[Gluster-users] Removing orphaned hard links under .glusterfs

[Pranith Kumar Karampuri]

hi Branden,
      In earlier mail you said you removed a directory from the brick 
directly. Do you remember the brick name?. Is it a replica volume? If it 
is, then the directory should be available on the other brick of the 
replica pair.

Pranith

On 08/21/2014 11:02 PM, Branden Timm 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 
>> <mailto: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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