Article Number: 000054904
NetWorker 9.1.x vProxy versions (2.0.0-12 or 2.0.0-12_1) based FLR recovery of a Linux host fails to mount the hosts XFS filesystems.
Impact is only to systems using newer version 5 XFS i.e. RHEL 7(or similar like CentOS 7)
In the FLR mount logs the following errors:
2017/02/17 14:53:00 TRACE: [@(#) Build number: 43] Mounting '/dev/EMC-FLR#########/lv_root' on '/opt/emc/vproxyra/flr/mountpoints/FLR#########/lvm00-lv_root', fstype 'xfs' 2017/02/17 14:53:00 TRACE: [@(#) Build number: 43] Could not mount '/dev/EMC-FLR#########/lv_root': Invalid argument 2017/02/17 14:53:00 TRACE: [@(#) Build number: 43] No LVM volumes were mounted. 2017/02/17 14:53:00 TRACE: [@(#) Build number: 43] No LVM volumes were mounted. 2017/02/17 14:53:00 TRACE: [@(#) Build number: 43] Unable to mount any FLR file systems. 2017/02/17 14:53:00 TRACE: [@(#) Build number: 43] Removing device '0:0:1:0' 2017/02/17 14:53:00 TRACE: [@(#) Build number: 43] FLR_ERROR: Unable to mount any FLR file systems. 2017/02/17 14:53:00 TRACE: [@(#) Build number: 43] Mount error: exit status 1 2017/02/17 14:53:00 TRACE: [@(#) Build number: 43] Mount [0/1/0] failed: Unable to mount any FLR file systems.
At the time of mount failure, the (destination) VM s /var/log/messages file will show:
Corruption warning: Metadata has LSN (#:#####) ahead of current LSN (#:#). Please unmount and run xfs_repair (>= v4.3) to resolve.
20 Nov 2020
2
Solution