[Gluster-users] Questions and notes to "Simplify recovery steps of corrupted files"

[FNU Raghavendra Manjunath]

Hi David,

Doing full heal after deleting the gfid entries (and the bad copy) is fine.
It is not dangerous.

Regards,
Raghavendra

On Mon, Mar 4, 2019 at 9:44 AM David Spisla <spisla80 at gmail.com> wrote:

> Hello Gluster Community,
>
> I have questions and notes concerning the steps mentioned in
> https://github.com/gluster/glusterfs/issues/491
>
> " *2. Delete the corrupted files* ":
> In my experience there are two GFID files if a copy gets corrupted.
> Example:
>
>
>
> *$ find /gluster/brick1/glusterbrick/.glusterfs -name
> fc36e347-53c7-4a0a-8150-c070143d3b34/gluster/brick1/glusterbrick/.glusterfs/quarantine/fc36e347-53c7-4a0a-8150-c070143d3b34/gluster/brick1/glusterbrick/.glusterfs/fc/36/fc36e347-53c7-4a0a-8150-c070143d3b34*
>
> Both GFID files has to be deleted. If a copy is NOT corrupted, there seems
> to be no GFID file in
> *.glusterfs/quarantine .  *Even one executes scub ondemand, the file is
> not there. The file in *.glusterfs/quarantine* occurs if one executes
> "scrub status".
>
> " *3. Restore the file* ":
> One alternatively trigger self heal manually with
> *gluster vo heal VOLNAME*
> But in my experience this is not working. One have to trigger a full heal:
> *gluster vo heal VOLNAME* *full*
>
> Imagine, one will restore a copy with manual self heal. It is neccesary to
> set some VOLUME options (stat-prefetch, dht.force-readdirp and
> performance.force-readdirp disabled) and mount via FUSE with some special
> parameters to heal the file?
> In my experience I do only a full heal after deleting the bad copy and the
> GFID files.
> This seems to be working. Or it is dangerous?
>
> Regards
> David Spisla
>
>
>
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