diff options
Diffstat (limited to 'source/a/sysvinit-scripts/scripts')
| -rw-r--r-- | source/a/sysvinit-scripts/scripts/inittab | 19 | ||||
| -rw-r--r-- | source/a/sysvinit-scripts/scripts/rc.6 | 22 | ||||
| -rw-r--r-- | source/a/sysvinit-scripts/scripts/rc.K | 16 | ||||
| -rw-r--r-- | source/a/sysvinit-scripts/scripts/rc.M | 25 | ||||
| -rw-r--r-- | source/a/sysvinit-scripts/scripts/rc.S | 23 | ||||
| -rw-r--r-- | source/a/sysvinit-scripts/scripts/rc.loop | 11 | ||||
| -rw-r--r-- | source/a/sysvinit-scripts/scripts/rescan-scsi-bus.sh | 449 |
7 files changed, 390 insertions, 175 deletions
diff --git a/source/a/sysvinit-scripts/scripts/inittab b/source/a/sysvinit-scripts/scripts/inittab index 862f704c..9f8b422d 100644 --- a/source/a/sysvinit-scripts/scripts/inittab +++ b/source/a/sysvinit-scripts/scripts/inittab @@ -6,6 +6,7 @@ # 2.10 02/10/95 PV # 3.00 02/06/1999 PV # 4.00 04/10/2002 PV +# 13.37 2011-03-25 PJV # # Author: Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org> # Modified by: Patrick J. Volkerding, <volkerdi@slackware.com> @@ -48,11 +49,11 @@ pf::powerfail:/sbin/genpowerfail start pg::powerokwait:/sbin/genpowerfail stop # These are the standard console login getties in multiuser mode: -c1:1235:respawn:/sbin/agetty 38400 tty1 linux -c2:1235:respawn:/sbin/agetty 38400 tty2 linux -c3:1235:respawn:/sbin/agetty 38400 tty3 linux -c4:1235:respawn:/sbin/agetty 38400 tty4 linux -c5:1235:respawn:/sbin/agetty 38400 tty5 linux +c1:12345:respawn:/sbin/agetty 38400 tty1 linux +c2:12345:respawn:/sbin/agetty 38400 tty2 linux +c3:12345:respawn:/sbin/agetty 38400 tty3 linux +c4:12345:respawn:/sbin/agetty 38400 tty4 linux +c5:12345:respawn:/sbin/agetty 38400 tty5 linux c6:12345:respawn:/sbin/agetty 38400 tty6 linux # Local serial lines: @@ -63,12 +64,8 @@ c6:12345:respawn:/sbin/agetty 38400 tty6 linux #d1:12345:respawn:/sbin/agetty -mt60 38400,19200,9600,2400,1200 ttyS0 vt100 #d2:12345:respawn:/sbin/agetty -mt60 38400,19200,9600,2400,1200 ttyS1 vt100 -# Runlevel 4 used to be for an X window only system, until we discovered -# that it throws init into a loop that keeps your load avg at least 1 all -# the time. Thus, there is now one getty opened on tty6. Hopefully no one -# will notice. ;^) -# It might not be bad to have one text console anyway, in case something -# happens to X. +# Runlevel 4 also starts /etc/rc.d/rc.4 to run a display manager for X. +# Display managers are preferred in this order: gdm, kdm, xdm x1:4:respawn:/etc/rc.d/rc.4 # End of /etc/inittab diff --git a/source/a/sysvinit-scripts/scripts/rc.6 b/source/a/sysvinit-scripts/scripts/rc.6 index e4916016..ca1b4c8e 100644 --- a/source/a/sysvinit-scripts/scripts/rc.6 +++ b/source/a/sysvinit-scripts/scripts/rc.6 @@ -98,9 +98,23 @@ if [ -x /etc/rc.d/rc.messagebus ]; then sh /etc/rc.d/rc.messagebus stop fi +# Kill any processes (typically gam) that would otherwise prevent +# unmounting NFS volumes: +unset FUSER_DELAY +for dir in $(/bin/mount | grep 'type nfs' | cut -d ' ' -f 3 ) ; do + echo "Killing processes holding NFS mount $dir open..." + # Background this to prevent fuser from also blocking shutdown: + /usr/bin/fuser -k -m $dir & + FUSER_DELAY=5 +done +# If fuser was run, let it have some delay: +if [ ! -z "$FUSER_DELAY" ]; then + sleep $FUSER_DELAY +fi + # Unmount any NFS, SMB, or CIFS filesystems: echo "Unmounting remote filesystems." -/bin/umount -v -a -r -t nfs,smbfs,cifs +/bin/umount -v -a -l -f -r -t nfs,smbfs,cifs # Try to shut down pppd: PS="$(ps ax)" @@ -186,12 +200,6 @@ echo "Turning off swap." /sbin/swapoff -a /bin/sync -# Umount any LVM volumes: -if /bin/mount | /bin/grep -q '^/dev/mapper/' ; then - echo "Unmounting LVM volumes." - /bin/umount -v $(/bin/mount | /bin/grep '^/dev/mapper/' | /bin/cut -d ' ' -f 3 | /bin/tac) -fi - echo "Unmounting local file systems." /bin/umount -v -a -t no,proc,sysfs diff --git a/source/a/sysvinit-scripts/scripts/rc.K b/source/a/sysvinit-scripts/scripts/rc.K index 68609753..8fc63fdf 100644 --- a/source/a/sysvinit-scripts/scripts/rc.K +++ b/source/a/sysvinit-scripts/scripts/rc.K @@ -57,9 +57,23 @@ if [ -x /etc/rc.d/rc.nfsd ]; then /etc/rc.d/rc.nfsd stop fi +# Kill any processes (typically gam) that would otherwise prevent +# unmounting NFS volumes: +unset FUSER_DELAY +for dir in $(/bin/mount | grep 'type nfs' | cut -d ' ' -f 3 ) ; do + echo "Killing processes holding NFS mount $dir open..." + # Background this to prevent fuser from also blocking shutdown: + /usr/bin/fuser -k -m $dir & + FUSER_DELAY=5 +done +# If fuser was run, let it have some delay: +if [ ! -z "$FUSER_DELAY" ]; then + sleep $FUSER_DELAY +fi + # Unmount any NFS, SMB, or CIFS filesystems: echo "Unmounting remote filesystems." -umount -a -r -t nfs,smbfs,cifs +/bin/umount -v -a -l -f -r -t nfs,smbfs,cifs # Shut down PCMCIA devices: if [ -x /etc/rc.d/rc.pcmcia ] ; then diff --git a/source/a/sysvinit-scripts/scripts/rc.M b/source/a/sysvinit-scripts/scripts/rc.M index ccdcb6f3..8772409e 100644 --- a/source/a/sysvinit-scripts/scripts/rc.M +++ b/source/a/sysvinit-scripts/scripts/rc.M @@ -33,6 +33,17 @@ else /bin/hostname darkstar fi +# Set the permissions on /var/log/dmesg according to whether the kernel +# permits non-root users to access kernel dmesg information: +if [ -r /proc/sys/kernel/dmesg_restrict ]; then + if [ $(cat /proc/sys/kernel/dmesg_restrict) = 1 ]; then + touch /var/log/dmesg + chmod 640 /var/log/dmesg + fi +else + touch /var/log/dmesg + chmod 644 /var/log/dmesg +fi # Save the contents of 'dmesg': /bin/dmesg -s 65536 > /var/log/dmesg @@ -100,6 +111,11 @@ fi # Mount any additional filesystem types that haven't already been mounted: mount -a -v 2> /dev/null | grep -v "already mounted" +# Start the Control Script for automounter: +if [ -x /etc/rc.d/rc.autofs ]; then + sh /etc/rc.d/rc.autofs start +fi + # Start the Network Time Protocol daemon: if [ -x /etc/rc.d/rc.ntpd ]; then sh /etc/rc.d/rc.ntpd start @@ -156,6 +172,11 @@ if [ -x /etc/rc.d/rc.messagebus ]; then sh /etc/rc.d/rc.messagebus start fi +# Start console-kit-daemon: +if [ -x /etc/rc.d/rc.consolekit ]; then + sh /etc/rc.d/rc.consolekit start +fi + # Start HAL: if [ -x /etc/rc.d/rc.hald ]; then sh /etc/rc.d/rc.hald start @@ -249,9 +270,9 @@ fi # Start crond (Dillon's crond): # If you want cron to actually log activity to /var/log/cron, then change -# -l10 to -l8 to increase the logging level. +# -l notice to -l info to increase the logging level. if [ -x /usr/sbin/crond ]; then - /usr/sbin/crond -l10 >>/var/log/cron 2>&1 + /usr/sbin/crond -l notice fi # Start atd (manages jobs scheduled with 'at'): diff --git a/source/a/sysvinit-scripts/scripts/rc.S b/source/a/sysvinit-scripts/scripts/rc.S index 7c5c43ed..c02f1e27 100644 --- a/source/a/sysvinit-scripts/scripts/rc.S +++ b/source/a/sysvinit-scripts/scripts/rc.S @@ -19,6 +19,11 @@ if [ -d /sys ]; then fi fi +# Load the loop device kernel module: +if [ -x /etc/rc.d/rc.loop ]; then + . /etc/rc.d/rc.loop start +fi + # Initialize udev to manage /dev entries and hotplugging for 2.6.x kernels. # You may turn off udev by making the /etc/rc.d/rc.udev file non-executable # or giving the "nohotplug" option at boot, but in the 2.6.x+ kernels udev @@ -37,6 +42,16 @@ if grep -wq sysfs /proc/mounts && grep -q tmpfs /proc/filesystems ; then fi fi +# Mount Control Groups filesystem interface: +if grep -wq cgroup /proc/filesystems ; then + if [ -d /sys/fs/cgroup ]; then + mount -t cgroup cgroup /sys/fs/cgroup + else + mkdir -p /dev/cgroup + mount -t cgroup cgroup /dev/cgroup + fi +fi + # Initialize the Logical Volume Manager. # This won't start unless we find /etc/lvmtab (LVM1) or # /etc/lvm/backup/ (LVM2). This is created by /sbin/vgscan, so to @@ -77,7 +92,7 @@ if [ -f /etc/crypttab -a -x /sbin/cryptsetup ]; then if echo $OPTS | grep -wq ro ; then LUKSOPTS="${LUKSOPTS} --readonly" ; fi # Skip LUKS volumes that were already unlocked (in the initrd): - /sbin/cryptsetup status $LUKS 1>/dev/null 2>/dev/null && continue + /sbin/cryptsetup status $LUKS 2>/dev/null | head -n 1 | grep -q "is active" && continue if /sbin/cryptsetup isLuks $DEV 2>/dev/null ; then echo "Unlocking LUKS crypt volume '${LUKS}' on device '$DEV':" if [ -n "${PASS}" ]; then @@ -293,12 +308,10 @@ if [ ! -r /etc/fastboot ]; then /sbin/fsck $FORCEFSCK -C -R -A -a fi -# Mount usbfs: +# Mount usbfs only if it is found in /etc/fstab: if grep -wq usbfs /proc/filesystems; then if ! grep -wq usbfs /proc/mounts ; then - if ! grep -wq usbfs /etc/fstab; then - /sbin/mount -v usbfs /proc/bus/usb -t usbfs - else + if grep -wq usbfs /etc/fstab; then /sbin/mount -v /proc/bus/usb fi fi diff --git a/source/a/sysvinit-scripts/scripts/rc.loop b/source/a/sysvinit-scripts/scripts/rc.loop new file mode 100644 index 00000000..942fc544 --- /dev/null +++ b/source/a/sysvinit-scripts/scripts/rc.loop @@ -0,0 +1,11 @@ +#!/bin/sh +# +# Load the loop device kernel module. +# + +if modinfo loop 1> /dev/null 2> /dev/null ; then + if ! lsmod | grep -wq "^loop" ; then + modprobe loop + fi +fi + diff --git a/source/a/sysvinit-scripts/scripts/rescan-scsi-bus.sh b/source/a/sysvinit-scripts/scripts/rescan-scsi-bus.sh index 4378e208..5ef34d4d 100644 --- a/source/a/sysvinit-scripts/scripts/rescan-scsi-bus.sh +++ b/source/a/sysvinit-scripts/scripts/rescan-scsi-bus.sh @@ -3,7 +3,7 @@ # scsi add-single-device mechanism # (c) 1998--2008 Kurt Garloff <kurt@garloff.de>, GNU GPL v2 or later # (c) 2006--2008 Hannes Reinecke, GNU GPL v2 or later -# $Id: rescan-scsi-bus.sh,v 1.29 2008/10/29 10:03:04 garloff Exp $ +# $Id: rescan-scsi-bus.sh,v 1.48 2010/08/10 19:32:22 garloff Exp $ setcolor () { @@ -20,26 +20,50 @@ unsetcolor () yellow=""; norm="" } +# Output some text and return cursor