[Gluster-users] Removing orphaned hard links under .glusterfs
Andrew Zenk
azenk at umn.edu
Thu Aug 21 17:35:10 UTC 2014
I'm not aware of any. Though I'm not an expert on the topic.
On Aug 21, 2014 12:32 PM, "Branden Timm" <btimm at energy.wisc.edu> wrote:
> Thanks, I'll have a look at that. Is there any way to divine the brick
> path that those gfid files under .glusterfs used to point to?
>
> -Branden
>
> On 08/21/2014 12:18 PM, Andrew Zenk wrote:
>
> I would think that the link count should be sufficient. I've attached a
> python module that we've used to do some brick level indexing and cleanup
> on our system. You could use it to generate a list of the .glusterfs links
> for the remaining good files on the disk. Then you could check your
> candidates for removal against the list before removing them.
>
> On Aug 21, 2014 12:05 PM, "Branden Timm" <btimm at energy.wisc.edu> wrote:
>
>> We have a distributed volume, and had a rather large (> 50TB) folder that
>> was no longer needed. Naively, we removed the folder from the brick
>> instead of through the Gluster client.
>>
>> You can probably see where this is going. We didn’t actually reclaim the
>> space because of the hard links to .glusterfs, and now we need to figure
>> out how to clean up.
>>
>> Is it sufficient to simply check whether a file under .glusterfs has less
>> than 2 hard links, something like:
>>
>> find .glusterfs -type f -links -2 -exec rm {} \;
>>
>> Or do we have to do something else? Any help is much appreciated.
>>
>> —Branden
>>
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>>
>
>
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