchan in $channelsearch ; do
- if [ "$chan" -eq "$tmpchan" ] ; then
- chan=
+ if test "$chan" -eq $tmpchan ; then
+ chan=
fi
done
- if [ -n "$chan" ] ; then
+ if test -n "$chan" ; then
channelsearch="$channelsearch $chan"
fi
done
- if [ -z "$channelsearch" ] ; then
- channelsearch="0"
- fi
+ if test -z "$channelsearch"; then channelsearch="0"; fi
}
# Returns the list of existing targets per host
idlist ()
{
+ local hcil
+ local cil
+ local il
+ local target
local tmpid
- local newid
- local oldid
- oldlist=$(find /sys/class/scsi_device -name "${host}:${channel}:*" -printf "%f\n")
- # Rescan LUN 0 to check if we found new targets
- echo "${channel} - -" > "/sys/class/scsi_host/host${host}/scan"
- newlist=$(find /sys/class/scsi_device -name "${host}:${channel}:*" -printf "%f\n")
- for newid in $newlist ; do
- oldid=$newid
- for tmpid in $oldlist ; do
- if [ "$newid" = "$tmpid" ] ; then
- oldid=
- break
+ for dev in /sys/class/scsi_device/${host}:${channel}:* ; do
+ [ -d $dev ] || continue;
+ hcil=${dev##*/}
+ cil=${hcil#*:}
+ il=${cil#*:}
+ target=${il%%:*}
+ for tmpid in $idsearch ; do
+ if test "$target" -eq $tmpid ; then
+ target=
+ break
fi
done
- if [ -n "$oldid" ] ; then
- if [ -d /sys/class/scsi_device/$oldid ] ; then
- hcil=${oldid}
- printf "\r${green}NEW: %s" "$norm"
- testexist
- if [ "$SCSISTR" ] ; then
- incrfound "$hcil"
- fi
- fi
+ if test -n "$target" ; then
+ idsearch="$idsearch $target"
fi
done
- idsearch=$(find /sys/bus/scsi/devices -name "target${host}:${channel}:*" -printf "%f\n" | cut -f 3 -d :)
}
# Returns the list of existing LUNs from device $host $channel $id $lun
@@ -424,25 +341,19 @@ idlist ()
getluns()
{
sgdevice
- [ -z "$SGDEV" ] && return 1
- if [ ! -x /usr/bin/sg_luns ] ; then
- echo 0
- return 1
- fi
- LLUN=$(sg_luns /dev/$SGDEV 2>/dev/null | sed -n 's/ \(.*\)/\1/p')
- # Added -z $LLUN condition because $? gets the RC from sed, not sg_luns
- if [ $? -ne 0 ] || [ -z "$LLUN" ] ; then
- echo 0
- return 1
- fi
+ if test -z "$SGDEV"; then return 1; fi
+ if test ! -x /usr/bin/sg_luns; then echo 0; return 1; fi
+ LLUN=`sg_luns /dev/$SGDEV 2>/dev/null | sed -n 's/ \(.*\)/\1/p'`
+ if test $? != 0; then echo 0; return 1; fi
+ #echo "$LLUN" | sed -n 's/.*lun=\(.*\)/\1/p'
for lun in $LLUN ; do
# Swap LUN number
- l0=0x$lun
- l1=$(( (l0 >> 48) & 0xffff ))
- l2=$(( (l0 >> 32) & 0xffff ))
- l3=$(( (l0 >> 16) & 0xffff ))
- l4=$(( l0 & 0xffff ))
- l0=$(( ( ( (l4 * 0xffff) + l3 ) * 0xffff + l2 ) * 0xffff + l1 ))
+ l0=$(printf '%u' 0x$lun)
+ l1=$(( ($l0 >> 48) & 0xffff ))
+ l2=$(( ($l0 >> 32) & 0xffff ))
+ l3=$(( ($l0 >> 16) & 0xffff ))
+ l4=$(( $l0 & 0xffff ))
+ l0=$(( ( ( ($l4 * 0xffff) + $l3 ) * 0xffff + $l2 ) * 0xffff + $l1 ))
printf "%u\n" $l0
done
return 0
@@ -451,134 +362,92 @@ getluns()
# Wait for udev to settle (create device nodes etc.)
udevadm_settle()
{
- local tmo=60
- if [ -x /sbin/udevadm ] ; then
+ if test -x /sbin/udevadm; then
print_and_scroll_back " Calling udevadm settle (can take a while) "
- # Loop for up to 60 seconds if sd devices still are settling..
- # This allows us to continue if udev events are stuck on multipaths in recovery mode
- while [ $tmo -gt 0 ] ; do
- if ! /sbin/udevadm settle --timeout=1 | egrep -q sd[a-z]+ ; then
- break;
- fi
- let tmo=$tmo-1
- done
+ /sbin/udevadm settle
white_out
- elif [ -x /sbin/udevsettle ] ; then
+ elif test -x /sbin/udevsettle; then
print_and_scroll_back " Calling udevsettle (can take a while) "
/sbin/udevsettle
white_out
else
- sleep 0.02
+ usleep 20000
fi
}
# Perform scan on a single lun $host $channel $id $lun
dolunscan()
{
- local remappedlun0=
- local devpath
SCSISTR=
devnr="$host $channel $id $lun"
echo -e " Scanning for device $devnr ... "
- printf "${yellow}OLD: %s" "$norm"
+ printf "${yellow}OLD: $norm"
testexist
- # Device exists: Test whether it's still online
- # (testonline returns 2 if it's gone and 1 if it has changed)
- devpath="/sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device"
- if [ "$SCSISTR" ] ; then
- testonline
- RC=$?
