Error "Superblock last mount time is in the future" from fsck when booting a Linux VM
Article ID: CTX221120
Updated On:
Description
In only one host, restarting a Linux VM will encounter the warning:
/dev/mapper/rootvg-lv_root: Superblock last mount time (Mon Feb 27 16:19:54 2017, now = Fri Feb 17 16:37:49 2017) is in the future. /dev/mapper/rootvg-lv_root: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY. (i.e., without -a or -p options)
Resolution
Correct the XenServer host time.
Change the time via command date -s and synchronize to hardware clock via hwclock --systohc
The last mount time Feb 27 16:19:54 2017 was from the VM running with the current time.
The incorrect date, Feb 17 2017, was taken by the VM from the XenServer host at boot time.
Change the time via command date -s and synchronize to hardware clock via hwclock --systohc
Problem Cause
The error messages indicated the cause.The last mount time Feb 27 16:19:54 2017 was from the VM running with the current time.
The incorrect date, Feb 17 2017, was taken by the VM from the XenServer host at boot time.
Issue/Introduction
When a Linux VM is booted on one specific host, fsck of the root device gives an error "UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY"
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