to previous position +# (only works for simple strings) +# Stores length of string in LN and returns it +print_and_scroll_back () +{ + STRG="$1" + LN=${#STRG} + BK="" + declare -i cntr=0 + while test $cntr -lt $LN; do BK="$BK\e[D"; let cntr+=1; done + echo -en "$STRG$BK" + return $LN +} + +# 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 test $cntr -lt $LN; do BK="$BK\e[D"; WH="$WH "; let cntr+=1; done + echo -en "$WH$BK" +} + # Return hosts. sysfs must be mounted findhosts_26 () { hosts= - if ! ls /sys/class/scsi_host/host* >/dev/null 2>&1; then - echo "No SCSI host adapters found in sysfs" - exit 1; - fi for hostdir in /sys/class/scsi_host/host*; do hostno=${hostdir#/sys/class/scsi_host/host} if [ -f $hostdir/isp_name ] ; then - hostname="qla2xxx" + hostname="qla2xxx" elif [ -f $hostdir/lpfc_drvr_version ] ; then - hostname="lpfc" + hostname="lpfc" else - hostname=`cat $hostdir/proc_name` + hostname=`cat $hostdir/proc_name` fi hosts="$hosts $hostno" echo "Host adapter $hostno ($hostname) found." - done + done + if [ -z "$hosts" ] ; then + echo "No SCSI host adapters found in sysfs" + exit 1; + fi hosts=`echo $hosts | sed 's/ /\n/g' | sort -n` } @@ -65,59 +89,74 @@ findhosts () done } +printtype () +{ + local type=$1 + + case "$type" in + 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 " ;; + 14) echo "Direct-Access-RBC" ;; + *) echo "Unknown " ;; + esac +} + +print02i() +{ + if [ "$1" = "*" ] ; then + echo "00" + else + printf "%02i" "$1" + fi +} + # Get /proc/scsi/scsi info for device $host:$channel:$id:$lun # Optional parameter: Number of lines after first (default = 2), # result in SCSISTR, return code 1 means empty. procscsiscsi () { if test -z "$1"; then LN=2; else LN=$1; fi - CHANNEL=`printf "%02i" $channel` - ID=`printf "%02i" $id` - LUN=`printf "%02i" $lun` + CHANNEL=`print02i "$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 + 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 $SCSIDEV" - fi - if [ "$LN" -gt 1 ] ; then - ILVL=$(cat ${SCSIPATH}/device/scsi_level) - type=$(cat ${SCSIPATH}/device/type) - case "$type" in - 0) ITYPE="Direct-Access " ;; - 1) ITYPE="Sequential-Access" ;; - 2) ITYPE="Printer " ;; - 3) ITYPE="Processor " ;; - 4) ITYPE="WORM " ;; - 5) ITYPE="CD-ROM " ;; - 6) ITYPE="Scanner " ;; - 7) ITYPE="Optical Device " ;; - 8) ITYPE="Medium Changer " ;; - 9) ITYPE="Communications " ;; - 10) ITYPE="Unknown " ;; - 11) ITYPE="Unknown " ;; - 12) ITYPE="RAID " ;; - 13) ITYPE="Enclosure " ;; - 14) ITYPE="Direct-Access-RBC" ;; - *) ITYPE="Unknown " ;; - esac - SCSITMP=$(printf ' Type: %-16s ANSI SCSI revision: %02d' "$ITYPE" "$((ILVL - 1))") - SCSISTR="$SCSISTR + fi + if [ "$LN" -gt 1 ] ; then + ILVL=$(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 $SCSITMP" - fi - - else - return 1 fi + else + return 1 + fi else - grepstr="scsi$host Channel: $CHANNEL Id: $ID Lun: $LUN" - SCSISTR=`cat /proc/scsi/scsi | grep -A$LN -e"$grepstr"` + grepstr="scsi$host Channel: $CHANNEL Id: $ID Lun: $LUN" + SCSISTR=`cat /proc/scsi/scsi | grep -A$LN -e"$grepstr"` fi if test -z "$SCSISTR"; then return 1; else return 0; fi } @@ -148,6 +187,7 @@ sgdevice24 () } # Find sg device that belongs to SCSI device $host $channel $id $lun +# and return