- # Well known lun transition case. Only for Direct-Access devs (type 0)
- # If block directory exists && and PQUAL != 0, we unmapped lun0 and just have a well-known lun
- # If block directory doesn't exist && PQUAL == 0, we mapped a real lun0
- if [ "$lun" -eq 0 ] && [ $IPTYPE -eq 0 ] ; then
- if [ $RC = 2 ] ; then
- if [ -e "$devpath" ] ; then
- if [ -d "$devpath/block" ] ; then
- remappedlun0=2 # Transition from real lun 0 to well-known
- else
- RC=0 # Set this so the system leaves the existing well known lun alone. This is a lun 0 with no block directory
- fi
- fi
- elif [ $RC = 0 ] && [ $IPTYPE -eq 0 ] ; then
- if [ -e "$devpath" ] ; then
- if [ ! -d "$devpath/block" ] ; then
- remappedlun0=1 # Transition from well-known to real lun 0
- fi
- fi
- fi
- fi
- fi
-
# Special case: lun 0 just got added (for reportlunscan),
# so make sure we correctly treat it as new
- if [ "$lun" = "0" ] && [ "$1" = "1" ] && [ -z "$remappedlun0" ] ; then
+ if test "$lun" = "0" -a "$1"; then
SCSISTR=""
printf "\r\e[A\e[A\e[A"
fi
-
- : f "$remove" s $SCSISTR
- if [ "$remove" ] && [ "$SCSISTR" -o "$remappedlun0" = "1" ] ; then
- if [ $RC != 0 ] || [ ! -z "$forceremove" ] || [ -n "$remappedlun0" ] ; then
- if [ "$remappedlun0" != "1" ] ; then
- echo -en "\r\e[A\e[A\e[A${red}REM: "
- echo "$SCSISTR" | head -n1
- echo -e "${norm}\e[B\e[B"
- fi
- if [ -e "$devpath" ] ; then
- # have to preemptively do this so we can figure out the mpath device
- # Don't do this if we're deleting a well known lun to replace it
- if [ "$remappedlun0" != "1" ] ; then
- incrrmvd "$host:$channel:$id:$lun"
- fi
- echo 1 > "$devpath/delete"
- sleep 0.02
+ : f $remove s $SCSISTR
+ if test "$remove" -a "$SCSISTR"; then
+ # Device exists: Test whether it's still online
+ # (testonline returns 1 if it's gone or has changed)
+ testonline
+ RC=$?
+ if test $RC != 0 -o ! -z "$forceremove"; then
+ echo -en "\r\e[A\e[A\e[A${red}REM: "
+ echo "$SCSISTR" | head -n1
+ echo -e "${norm}\e[B\e[B"
+ if test -e /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device; then
+ echo 1 > /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/delete
+ # FIXME: Can we skip udevadm settle for removal?
+ #udevadm_settle
+ usleep 20000
else
echo "scsi remove-single-device $devnr" > /proc/scsi/scsi
- if [ $RC -eq 1 ] || [ "$lun" -eq 0 ] ; then
+ if test $RC -eq 1 -o $lun -eq 0 ; then
# Try readding, should fail if device is gone
echo "scsi add-single-device $devnr" > /proc/scsi/scsi
- fi
+ fi
fi
fi
- if [ $RC = 0 ] || [ "$forcerescan" ] ; then
- if [ -e "$devpath" ] ; then
- echo 1 > "$devpath/rescan"
+ if test $RC = 0 -o "$forcerescan" ; then
+ if test -e /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device; then
+ echo 1 > /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/rescan
+ udevadm_settle
fi
fi
- printf "\r\e[A\e[A\e[A${yellow}OLD: %s" "$norm"
+ printf "\r\e[A\e[A\e[A${yellow}OLD: $norm"
testexist
- if [ -z "$SCSISTR" ] && [ $RC != 1 ] && [ "$remappedlun0" != "1" ] ; then
- printf "\r${red}DEL: %s\r\n\n" "$norm"
- # In the event we're replacing with a well known node, we need to let it continue, to create the replacement node
- [ "$remappedlun0" != "2" ] && return 2
+ if test -z "$SCSISTR"; then
+ printf "\r${red}DEL: $norm\r\n\n"
+ let rmvd+=1;
+ return 1
fi
fi
- if [ -z "$SCSISTR" ] || [ -n "$remappedlun0" ] ; then
- if [ "$remappedlun0" != "2" ] ; then
- # Device does not exist, try to add
- printf "\r${green}NEW: %s" "$norm"
- fi
- if [ -e "/sys/class/scsi_host/host${host}/scan" ] ; then
- echo "$channel $id $lun" > "/sys/class/scsi_host/host${host}/scan" 2> /dev/null
+ if test -z "$SCSISTR"; then
+ # Device does not exist, try to add
+ printf "\r${green}NEW: $norm"
+ if test -e /sys/class/scsi_host/host${host}/scan; then
+ echo "$channel $id $lun" > /sys/class/scsi_host/host${host}/scan 2> /dev/null
+ udevadm_settle
else
echo "scsi add-single-device $devnr" > /proc/scsi/scsi
fi
testexist
- if [ -z "$SCSISTR" ] ; then
+ if test -z "$SCSISTR"; then
# Device not present
printf "\r\e[A";
- # Optimization: if lun==0, stop here (only if in non-remove mode)
- if [ "$lun" = 0 ] && [ -z "$remove" ] && [ "$optscan" = 1 ] ; then
- return 1;
- fi
- else
- if [ "$remappedlun0" != "2" ] ; then
- incrfound "$host:$channel:$id:$lun"
- fi
+ ## COMMENTED OUT as the "break" below is broken.
