Public bug reported:
I have a server with Ubuntu 12.04 LTS running on it and a SAN attached to it
via iSCSI + multipath. When shutting down/rebooting the system the network is
shut down before the iSCSI volumes are unmounted and iscsi is shut down. Thus
the volume can't be flushed and i run into potential data-loss.
So at least those filesystems imported via the network need to be unmounted
before the network is shut down.
* Stopping atop system monitor: atop.
* Stopping multipath daemon multipathd [ OK ]
* Stopping Name Service Cache Daemon nscd [ OK ]
* Stopping LDAP connection daemon nslcd [ OK ]
* Stopping SASL Authentication Daemon saslauthd [ OK ]
* Stopping MD monitoring service mdadm --monitor [ OK ]
* Stopping NFS kernel daemon [ OK ]
* Unexporting directories for NFS kernel daemon... [ OK ]
* Stopping OpenLDAP slapd [ OK ]
* Asking all remaining processes to terminate... [ OK ]
* All processes ended within 1 seconds.... [ OK ]
rpcbind: rpcbind terminating on signal. Restart with "rpcbind -w"
* Deconfiguring network interfaces... [ OK ]
* Deactivating swap... [ OK ]
* Unmounting local filesystems...
[ 35.296645] end_request: I/O error, dev dm-1, sector 10238558242
[ 35.297043] Buffer I/O error on device dm-2, logical block 1279819776
[ 35.297484] JBD2: I/O error detected when updating journal superblock for
dm2-8.
[ 35.297988] end_request: I/O error, dev dm-1, sector 10238558242
[ 35.298380] Buffer I/O error on device dm-2, logical block 1279819776
[ 35.298802] JBD2: I/O error detected when updating journal superblock for
dm2-8.
[ 35.299285] end_request: I/O error, dev dm-1, sector 10238558242
[ 35.299680] Buffer I/O error on device dm-2, logical block 1279819776
[ 35.308467] JBD2: I/O error detected when updating journal superblock for
dm2-8.
[ 35.329612] end_request: I/O error, dev dm-1, sector 34
[ 35.339448] Buffer I/O error on device dm-2, logical block 0
[ OK ]
* Disconnecting iSCSI targets [ OK ]
* Stopping iSCSI initiator service [ OK ]
* Will now restart
** Affects: open-iscsi (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1085032
Title:
Network is shut down before iscsi volumes are unmounted/shutdown
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