[LU-9865] Pacemaker fails to start target due to zpool I/O error

• Type: Bug
• Resolution: Unresolved
• Priority: Minor
• Severity: 3
• Assignee: WC Triage
• Reporter: Tom Nabarro (Inactive)

Description

https://github.com/intel-hpdd/intel-manager-for-lustre/issues/205

IML attempts to start a Lustre target on a zfs-backed device with pacemaker but the action fails with the following description (in messages log):

Aug 10 08:51:14 lotus-56vm15.lotus.hpdd.lab.intel.com lrmd[7679]:  notice: testfs-OST0001_67da1f_start_0:1930:stderr [ Error importing pool: 'Error (1) running 'zpool import -f zfs_pool_scsi0QEMU_QEMU_HARDDISK_disk13': '#011Recovery is possible, but will result in some data loss. ]
Aug 10 08:51:14 lotus-56vm15.lotus.hpdd.lab.intel.com lrmd[7679]:  notice: testfs-OST0001_67da1f_start_0:1930:stderr [ #011Returning the pool to its state as of Thu Aug 10 08:51:08 2017 ]
Aug 10 08:51:14 lotus-56vm15.lotus.hpdd.lab.intel.com lrmd[7679]:  notice: testfs-OST0001_67da1f_start_0:1930:stderr [ #011should correct the problem.  Recovery can be attempted ]
Aug 10 08:51:14 lotus-56vm15.lotus.hpdd.lab.intel.com lrmd[7679]:  notice: testfs-OST0001_67da1f_start_0:1930:stderr [ #011by executing 'zpool import -F zfs_pool_scsi0QEMU_QEMU_HARDDISK_disk13'.  A scrub of the pool ]
Aug 10 08:51:14 lotus-56vm15.lotus.hpdd.lab.intel.com lrmd[7679]:  notice: testfs-OST0001_67da1f_start_0:1930:stderr [ #011is strongly recommended after recovery. ]
Aug 10 08:51:14 lotus-56vm15.lotus.hpdd.lab.intel.com lrmd[7679]:  notice: testfs-OST0001_67da1f_start_0:1930:stderr [ ' 'cannot import 'zfs_pool_scsi0QEMU_QEMU_HARDDISK_disk13': I/O error ]

What is the suggestion for handling this kind of scenario?