+ ## Optimization: if lun==0, stop here (only if in non-remove mode)
+ #if test $lun = 0 -a -z "$remove" -a $optscan = 1; then
+ # break;
+ #fi
+ else
+ let found+=1;
fi
fi
- return 0;
}
# Perform report lun scan on $host $channel $id using REPORT_LUNS
@@ -589,20 +458,20 @@ doreportlun()
devnr="$host $channel $id $lun"
echo -en " Scanning for device $devnr ...\r"
lun0added=
- #printf "${yellow}OLD: %s" "$norm"
+ #printf "${yellow}OLD: $norm"
# Phase one: If LUN0 does not exist, try to add
testexist -q
- if [ -z "$SCSISTR" ] ; then
+ if test -z "$SCSISTR"; then
# Device does not exist, try to add
- #printf "\r${green}NEW: %s" "$norm"
- if [ -e "/sys/class/scsi_host/host${host}/scan" ] ; then
- echo "$channel $id $lun" > "/sys/class/scsi_host/host${host}/scan" 2> /dev/null
+ #printf "\r${green}NEW: $norm"
+ if test -e /sys/class/scsi_host/host${host}/scan; then
+ echo "$channel $id $lun" > /sys/class/scsi_host/host${host}/scan 2> /dev/null
udevadm_settle
else
echo "scsi add-single-device $devnr" > /proc/scsi/scsi
fi
testexist -q
- if [ -n "$SCSISTR" ] ; then
+ if test -n "$SCSISTR"; then
lun0added=1
#testonline
else
@@ -611,34 +480,35 @@ doreportlun()
# Find alternative LUN to send getluns to
for dev in /sys/class/scsi_device/${host}:${channel}:${id}:*; do
[ -d "$dev" ] || continue
- lun=${dev##*:}
+ lun=${dev##*:}
break
done
fi
fi
- targetluns=$(getluns)
+ targetluns=`getluns`
REPLUNSTAT=$?
lunremove=
#echo "getluns reports " $targetluns
- olddev=$(find /sys/class/scsi_device/ -name "$host:$channel:$id:*" 2>/dev/null | sort -t: -k4 -n)
+ olddev=`find /sys/class/scsi_device/ -name $host:$channel:$id:* 2>/dev/null`
+ oldluns=`echo "$olddev" | awk -F'/' '{print $5}' | awk -F':' '{print $4}'`
oldtargets="$targetluns"
# OK -- if we don't have a LUN to send a REPORT_LUNS to, we could
# fall back to wildcard scanning. Same thing if the device does not
# support REPORT_LUNS
- # TODO: We might be better off to ALWAYS use wildcard scanning if
+ # TODO: We might be better off to ALWAYS use wildcard scanning if
# it works
- if [ "$REPLUNSTAT" = "1" ] ; then
- if [ -e "/sys/class/scsi_host/host${host}/scan" ] ; then
- echo "$channel $id -" > "/sys/class/scsi_host/host${host}/scan" 2> /dev/null
+ if test "$REPLUNSTAT" = "1"; then
+ if test -e /sys/class/scsi_host/host${host}/scan; then
+ echo "$channel $id -" > /sys/class/scsi_host/host${host}/scan 2> /dev/null
udevadm_settle
else
echo "scsi add-single-device $host $channel $id $SCAN_WILD_CARD" > /proc/scsi/scsi
fi
- targetluns=$(find /sys/class/scsi_device/ -name "$host:$channel:$id:*" -printf "%f\n" | cut -d : -f 4)
- let found+=$(echo "$targetluns" | wc -l)
- let found-=$(echo "$olddev" | wc -l)
+ targetluns=`find /sys/class/scsi_device/ -name $host:$channel:$id:* 2>/dev/null | awk -F'/' '{print $5}' | awk -F':' '{print $4}' | sort -n`
+ let found+=`echo "$targetluns" | wc -l`
+ let found-=`echo "$olddev" | wc -l`
fi
- [ -z "$targetluns" ] && targetluns="$oldtargets"
+ if test -z "$targetluns"; then targetluns="$oldtargets"; fi
# Check existing luns
for dev in $olddev; do
[ -d "$dev" ] || continue
@@ -647,687 +517,216 @@ doreportlun()
inlist=
# OK, is existing $lun (still) in reported list
for tmplun in $targetluns; do
- if [ "$tmplun" = "$lun" ] ; then
- inlist=1
- dolunscan $lun0added
- [ $? -eq 1 ] && break
+ if test $tmplun -eq $lun ; then
+ inlist=1
+ dolunscan $lun0added
else
- newsearch="$newsearch $tmplun"
+ newsearch="$newsearch $tmplun"
fi
done
- # OK, we have now done a lunscan on $lun and
+ # OK, we have now done a lunscan on $lun and
# $newsearch is the old $targetluns without $lun
if [ -z "$inlist" ]; then
# Stale lun
lunremove="$lunremove $lun"
fi
- # $lun removed from $lunsearch
- targetluns=${newsearch# }
+ # $lun removed from $lunsearch (echo for whitespace cleanup)
+ targetluns=`echo $newsearch`
done
# Add new ones and check stale ones
for lun in $targetluns $lunremove; do
dolunscan $lun0added
- [ $? -eq 1 ] && break
done
}
# Perform search (scan $host)
dosearch ()
{
- if [ -z "$channelsearch" ] ; then
+ if test -z "$channelsearch" ; then
chanlist
fi
for channel in $channelsearch; do
- if [ -z "$idsearch" ] ; then
- if [ -z "$lunsearch" ] ; then
- idlist
- else
- idsearch=$(find /sys/bus/scsi/devices -name "target${host}:${channel}:*" -printf "%f\n" | cut -f 3 -d :)
- fi
+ if test -z "$idsearch" ; then
+ idlist
fi
for id in $idsearch; do
- if [ -z "$lunsearch" ] ; then
- doreportlun
+ if test -z "$lunsearch" ; then
+ doreportlun
else
- for lun in $lunsearch; do
+ for lun in $lunsearch; do
