Bug#615958: multipath-tools: The unmount-iscsi.sh-scripts fails on shutdown. In combination with a HP MSA 2012i SAN it doesn't detect the _netdevices properly and will unmount the local (root) partitions as well which causes the machine to hang i

[Ritesh Raj Sarraf]

That's weird. I'll look into it soon but a diff would have been better

Sent from Galaxy S Android
On Mar 1, 2011 3:51 PM, "Quentin" <quentin at datavisual.nl> wrote:
> Package: multipath-tools
> Version: 0.4.8+git0.761c66f-9
> Severity: important
>
>
>
> -- Package-specific info:
> Contents of /etc/multipath.conf:
> blacklist {
> devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
> }
> defaults {
> user_friendly_names yes
> }
> devices {
> device {
> vendor "HP"
> product "MSA2[02]12fc|MSA2012i"
> getuid_callout "/lib/udev/scsi_id --page=0x83 --whitelisted
--device=/dev/%n"
> hardware_handler "0"
> path_selector "round-robin 0"
> path_grouping_policy multibus
> failback immediate
> rr_weight uniform
> no_path_retry 18
> rr_min_io 100
> path_checker tur
> }
> }
>
>
> -- System Information:
> Debian Release: 6.0
> APT prefers squeeze-updates
> APT policy: (500, 'squeeze-updates'), (500, 'stable')
> Architecture: amd64 (x86_64)
>
> Kernel: Linux 2.6.32-5-amd64 (SMP w/2 CPU cores)
> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
>
> Versions of packages multipath-tools depends on:
> ii initscripts 2.88dsf-13.1 scripts for initializing and shutt
> ii kpartx 0.4.8+git0.761c66f-9 create device mappings for partiti
> ii libaio1 0.3.107-7 Linux kernel AIO access library -
> ii libc6 2.11.2-10 Embedded GNU C Library: Shared lib
> ii libdevmapper1.02.1 2:1.02.48-5 The Linux Kernel Device Mapper use
> ii libncurses5 5.7+20100313-5 shared libraries for terminal hand
> ii libreadline6 6.1-3 GNU readline and history libraries
> ii lsb-base 3.2-23.2squeeze1 Linux Standard Base 3.2 init scrip
> ii udev 164-3 /dev/ and hotplug management daemo
>
> multipath-tools recommends no packages.
>
> Versions of packages multipath-tools suggests:
> ii multipath-tools-boo 0.4.8+git0.761c66f-9 Support booting from multipath
dev
>
> -- no debconf information
>
>
> The new working (custom modified) script: umountiscsi.sh
>
>
> #! /bin/sh
> ### BEGIN INIT INFO
> # Provides: umountiscsi.sh
> # Required-Start:
> # Required-Stop: $network $remote_fs sendsigs open-iscsi
> # Default-Start:
> # Default-Stop: 0 1 6
> # Short-Description: Unmounts iSCSI filesystems and stops iSCSI services
> ### END INIT INFO
>
> . /lib/init/vars.sh
>
> . /lib/lsb/init-functions
>
>
> # Include defaults if available
> if [ -f /etc/default/open-iscsi ]; then
> . /etc/default/open-iscsi
> fi
>
>
> do_stop () {
> log_daemon_msg "Unmounting iscsi-backed filesystems"
>
> umount_fail=0
>
> if [ $HANDLE_NETDEV -eq 1 ]; then
> log_progress_msg "Unmounting all devices marked _netdev";
> umount -a -O _netdev >/dev/null 2>&1
> fi
>
>
> # Now handle iSCSI LVM Volumes
> if [ -n "$LVMGROUPS" ]; then
> log_daemon_msg "Deactivating iSCSI volume groups"
> for vg in "$LVMGROUPS"; do
> log_progress_msg $vg
> vgchange --available=n $vg
> if [ $? -ne 0 ]; then
> log_warning_msg "Cannot deactivate Volume Group $vg"
> umount_fail=1
> fi
> done
> log_end_msg 0
> fi
>
> for HOST_DIR in /sys/devices/platform/host*; do
> if ! [ -d $HOST_DIR/iscsi_host* ]; then
> continue
> fi
> for SESSION_DIR in $HOST_DIR/session*; do
> #######if ! [ -d $SESSION_DIR/target* ]; then
> if ! [ -d $SESSION_DIR/target*/*\:*/block ]; then
> continue
> fi
> for BLOCK_FILE in $SESSION_DIR/target*/*\:*/block/*; do
> BLOCK_DEV=`echo "$BLOCK_FILE" | sed 's/.*block\///'`
> DOS_PARTITIONS="`awk "/^\/dev\/$BLOCK_DEV/ { print \\$2; }" <
/proc/mounts`"
> for DEVICE in $DOS_PARTITIONS; do
> #log_progress_msg $DEVICE
> #echo $DEVICE
> umount $DEVICE
> exit_status=$?
> if ! [ $exit_status -eq 0 ]; then
> umount_fail=1
> log_warning_msg "Could not unmount $DEVICE"
> fi
> done
> done
> done
> done
>
> if [ $umount_fail -ne 0 ]; then
> log_end_msg 1
> exit 1
> else
> log_end_msg 0
> exit 0
> fi
> }
>
> case "$1" in
> start)
> # No-op
> ;;
> restart|reload|force-reload)
> echo "Error: argument '$1' not supported" >&2
> exit 3
> ;;
> stop|"")
> do_stop
> ;;
> *)
> echo "Usage: umountiscsi.sh [start|stop]" >&2
> exit 3
> ;;
> esac
>
>
>
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