Re: Gluster quota showing wrong space utilization (showing 16384.0 PB)

Omkar Kulkarni <omkarajitkulkarni@xxxxxxxxx> · Mon, 2 Feb 2015 21:36:36 -0500

Hi Vijay,
I was recreate the issue. 
1) Create a replicated volume with 2 CentOS 6.5 machines 

i)gluster volume create homedir replica 2 transport tcp node1:/brick1/homedir node2:/brick1/homedir

gluster  volume set homedir network.ping-timeout 10
gluster  volume set homedir performance.cache-size 1GB
gluster  volume set homedir nfs.rpc-auth-allow 10.99.30.20,10.99.30.21
gluster  volume set homedir auth.allow 10.99.30.20,10.99.30.21
gluster  volume set homedir features.quota on
gluster  volume set homedir features.quota-timeout 0

gluster  volume set homedir features.quota-deem-statfs on

ii) setup quotas on around 900 folders

node1:~# gluster volume quota homedirlist |wc -l

903

iii) Created a rsync to create/delete files with different names  in 20 different folders and ran every 2 minutes
iv) in Around 2 days some directories showed PB in files used

On Fri, Jan 23, 2015 at 1:01 AM, Vijaikumar M <vmallika@xxxxxxxxxx> wrote:

    Hi Omar,

    If the issue is happening consistently, can we get a
      re-creatable test-case for this same?

    Thanks,

    Vijay

    On Wednesday 21 January 2015 02:47 AM,
      Omkar Kulkarni wrote:

      Hi Guys,

        I am using gluster 3.5.2 and for couple of directories I am
          getting used space as 16384.0 PB

           node1:~#
            gluster volume quota homedir list |grep PB
          /storage/home1
                                     3.0GB       90%   16384.0PB   3.0GB

          /storage/home2 
                                       1.0GB       90%   16384.0PB  
            1.0GB

          DU on
            actual directory

          node1:~# 
            du -hs /data/storage/home1/

          368K   
            /data/storage/home1/

          node1:~# 
            du -hs /data/storage/home2

          546K   
            /data/storage/home2

          I am
            using replicated volume (replica count 2) and mounted volume
            as nfs. Individual bricks are formatted as ext4. If I remove
            quotas and restart replicated volume and then re-add quotas
            then gluster quota shows correct value (instead of 16384.0
            PB) but once file transfer starts and files are
            added/deleted again these directories start showing
            incorrect values. 

          Just
            wanted to check if this is a bug in gluster quota and/or if
            there is any way to mitigate this?

          I do
            see a similar bug but for 3.4
          https://bugzilla.redhat.com/show_bug.cgi?id=1061068

          Thanks

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