dolunscan
- [ $? -eq 1 ] && break
done
fi
done
done
}
-
+
expandlist ()
{
list=$1
result=""
first=${list%%,*}
rest=${list#*,}
- while [ ! -z "$first" ] ; do
+ while test ! -z "$first"; do
beg=${first%%-*};
- if [ "$beg" = "$first" ] ; then
+ if test "$beg" = "$first"; then
result="$result $beg";
else
end=${first#*-}
- result="$result $(seq $beg $end)"
+ result="$result `seq $beg $end`"
fi
- [ "$rest" = "$first" ] && rest=""
+ test "$rest" = "$first" && rest=""
first=${rest%%,*}
rest=${rest#*,}
done
- echo "$result"
-}
-
-searchexisting()
-{
- local tmpch;
- local tmpid
- local match=0
- local targets=
-
- targets=$(find /sys/bus/scsi/devices -name "target${host}:*" -printf "%f\n" | cut -d : -f 2-3)
- # Nothing came back on this host, so we should skip it
- [ -z "$targets" ] && return
-
- local target=;
- for target in $targets ; do
- channel=${target%:*}
- id=${target#*:}
- if [ -n "$channelsearch" ] ; then
- for tmpch in $channelsearch ; do
- [ $tmpch -eq "$channel" ] && match=1
- done
- else
- match=1
- fi
-
- [ $match -eq 0 ] && continue
- match=0
-
- if [ "$filter_ids" -eq 1 ] ; then
- for tmpid in $idsearch ; do
- if [ "$tmpid" = "$id" ] ; then
- match=1
- fi
- done
- else
- match=1
- fi
-
- [ $match -eq 0 ] && continue
-
- if [ -z "$lunsearch" ] ; then
- doreportlun
- else
- for lun in $lunsearch ; do
- dolunscan
- [ $? -eq 1 ] && break
- done
- fi
- done
-}
-
-# Go through all of the existing devices and figure out any that have been remapped
-findremapped()
-{
- local hctl=;
- local devs=
- local sddev=
- local id_serial=
- local id_serial_old=
- local remapped=
- mpaths=""
- local tmpfile=
-
- tmpfile=$(mktemp /tmp/rescan-scsi-bus.XXXXXXXX 2> /dev/null)
- if [ -z "$tmpfile" ] ; then
- tmpfile="/tmp/rescan-scsi-bus.$$"
- rm -f $tmpfile
- fi
-
- # Get all of the ID_SERIAL attributes, after finding their sd node
- devs=$(ls /sys/class/scsi_device/)
- for hctl in $devs ; do
- if [ -d "/sys/class/scsi_device/$hctl/device/block" ] ; then
- sddev=$(ls "/sys/class/scsi_device/$hctl/device/block")
- id_serial_old=$(udevadm info -q all -n "$sddev" | grep "ID_SERIAL=" | cut -d"=" -f2)
- [ -z "$id_serial_old" ] && id_serial_old="none"
- echo "$hctl $sddev $id_serial_old" >> $tmpfile
- fi
- done
-
- # Trigger udev to update the info
- echo -n "Triggering udev to update device information... "
- /sbin/udevadm trigger
- udevadm_settle 2>&1 /dev/null
- echo "Done"
-
- # See what changed and reload the respective multipath device if applicable
- while read -r hctl sddev id_serial_old ; do
- remapped=0
- id_serial=$(udevadm info -q all -n "$sddev" | grep "ID_SERIAL=" | cut -d"=" -f2)
- [ -z "$id_serial" ] && id_serial="none"
- if [ "$id_serial_old" != "$id_serial" ] ; then
- remapped=1
- fi
- # If udev events updated the disks already, but the multipath device isn't update
- # check for old devices to make sure we found remapped luns
- if [ -n "$mp_enable" ] && [ $remapped -eq 0 ]; then
- findmultipath "$sddev" $id_serial
- if [ $? -eq 1 ] ; then
- remapped=1
- fi
- fi
-
- # if uuid is 1, it's unmapped, so we don't want to treat it as a remap
- # if remapped flag is 0, just skip the rest of the logic
- if [ "$id_serial" = "1" ] || [ $remapped -eq 0 ] ; then
- continue
- fi
- printf "${yellow}REMAPPED: %s" "$norm"
- host=$(echo "$hctl" | cut -d":" -f1)
- channel=$(echo "$hctl" | cut -d":" -f2)
- id=$(echo "$hctl" | cut -d":" -f3)
- lun=$(echo "$hctl" | cut -d":" -f4)
- procscsiscsi
- echo "$SCSISTR"
- incrchgd "$hctl"
- done < $tmpfile
- rm -f $tmpfile
-
- if [ -n "$mp_enable" ] && [ -n "$mpaths" ] ; then
- echo "Updating multipath device mappings"
- flushmpaths
- $MULTIPATH | grep "create:" 2> /dev/null
- fi
-}
-
-incrfound()
-{
- local hctl="$1"
- if [ -n "$hctl" ] ; then
- let found+=1
- FOUNDDEVS="$FOUNDDEVS\t[$hctl]\n"
- else
- return
- fi
-}
-
-incrchgd()
-{
- local hctl="$1"
- if [ -n "$hctl" ] ; then
- if ! echo "$CHGDEVS" | grep -q "\[$hctl\]"; then
- let updated+=1
- CHGDEVS="$CHGDEVS\t[$hctl]\n"
- fi
- else
- return
- fi
-
- if [ -n "$mp_enable" ] ; then
- local sdev
-
- sdev=$(findsddev "$hctl")
- if [ -n "$sdev" ] ; then
- findmultipath "$sdev"
- fi
- fi
-}
-
-incrrmvd()
-{
- local hctl="$1"
- if [ -n "$hctl" ] ; then
- let rmvd+=1;
- RMVDDEVS="$RMVDDEVS\t[$hctl]\n"
- else
- return
- fi
-
- if [ -n "$mp_enable" ] ; then
- local sdev
-
- sdev=$(findsddev "$hctl")
- if [ -n "$sdev" ] ; then
- findmultipath "$sdev"
- fi
- fi
-}
-
-findsddev()
-{
- local hctl="$1"
- local sddev=
- local blkpath
-
- blkpath="/sys/class/scsi_device/$hctl/device/block"
