[Gluster-devel] Duplicate entries and other weirdness in a 3*4 volume
Anders Blomdell
anders.blomdell at control.lth.se
Mon Jul 21 11:53:19 UTC 2014
On 2014-07-21 13:49, Pranith Kumar Karampuri wrote:
>
> On 07/21/2014 05:17 PM, Anders Blomdell wrote:
>> On 2014-07-21 13:36, Pranith Kumar Karampuri wrote:
>>> On 07/21/2014 05:03 PM, Anders Blomdell wrote:
>>>> On 2014-07-19 04:43, Pranith Kumar Karampuri wrote:
>>>>> On 07/18/2014 07:57 PM, Anders Blomdell wrote:
>>>>>> During testing of a 3*4 gluster (from master as of yesterday), I encountered
>>>>>> two major weirdnesses:
>>>>>>
>>>>>> 1. A 'rm -rf <some_dir>' needed several invocations to finish, each time
>>>>>> reporting a number of lines like these:
>>>>>> rm: cannot remove ‘a/b/c/d/e/f’: Directory not empty
>>>>>>
>>>>>> 2. After having successfully deleted all files from the volume,
>>>>>> i have a single directory that is duplicated in gluster-fuse,
>>>>>> like this:
>>>>>> # ls -l /mnt/gluster
>>>>>> total 24
>>>>>> drwxr-xr-x 2 root root 12288 18 jul 16.17 work2/
>>>>>> drwxr-xr-x 2 root root 12288 18 jul 16.17 work2/
>>>>>>
>>>>>> any idea on how to debug this issue?
>>>>> What are the steps to recreate? We need to first find what lead to this. Then probably which xlator leads to this.
>>>> Would a pcap network dump + the result from 'tar -c --xattrs /brick/a/gluster'
>>>> on all the hosts before and after the following commands are run be of
>>>> any help:
>>>>
>>>> # mount -t glusterfs gluster-host:/test /mnt/gluster
>>>> # mkdir /mnt/gluster/work2 ;
>>>> # ls /mnt/gluster
>>>> work2 work2
>>> Are you using ext4?
>> Yes
>>
>>> Is this on latest upstream?
>> kernel is 3.14.9-200.fc20.x86_64, if that is latest upstream, I don't know.
>> gluster is from master as of end of last week
>>
>> If there are known issues with ext4 i could switch to something else, but during
>> the last 15 years or so, I have had very little problems with ext2/3/4, thats the
>> reason for choosing it.
> The problem is afrv2 + dht + ext4 offsets. Soumya and Xavier were working on it last I heard(CCed)
Should I switch to xfs or be guinea pig for testing a fixed version?
/Anders
--
Anders Blomdell Email: anders.blomdell at control.lth.se
Department of Automatic Control
Lund University Phone: +46 46 222 4625
P.O. Box 118 Fax: +46 46 138118
SE-221 00 Lund, Sweden
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