in SGDEV sgdevice () { SGDEV= @@ -169,21 +209,38 @@ sgdevice () echo "scsi report-devs 0" >/proc/scsi/scsi fi fi -} +} # Test if SCSI device is still responding to commands testonline () { : testonline + RC=0 if test ! -x /usr/bin/sg_turs; then return 0; fi sgdevice if test -z "$SGDEV"; then return 0; fi sg_turs /dev/$SGDEV >/dev/null 2>&1 RC=$? + # Handle in progress of becoming ready and unit attention -- 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=$? + done + 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" 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` + 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/^[^:]*: \(.*\)$/\1/'` @@ -191,31 +248,33 @@ testonline () IPTYPE=`echo "$INQ" | sed -n 's/.* Device_type=\([0-9]*\) .*/\1/p'` IPQUAL=`echo "$INQ" | sed -n 's/ *PQual=\([0-9]*\) Device.*/\1/p'` if [ "$IPQUAL" != 0 ] ; then - echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nLU not available (PQual $IPQUAL)${norm}\n\n\n" - return 1 + 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 $IPTYPE) procscsiscsi TMPSTR=`echo "$SCSISTR" | grep 'Vendor:'` if [ "$TMPSTR" != "$STR" ]; then - echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${TMPSTR#* } \nto: $STR ${norm}\n\n\n" + echo -e "\e[A\e[A\e[A\e[A${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'` if [ $TMPSTR != $TYPE ] ; then - echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${TMPSTR} \nto: $TYPE ${norm}\n\n\n" - return 1 - fi + echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${TMPSTR} \nto: $TYPE ${norm} \n\n\n" + return 1 + fi return $RC } # Test if SCSI device $host $channen $id $lun exists -# Outputs description from /proc/scsi/scsi, returns SCSISTR +# Outputs description from /proc/scsi/scsi (unless arg passed) +# Returns SCSISTR (empty if no dev) testexist () { : testexist SCSISTR= - if procscsiscsi; then + if procscsiscsi && test -z "$1"; then echo "$SCSISTR" | head -n1 echo "$SCSISTR" | tail -n2 | pr -o4 -l1 fi @@ -230,6 +289,7 @@ chanlist () local tmpchan for dev in /sys/class/scsi_device/${host}:* ; do + [ -d $dev ] || continue; hcil=${dev##*/} cil=${hcil#*:} chan=${cil%%:*} @@ -242,6 +302,7 @@ chanlist () channelsearch="$channelsearch $chan" fi done + if test -z "$channelsearch"; then channelsearch="0"; fi } # Returns the list of existing targets per host @@ -254,6 +315,7 @@ idlist () local tmpid for dev in /sys/class/scsi_device/${host}:${channel}:* ; do + [ -d $dev ] || continue; hcil=${dev##*/} cil=${hcil#*:} il=${cil#*:} @@ -261,6 +323,7 @@ idlist () for tmpid in $idsearch ; do if test "$target" -eq $tmpid ; then target= + break fi done if test -n "$target" ; then @@ -269,53 +332,83 @@ idlist () done } -# Returns the list of existing LUNs -getluns () +# Returns the list of existing LUNs from device $host $channel $id $lun +# and returns list to stdout +getluns() { - if test ! -x /usr/bin/sg_luns; then return; fi sgdevice if test -z "$SGDEV"; then return; fi - sg_luns -d /dev/$SGDEV | sed -n 's/.*lun=\(.*\)/\1/p' + if test ! -x /usr/bin/sg_luns; then echo 0; return; fi + LLUN=`sg_luns -d /dev/$SGDEV 2>/dev/null` + if test $? != 0; then echo 0; return; fi + echo "$LLUN" | sed -n 's/.*lun=\(.