- if [ -e "$blkpath" ] ; then
- sddev=$(ls "$blkpath")
- echo "$sddev"
- fi
-}
-
-addmpathtolist()
-{
- local mp="$1"
- local mp2=
-
- for mp2 in $mpaths ; do
- # The multipath device is already in the list
- if [ "$mp2" = "$mp" ] ; then
- return
- fi
- done
- mpaths="$mpaths $mp"
-}
-
-findmultipath()
-{
- local dev="$1"
- local find_mismatch="$2"
- local mp=
- local mp2=
- local found_dup=0
- local maj_min=
-
- # Need a sdev, and executable multipath and dmsetup command here
- if [ -z "$dev" ] || [ ! -x "$DMSETUP" ] || [ ! -x "$MULTIPATH" ] ; then
- return 1
- fi
-
- maj_min=$(cat "/sys/block/$dev/dev")
- for mp in $($DMSETUP ls --target=multipath | cut -f 1) ; do
- [ "$mp" = "No" ] && break;
- if "$DMSETUP" status "$mp" | grep -q " $maj_min "; then
- # With two arguments, look up current uuid from sysfs
- # if it doesn't match what was passed, this multipath
- # device is not updated, so this is a remapped LUN
- if [ -n "$find_mismatch" ] ; then
- mp2=$($MULTIPATH -l "$mp" | egrep -o "dm-[0-9]+")
- mp2=$(cut -f2 -d- "/sys/block/$mp2/dm/uuid")
- if [ "$find_mismatch" != "$mp2" ] ; then
- addmpathtolist "$mp"
- found_dup=1
- fi
- continue
- fi
- # Normal mode: Find the first multipath with the sdev
- # and add it to the list
- addmpathtolist "$mp"
- return
- fi
- done
-
- # Return 1 to signal that a duplicate was found to the calling function
- if [ $found_dup -eq 1 ] ; then
- return 1
- else
- return 0
- fi
+ echo $result
}
-reloadmpaths()
-{
- local mpath
- if [ ! -x "$MULTIPATH" ] ; then
- echo "no -x multipath"
- return
- fi
-
- # Pass 1 as the argument to reload all mpaths
- if [ "$1" = "1" ] ; then
- echo "Reloading all multipath devices"
- $MULTIPATH -r > /dev/null 2>&1
- return
- fi
-
- # Reload the multipath devices
- for mpath in $mpaths ; do
- echo -n "Reloading multipath device $mpath... "
- if $MULTIPATH -r "$mpath" > /dev/null 2>&1 ; then
- echo "Done"
- else
- echo "Fail"
- fi
- done
-}
-
-resizempaths()
-{
- local mpath
-
- for mpath in $mpaths ; do
- echo -n "Resizing multipath map $mpath ..."
- multipathd -k"resize map $mpath"
- let updated+=1
- done
-}
-
-flushmpaths()
-{
- local mpath
- local remove=""
- local i
- local flush_retries=5
-
- if [ -n "$1" ] ; then
- for mpath in $($DMSETUP ls --target=multipath | cut -f 1) ; do
- [ "$mpath" = "No" ] && break
- num=$($DMSETUP status "$mpath" | awk 'BEGIN{RS=" ";active=0}/[0-9]+:[0-9]+/{dev=1}/A/{if (dev == 1) active++; dev=0} END{ print active }')
- if [ "$num" -eq 0 ] ; then
- remove="$remove $mpath"
- fi
- done
- else
- remove="$mpaths"
- fi
-
- for mpath in $remove ; do
- i=0
- echo -n "Flushing multipath device $mpath... "
- while [ $i -lt $flush_retries ] ; do
- $DMSETUP message "$mpath" 0 fail_if_no_path > /dev/null 2>&1
- if $MULTIPATH -f "$mpath" > /dev/null 2>&1 ; then
- echo "Done ($i retries)"
- break
- elif [ $i -eq $flush_retries ] ; then
- echo "Fail"
- fi
- sleep 0.02
- let i=$i+1
- done
- done
-}
-
-
-# Find resized luns
-findresized()
-{
- local devs=
- local size=
- local new_size=
- local sysfs_path=
- local sddev=
- local i=
- local m=
- local mpathsize=
- declare -a mpathsizes
-
- if [ -z "$lunsearch" ] ; then
- devs=$(ls /sys/class/scsi_device/)
- else
- for lun in $lunsearch ; do
- devs="$devs $(cd /sys/class/scsi_device/ && ls -d *:${lun})"
- done
- fi
-
- for hctl in $devs ; do
- sysfs_path="/sys/class/scsi_device/$hctl/device"
- if [ -d "$sysfs_path/block" ] ; then
- sddev=$(ls "$sysfs_path/block")
- size=$(cat "$sysfs_path/block/$sddev/size")
-
- echo 1 > "$sysfs_path/rescan"
- new_size=$(cat "$sysfs_path/block/$sddev/size")
-
- if [ "$size" != "$new_size" ] && [ "$size" != "0" ] && [ "$new_size" != "0" ] ; then
- printf "${yellow}RESIZED: %s" "$norm"
- host=$(echo "$hctl" | cut -d":" -f1)
- channel=$(echo "$hctl" | cut -d":" -f2)
- id=$(echo "$hctl" | cut -d":" -f3)
- lun=$(echo "$hctl" | cut -d":" -f4)
-
- procscsiscsi
- echo "$SCSISTR"
- incrchgd "$hctl"
- fi
- fi
- done
-
- if [ -n "$mp_enable" ] && [ -n "$mpaths" ] ; then
- i=0
- for m in $mpaths ; do
- mpathsizes[$i]="$($MULTIPATH -l "$m" | egrep -o [0-9]+.[0-9]+[KMGT])"
- let i=$i+1
- done
- resizempaths
- i=0
- for m in $mpaths ; do
- mpathsize="$($MULTIPATH -l "$m" | egrep -o [0-9\.]+[KMGT])"
- echo "$m ${mpathsizes[$i]} => $mpathsize"
- let i=$i+1
- done
- fi
-}
-
-FOUNDDEVS=""
-CHGDEVS=""
-RMVDDEVS=""
-
# main
-if [ "@$1" = @--help ] || [ "@$1" = @-h ] || [ "@$1" = "@-?" ] ; then
+if test @$1 = @--help -o @$1 = @-h -o @$1 = @-?; then
echo "Usage: rescan-scsi-bus.sh [options] [host [host ...]]"
