[ClusterLabs] File System does not do a recovery on fail over

[Indivar Nair]

Thanks, Gang

It is a very large file system - around 600TB.
Could this be why it takes around 5 - 10mins to do journal recovery?

What we do as a workaround is -
- Disable the filesystem resource on startup
- Manually mount it (wait for as long as it takes)
- Then umount it
- Enable filesystem resource

But this doesn't seem like the right approach.

We have tried repairing the Filesystem when a failover happens, but it
has never shown any major corruption.

Regards,


Indivar Nair



On Tue, Jun 11, 2019 at 10:18 AM Gang He <ghe at suse.com> wrote:
>
> Hi Indivar,
>
> See my comments inline.
>
> >>> On 6/11/2019 at 12:10 pm, in message
> <CALuPYL3-+8DBTyd8rRONjY=y8aa64y7W+V=EaNfjb+ez4rg6DQ at mail.gmail.com>, Indivar
> Nair <indivar.nair at techterra.in> wrote:
> > Hello ...,
> >
> > I have an Active-Passive cluster with two nodes hosting an XFS
> > Filesystem over a CLVM Volume.
> >
> > If a failover happens, the volume is mounted on the other node without
> > a recovery that usually happens to a volume that has not been cleanly
> > unmounted.
> > The FS journal is on the same volume.
> >
> > Now, when we fail it back (with a complete cluster shutdown and
> > restart) on to its original node, it undergoes the automatic recovery.
> >
> > 1.
> > Shouldn't it do an FS recovery during the failover to the other node?
> > Note: The FS journal is on the same volume.
> Usually, file system must do the log recovery during the file system is mounted.
>
> >
> > 2.
> > Also, the failback usually fails because the FS check takes a
> > considerable amount of time. How do I configure the mount not to fail
> > when an automatic FS check is going on?
> File system introduces a journal to avoiding take too long time for file system recovery.
> If the time is too long, maybe this is a file system problem, e.g. file system is damaged.
> Secondly, you can set the timeout value longer.
>
> Thanks
> Gang
>
> >
> > Any help/pointers would be highly appreciated.
> >
> > Thanks.
> >
> > Regards,
> >
> >
> > Indivar Nair
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