*\)/\1/p' +} + +# Wait for udev to settle (create device nodes etc.) +udevadm_settle() +{ + if test -x /sbin/udevadm; then + print_and_scroll_back " Calling udevadm settle (can take a while) " + /sbin/udevadm settle + white_out + else + usleep 20000 + fi } -# Perform scan on a single lun +# Perform scan on a single lun $host $channel $id $lun dolunscan() { SCSISTR= devnr="$host $channel $id $lun" - echo "Scanning for device $devnr ..." + echo "Scanning for device $devnr ... " printf "${yellow}OLD: $norm" testexist + # Special case: lun 0 just got added (for reportlunscan), + # so make sure we correctly treat it as new + if test "$lun" = "0" -a "$1"; then + SCSISTR="" + printf "\r\e[A\e[A\e[A" + fi : 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 - if test $? = 1 -o ! -z "$forceremove"; then + 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}:${lun}/device/delete - # Try reading, should fail if device is gone - echo "$channel $id $lun" > /sys/class/scsi_host/host${host}/scan + if test $RC -eq 1 -o $lun -eq 0 ; then + # Try readding, should fail if device is gone + echo "$channel $id $lun" > /sys/class/scsi_host/host${host}/scan + fi + # FIXME: Can we skip udevadm settle for removal? + #udevadm_settle + usleep 20000 else echo "scsi remove-single-device $devnr" > /proc/scsi/scsi - # Try reading, should fail if device is gone - echo "scsi add-single-device $devnr" > /proc/scsi/scsi + 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 - if test $RC = 0 ; then + 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\x1b[A\x1b[A\x1b[A${yellow}OLD: $norm" + printf "\r\e[A\e[A\e[A${yellow}OLD: $norm" testexist if test -z "$SCSISTR"; then printf "\r${red}DEL: $norm\r\n\n" let rmvd+=1; + return 1 fi fi if test -z "$SCSISTR"; then @@ -323,13 +416,14 @@ dolunscan() 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 $devnr" > /proc/scsi/scsi fi testexist if test -z "$SCSISTR"; then # Device not present - printf "\r\x1b[A"; + printf "\r\e[A"; # Optimization: if lun==0, stop here (only if in non-remove mode) if test $lun = 0 -a -z "$remove" -a $optscan = 1; then break; @@ -340,60 +434,74 @@ dolunscan() fi } -# Perform report lun scan +# Perform report lun scan on $host $channel $id using REPORT_LUNS doreportlun() { lun=0 SCSISTR= devnr="$host $channel $id $lun" - echo "Scanning for device $devnr ..." - printf "${yellow}OLD: $norm" - testexist + echo -en "Scanning for device $devnr ...\r" + lun0added= + #printf "${yellow}OLD: $norm" + # Phase one: If LUN0 does not exist, try to add + testexist -q if test -z "$SCSISTR"; then # Device does not exist, try to add - printf "\r${green}NEW: $norm" + #printf "\r${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 $devnr" > /proc/scsi/scsi fi - testexist - if test -z "$SCSISTR"; then + testexist -q + if test -n "$SCSISTR"; then + lun0added=1 + #testonline + else # Device not present - printf "\r\x1b[A"; - lunsearch= - return + # return + # Find alternative LUN to send getluns to + for dev in /sys/class/scsi_device/${host}:${channel}:${id}:*; do + [ -d "$dev" ] || continue + lun=${dev##*:} + break + done fi fi - lunsearch=`getluns` + targetluns=`getluns` lunremove= + #echo "getluns reports " $targetluns # Check existing luns - for dev in /sys/class/scsi_device/$host\:$channel\:$id\:*; do + for dev in /sys/class/scsi_device/${host}:${channel}:${id}:*; do + [ -d "$dev" ] || continue lun=${dev##*:} newsearch= - oldsearch="$lunsearch" - for tmplun in $lunsearch; do + inlist= + # OK, is existing $lun (still) in reported list + for tmplun in $targetluns; do if test $tmplun -eq $lun ; then - # Optimization: don't scan lun 0 again - if [ $lun -ne 0 ]; then - dolunscan - fi + inlist=1 + dolunscan $lun0added else newsearch="$newsearch $tmplun" fi done - if [ "${#oldsearch}" = "${#newsearch}" ] ; then - # Stale lun - lunremove="$lunremove $lun" + # 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 $lun" fi - lunsearch="$newsearch" + # $lun removed from $lunsearch (echo for whitespace cleanup) + targetluns=`echo $newsearch` done # Add new ones and check stale ones - for lun in $lunsearch $lunremove; do - dolunscan + for lun in $targetluns $lunremove; do + dolunscan $lun0added done } - + # Perform search (scan $host) dosearch () { @@ -405,7 +513,7 @@ dosearch () idlist fi for id in $idsearch; do - if test -z "$lunsearch"; then + if test -z "$lunsearch" ; then doreportlun else for lun in $lunsearch; do @@ -416,18 +524,40 @@ dosearch () done } +expandlist () +{ + list=$1 + result="" + first=${list%%,*} + rest=${list#*,} + while test ! -z "$first"; do + beg=${first%%-*}; + if test "$beg" = "$first"; then + result="$result $beg"; + else + end=${first#*-} + result="$result `seq $beg $end`" + fi + test "$rest" = "$first" && rest="" + first=${rest%%,*} + rest=${rest#*,} + done + echo $result +} + # main if test @$1 = @--help -o @$1 = @-h -o @$1 = @-?; then echo "Usage: rescan-scsi-bus.sh [options] [host [host ...]]" echo "Options:" - echo " -l activates scanning for LUNs 0-7 [default: 0]" + echo " -l activates scanning for LUNs 0--7 [default: 0]" echo " -L NUM activates scanning for LUNs 0--NUM [default: 0]" - echo " -w scan for target device IDs 0 .. 15 [default: 0-7]" - echo " -c enables scanning of channels 0 1 [default: 0]" + echo " -w scan for target device IDs 0--15 [default: 0--7]" + 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" @@ -435,6 +565,11 @@ if test @$1 = @--help -o @$1 = @-h -o @$1 = @-?; then echo "--channels=LIST: Scan only channel(s) in LIST" echo "--ids=LIST: Scan only target ID(s) in LIST" 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 "--largelun: Tell kernel to support LUNs > 7 even on SCSI2 devs" + echo "--sparselun: Tell kernel to support sparse LUN numbering" 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" @@ -442,27 +577,6 @@ if test @$1 = @--help -o @$1 = @-h -o @$1 = @-?; then exit 0 fi -expandlist () -{ - list=$1 - result="" - first=${list%%,*} - rest=${list#*,} - while test ! -z "$first"; do - beg=${first%%-*}; - if test "$beg" = "$first"; then - result="$result $beg"; - else - end=${first#*-} - result="$result `seq $beg $end`" - fi - test "$rest" = "$first" && rest="" - first=${rest%%,*} - rest=${rest#*,} - done - echo $result -} - if test ! -d /sys/class/scsi_host/ -a ! -d /proc/scsi/; then echo "Error: SCSI subsystem not active" exit 1 @@ -471,22 +585,27 @@ fi # Make sure sg is there modprobe sg >/dev/null 2>&1 -sg_version=$(sg_inq -V 2>&1 | cut -d " " -f 3) -sg_version=${sg_version##0.