echo "Options:"
- echo " -a scan all targets, not just currently existing [default: disabled]"
- echo " -c enables scanning of channels 0 1 [default: 0 / all detected ones]"
- echo " -d enable debug [default: 0]"
- echo " -f flush failed multipath devices [default: disabled]"
- echo " -h help: print this usage message then exit"
- echo " -i issue a FibreChannel LIP reset [default: disabled]"
- echo " -I SECS issue a FibreChannel LIP reset and wait for SECS seconds [default: disabled]"
echo " -l activates scanning for LUNs 0--7 [default: 0]"
echo " -L NUM activates scanning for LUNs 0--NUM [default: 0]"
- echo " -m update multipath devices [default: disabled]"
- echo " -r enables removing of devices [default: disabled]"
- echo " -s look for resized disks and reload associated multipath devices, if applicable"
- echo " -u look for existing disks that have been remapped"
- echo " -V print version date then exit"
echo " -w scan for target device IDs 0--15 [default: 0--7]"
- echo "--alltargets: same as -a"
- echo "--attachpq3: Tell kernel to attach sg to LUN 0 that reports PQ=3"
- echo "--channels=LIST: Scan only channel(s) in LIST"
+ echo " -c enables scanning of channels 0 1 [default: 0 / all detected ones]"
+ echo " -r enables removing of devices [default: disabled]"
+ echo " -i issue a FibreChannel LIP reset [default: disabled]"
+ echo "--remove: same as -r"
+ echo "--issue-lip: same as -i"
+ echo "--forcerescan: Rescan existing devices"
+ echo "--forceremove: Remove and readd every device (DANGEROUS)"
+ echo "--nooptscan: don't stop looking for LUNs is 0 is not found"
echo "--color: use coloured prefixes OLD/NEW/DEL"
- echo "--flush: same as -f"
- echo "--forceremove: Remove stale devices (DANGEROUS)"
- echo "--forcerescan: Remove and readd existing devices (DANGEROUS)"
- echo "--help: print this usage message then exit"
echo "--hosts=LIST: Scan only host(s) in LIST"
+ echo "--channels=LIST: Scan only channel(s) in LIST"
echo "--ids=LIST: Scan only target ID(s) in LIST"
- echo "--ignore-rev: Ignore the revision change"
- echo "--issue-lip: same as -i"
- echo "--issue-lip-wait=SECS: same as -I"
- echo "--largelun: Tell kernel to support LUNs > 7 even on SCSI2 devs"
- echo "--luns=LIST: Scan only lun(s) in LIST"
- echo "--multipath: same as -m"
- echo "--nooptscan: don't stop looking for LUNs if 0 is not found"
- echo "--remove: same as -r"
+ echo "--luns=LIST: Scan only lun(s) in LIST"
+ echo "--sync/nosync: Issue a sync / no sync [default: sync if remove]"
+ echo "--attachpq3: Tell kernel to attach sg to LUN 0 that reports PQ=3"
echo "--reportlun2: Tell kernel to try REPORT_LUN even on SCSI2 devices"
- echo "--resize: same as -s"
+ echo "--largelun: Tell kernel to support LUNs > 7 even on SCSI2 devs"
echo "--sparselun: Tell kernel to support sparse LUN numbering"
- echo "--sync/nosync: Issue a sync / no sync [default: sync if remove]"
- echo "--update: same as -u"
- echo "--version: same as -V"
- echo "--wide: same as -w"
- echo ""
- echo "Host numbers may thus be specified either directly on cmd line (deprecated)"
- echo "or with the --hosts=LIST parameter (recommended)."
+ echo " Host numbers may thus be specified either directly on cmd line (deprecated) or"
+ echo " or with the --hosts=LIST parameter (recommended)."
echo "LIST: A[-B][,C[-D]]... is a comma separated list of single values and ranges"
- echo "(No spaces allowed.)"
- exit 0
-fi
-
-if [ "@$1" = @--version ] || [ "@$1" = @-V ] ; then
- echo ${VERSION}
+ echo " (No spaces allowed.)"
exit 0
fi
-if [ ! -d /sys/class/scsi_host/ ] && [ ! -d /proc/scsi/ ] ; then
+if test ! -d /sys/class/scsi_host/ -a ! -d /proc/scsi/; then
echo "Error: SCSI subsystem not active"
exit 1
-fi
+fi
# Make sure sg is there
modprobe sg >/dev/null 2>&1
-if [ -x /usr/bin/sg_inq ] ; then
- sg_version=$(sg_inq -V 2>&1 | cut -d " " -f 3)
- if [ -n "$sg_version" ] ; then
- sg_ver_maj=${sg_version:0:1}
- sg_version=${sg_version##?.}
- let sg_version+=$((100 * sg_ver_maj))
- fi
- sg_version=${sg_version##0.}
- #echo "\"$sg_version\""
- if [ -z "$sg_version" ] || [ "$sg_version" -lt 70 ] ; then
- sg_len_arg="-36"
- else
- sg_len_arg="--len=36"
- fi
-else
- echo "WARN: /usr/bin/sg_inq not present -- please install sg3_utils"
- echo " or rescan-scsi-bus.sh might not fully work."
-fi
+if test -x /usr/bin/sg_inq; then
+ sg_version=$(sg_inq -V 2>&1 | cut -d " " -f 3)
+ sg_version=${sg_version##0.}
+ #echo "\"$sg_version\""
+ #if [ -z "$sg_version" -o "$sg_version" -lt 70 ] ; then
+ #sg_len_arg="-36"
+ #else
+ sg_len_arg="--len=36"
+ #fi
+#else
+# # Slackware note: it may not "fully work", but it works well enough for
+# # what we need here in the installer. If that turns out not to be the
+# # case, let volkerdi know on the Slackware Linux Questions forum.
+# echo "WARN: /usr/bin/sg_inq not present -- please install sg3_utils"
+# echo " or rescan-scsi-bus.sh might not fully work."
+fi
# defaults
unsetcolor
-debug=0
lunsearch=
-opt_idsearch=$(seq 0 7)
-filter_ids=0
+opt_idsearch=`seq 0 7`
opt_channelsearch=
remove=
-updated=0
-update=0
-resize=0
forceremove=
optscan=1
sync=1
-existing_targets=1
-mp_enable=
-lipreset=-1
declare -i scan_flags=0
-ignore_rev=0
+if test -d /sys/class/scsi_host; then
+ findhosts_26
+else
+ findhosts
+fi
# Scan options
opt="$1"
-while [ ! -z "$opt" ] && [ -z "${opt##-*}" ] ; do
+while test ! -z "$opt" -a -z "${opt##-*}"; do
opt=${opt#-}
case "$opt" in
- a) existing_targets=;; #Scan ALL targets when specified
+ l) lunsearch=`seq 0 7` ;;
+ L) lunsearch=`seq 0 $2`; shift ;;
+ w) opt_idsearch=`seq 0 15` ;;
c) opt_channelsearch="0 1" ;;
- d) debug=1 ;;
- f) flush=1 ;;
- i) lipreset=0 ;;
- I) shift; lipreset=$opt ;;
- l) lunsearch=$(seq 0 7) ;;
- L) lunsearch=$(seq 0 "$2"); shift ;;
- m) mp_enable=1 ;;
r) remove=1 ;;
- s) resize=1; mp_enable=1 ;;
- u) update=1 ;;
- w) opt_idsearch=$(seq 0 15) ;;
- -alltargets) existing_targets=;;
- -attachpq3) scan_flags=$((scan_flags|0x1000000)) ;;
- -channels=*) arg=${opt#-channels=};opt_channelsearch=$(expandlist "$arg") ;;
- -color) setcolor ;;
- -flush) flush=1 ;;
- -forceremove) remove=1; forceremove=1 ;;
+ i) lipreset=1 ;;
+ -remove) remove=1 ;;
-forcerescan) remove=1; forcerescan=1 ;;
- -hosts=*) arg=${opt#-hosts=}; hosts=$(expandlist "$arg") ;;
- -ids=*) arg=${opt#-ids=}; opt_idsearch=$(expandlist "$arg") ; filter_ids=1;;
- -ignore-rev) ignore_rev=1;;
- -issue-lip) lipreset=0 ;;
- -issue-lip-wait) lipreset=${opt#-issue-lip-wait=};;
- -largelun) scan_flags=$((scan_flags|0x200)) ;;
- -luns=*) arg=${opt#-luns=}; lunsearch=$(expandlist "$arg") ;;
- -multipath) mp_enable=1 ;;
+ -forceremove) remove=1; forceremove=1 ;;
+ -hosts=*) arg=${opt#-hosts=}; hosts=`expandlist $arg` ;;
+ -channels=*) arg=${opt#-channels=};opt_channelsearch=`expandlist $arg` ;;
+ -ids=*) arg=${opt#-ids=}; opt_idsearch=`expandlist $arg` ;;
+ -luns=*) arg=${opt#-luns=}; lunsearch=`expandlist $arg` ;;
+ -color) setcolor ;;
-nooptscan) optscan=0 ;;
+ -issue-lip) lipreset=1 ;;
+ -sync) sync=2 ;;
-nosync) sync=0 ;;
- -remove) remove=1 ;;
- -reportlun2) scan_flags=$((scan_flags|0x20000)) ;;
- -resize) resize=1;;
+ -attachpq3) scan_flags=$(($scan_flags|0x1000000)) ;;
+ -reportlun2) scan_flags=$(($scan_flags|0x20000)) ;;
+ -largelun) scan_flags=$(($scan_flags|0x200)) ;;
-sparselun) scan_flags=$((scan_flags|0x40)) ;;
- -sync) sync=2 ;;
- -update) update=1;;
- -wide) opt_idsearch=$(seq 0 15) ;;
*) echo "Unknown option -$opt !" ;;
esac
shift
opt="$1"
-done
+done
-if [ -z "$hosts" ] ; then
- if [ -d /sys/class/scsi_host ] ; then
- findhosts_26
- else
- findhosts
- fi
+# Hosts given ?