} -if [ "$sg_version" -lt 70 ] ; then - sg_len_arg="-36" -else - sg_len_arg="--len=36" -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 "$sg_version" -lt 70 ] ; then + sg_len_arg="-36" + else + sg_len_arg="--len=36" + fi +fi # defaults unsetcolor -lunsearch="" -idsearch=`seq 0 7` -channelsearch="0" +lunsearch= +opt_idsearch=`seq 0 7` +opt_channelsearch= remove= forceremove= optscan=1 +sync=1 +declare -i scan_flags=0 if test -d /sys/class/scsi_host; then findhosts_26 else @@ -500,19 +619,26 @@ while test ! -z "$opt" -a -z "${opt##-*}"; do case "$opt" in l) lunsearch=`seq 0 7` ;; L) lunsearch=`seq 0 $2`; shift ;; - w) idsearch=`seq 0 15` ;; - c) channelsearch="0 1" ;; + w) opt_idsearch=`seq 0 15` ;; + c) opt_channelsearch="0 1" ;; r) remove=1 ;; i) lipreset=1 ;; -remove) remove=1 ;; + -forcerescan) remove=1; forcerescan=1 ;; -forceremove) remove=1; forceremove=1 ;; -hosts=*) arg=${opt#-hosts=}; hosts=`expandlist $arg` ;; - -channels=*) arg=${opt#-channels=};channelsearch=`expandlist $arg` ;; - -ids=*) arg=${opt#-ids=}; idsearch=`expandlist $arg` ;; + -channels=*) arg=${opt#-channels=};opt_channelsearch=`expandlist $arg` ;; + -ids=*) arg=${opt#-ids=}; opt_idsearch=`expandlist $arg` ;; -luns=*) arg=${opt#-luns=}; lunsearch=`expandlist $arg` ;; -color) setcolor ;; -nooptscan) optscan=0 ;; -issue-lip) lipreset=1 ;; + -sync) sync=2 ;; + -nosync) sync=0 ;; + -attachpq3) scan_flags=$(($scan_flags|0x1000000)) ;; + -reportlun2) scan_flags=$(($scan_flags|0x20000)) ;; + -largelun) scan_flags=$(($scan_flags|0x200)) ;; + -sparselun) scan_flags=$((scan_flags|0x40)) ;; *) echo "Unknown option -$opt !" ;; esac shift @@ -521,9 +647,26 @@ done # Hosts given ? if test "@$1" != "@"; then - hosts=$*; + hosts=$* fi +if [ -d /sys/class/scsi_host -a ! -w /sys/class/scsi_host ]; then + echo "You need to run scsi-rescan-bus.sh as root" + exit 2 +fi +if test "$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 + echo $NEW_SCANFLAGS > /sys/module/scsi_mod/parameters/default_dev_flags + else + unset OLD_SCANFLAGS + fi +fi echo "Scanning SCSI subsystem for new devices" test -z "$remove" || echo " and remove devices that have disappeared" declare -i found=0 @@ -534,25 +677,33 @@ for host in $hosts; do # It's pointless to do a target scan on FC if test -n "$lipreset" ; then echo 1 > /sys/class/fc_host/host$host/issue_lip 2> /dev/null; - echo "- - -" > /sys/class/scsi_host/host$host/scan 2> /dev/null; fi - channelsearch="" - idsearch="" + # Always trigger a rescan for FC to update channels and targets + echo "- - -" > /sys/class/scsi_host/host$host/scan 2> /dev/null; + channelsearch= + idsearch= + udevadm_settle + else + channelsearch=$opt_channelsearch + idsearch=$opt_idsearch fi [ -n "$channelsearch" ] && echo -n "channels $channelsearch " echo -n "for " if [ -n "$idsearch" ] ; then - echo -n " SCSI target IDs " $idsearch + echo -n " SCSI target IDs " $idsearch else - echo -n " all SCSI target IDs" + echo -n " all SCSI target IDs" fi if [ -n "$lunsearch" ] ; then - echo ", LUNs " $lunsearch + echo ", LUNs " $lunsearch else - echo ", all LUNs" + echo ", all LUNs" fi - dosearch; + dosearch done +if test -n "$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. " |