+if test "@$1" != "@"; then
+ hosts=$*
fi
-if [ -d /sys/class/scsi_host ] && [ ! -w /sys/class/scsi_host ]; then
+if [ -d /sys/class/scsi_host -a ! -w /sys/class/scsi_host ]; then
echo "You need to run scsi-rescan-bus.sh as root"
exit 2
-fi
-[ "$sync" = 1 ] && [ "$remove" = 1 ] && sync=2
-if [ "$sync" = 2 ] ; then
- echo "Syncing file systems"
- sync
-fi
-if [ -w /sys/module/scsi_mod/parameters/default_dev_flags ] && [ $scan_flags != 0 ] ; then
- OLD_SCANFLAGS=$(cat /sys/module/scsi_mod/parameters/default_dev_flags)
- NEW_SCANFLAGS=$((OLD_SCANFLAGS|scan_flags))
- if [ "$OLD_SCANFLAGS" != "$NEW_SCANFLAGS" ] ; then
+fi
+if test "$sync" = 1 -a "$remove" = 1; then sync=2; fi
+if test "$sync" = 2; then echo "Syncing file systems"; sync; fi
+if test -w /sys/module/scsi_mod/parameters/default_dev_flags -a $scan_flags != 0; then
+ OLD_SCANFLAGS=`cat /sys/module/scsi_mod/parameters/default_dev_flags`
+ NEW_SCANFLAGS=$(($OLD_SCANFLAGS|$scan_flags))
+ if test "$OLD_SCANFLAGS" != "$NEW_SCANFLAGS"; then
echo -n "Temporarily setting kernel scanning flags from "
- printf "0x%08x to 0x%08x\n" "$OLD_SCANFLAGS" "$NEW_SCANFLAGS"
+ printf "0x%08x to 0x%08x\n" $OLD_SCANFLAGS $NEW_SCANFLAGS
echo $NEW_SCANFLAGS > /sys/module/scsi_mod/parameters/default_dev_flags
else
unset OLD_SCANFLAGS
fi
-fi
-DMSETUP=$(which dmsetup)
-[ -z "$DMSETUP" ] && flush= && mp_enable=
-MULTIPATH=$(which multipath 2> /dev/null)
-[ -z "$MULTIPATH" ] && flush= && mp_enable=
-
-echo -n "Scanning SCSI subsystem for new devices"
-[ -z "$flush" ] || echo -n ", flush failed multipath devices,"
-[ -z "$remove" ] || echo -n " and remove devices that have disappeared"
-echo
+fi
+echo "Scanning SCSI subsystem for new devices"
+test -z "$remove" || echo " and remove devices that have disappeared"
declare -i found=0
-declare -i updated=0
declare -i rmvd=0
-
-if [ -n "$flush" ] ; then
- if [ -x "$MULTIPATH" ] ; then
- flushmpaths 1
- fi
-fi
-
-# Update existing mappings
-if [ $update -eq 1 ] ; then
- echo "Searching for remapped LUNs"
- findremapped
- # If you've changed the mapping, there's a chance it's a different size
- mpaths=""
- findresized
-# Search for resized LUNs
-elif [ $resize -eq 1 ] ; then
- echo "Searching for resized LUNs"
- findresized
-# Normal rescan mode
-else
- for host in $hosts; do
+for host in $hosts; do
echo -n "Scanning host $host "
- if [ -e "/sys/class/fc_host/host$host" ] ; then
+ if test -e /sys/class/fc_host/host$host ; then
# It's pointless to do a target scan on FC
- issue_lip=/sys/class/fc_host/host$host/issue_lip
- if [ -e "$issue_lip" ] && [ "$lipreset" -ge 0 ] ; then
- echo 1 > "$issue_lip" 2> /dev/null;
+ if test -n "$lipreset" ; then
+ echo 1 > /sys/class/fc_host/host$host/issue_lip 2> /dev/null;
udevadm_settle
- [ "$lipreset" -gt 0 ] && sleep "$lipreset"
fi
+ # We used to always trigger a rescan for FC to update channels and targets
+ # Commented out -- as discussed with Hannes we should rely
+ # on the main loop doing the scan, no need to do it here.
+ #echo "- - -" > /sys/class/scsi_host/host$host/scan 2> /dev/null;
+ #udevadm_settle
channelsearch=
idsearch=
else
@@ -1337,57 +736,22 @@ else
[ -n "$channelsearch" ] && echo -n "channels $channelsearch "
echo -n "for "
if [ -n "$idsearch" ] ; then
- echo -n " SCSI target IDs $idsearch" | tr '\n' ' '
+ echo -n " SCSI target IDs " $idsearch
else
echo -n " all SCSI target IDs"
fi
if [ -n "$lunsearch" ] ; then
- echo ", LUNs $lunsearch"
+ echo ", LUNs " $lunsearch
else
echo ", all LUNs"
fi
-
- if [ -n "$existing_targets" ] ; then
- searchexisting
- else
- dosearch
- fi
- done
- if [ -n "$OLD_SCANFLAGS" ] ; then
- echo "$OLD_SCANFLAGS" > /sys/module/scsi_mod/parameters/default_dev_flags
- fi
-fi
-
-let rmvd_found=$rmvd+$found
-if [ -n "$mp_enable" ] && [ $rmvd_found -gt 0 ] ; then
- echo "Attempting to update multipath devices..."
- if [ $rmvd -gt 0 ] ; then
- udevadm_settle
- echo "Removing multipath mappings for removed devices if all paths are now failed... "
- flushmpaths 1
- fi
- if [ $found -gt 0 ] ; then
- /sbin/udevadm trigger --sysname-match=sd*
- udevadm_settle
- if [ -x "$MULTIPATH" ] ; then
- echo "Trying to discover new multipath mappings for newly discovered devices... "
- $MULTIPATH | grep "create:" 2> /dev/null
- fi
- fi
-fi
-
-echo "$found new or changed device(s) found. "
-if [ ! -z "$FOUNDDEVS" ] ; then
- printf "%s" "$FOUNDDEVS"
-fi
-echo "$updated remapped or resized device(s) found."
-if [ ! -z "$CHGDEVS" ] ; then
- printf "%s" "$CHGDEVS"
+ dosearch
+done
+if test -n "$OLD_SCANFLAGS"; then
+ echo $OLD_SCANFLAGS > /sys/module/scsi_mod/parameters/default_dev_flags
fi
+echo "$found new device(s) found. "
echo "$rmvd device(s) removed. "
-if [ ! -z "$RMVDDEVS" ] ; then
- printf "%s" "$RMVDDEVS"
-fi
# Local Variables:
# sh-basic-offset: 2
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-01 21:36:54 +0000