Hi Ram,
On 09/03/17 20:15, Ankireddypalle Reddy wrote:
Xavi,
Thanks for checking this.
1) mkdir returns errnum 5. EIO.
2) The specified directory is the parent directory under which all the data in the gluster volume will be stored. Current around 160TB of 262 TB is consumed.
I only need the first level entries of that directory, not the entire
tree of entries. This should be in the order of thousands, right ?
We need to make sure that all bricks have the same entries in this
directory. Otherwise we would need to check other things.
3) It is extremely difficult to list the exact sequence of FOPS that would have been issued to the directory. The storage is heavily used and lot of sub directories are present inside this directory.
Are you looking for the extended attributes for this directory from all the bricks inside the volume. There are about 60 bricks.
If possible, yes.
However, if there's a lot of modifications on that directory while you
are getting the xattr, it's possible that you get inconsistent values,
but they are not really inconsistent.
If possible, you should get that information pausing all activity to
that directory.
Xavi
Thanks and Regards,
Ram
-----Original Message-----
From: Xavier Hernandez [mailto:xhernandez@xxxxxxxxxx]
Sent: Thursday, March 09, 2017 11:15 AM
To: Ankireddypalle Reddy; Gluster Devel (gluster-devel@xxxxxxxxxxx); gluster-users@xxxxxxxxxxx
Subject: Re: [Gluster-users] Disperse mkdir fails
Hi Ram,
On 09/03/17 16:52, Ankireddypalle Reddy wrote:
Attachment (1):
1
info.txt
<https://imap.commvault.com/webconsole/embedded.do?url=https://imap.co
mmvault.com/webconsole/api/drive/publicshare/346714/file/3037641a3f9b4
133920b1b251ed32d5d/action/preview&downloadUrl=https://imap.commvault.
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[Download]
<https://imap.commvault.com/webconsole/api/contentstore/publicshare/34
6714/file/3037641a3f9b4133920b1b251ed32d5d/action/download>(3.35
KB)
Hi,
I have a disperse gluster volume with 6 servers. 262TB of
usable capacity. Gluster version is 3.7.19.
glusterfs1, glusterf2 and glusterfs3 nodes were initially used
for creating the volume. Nodes glusterf4, glusterfs5 and glusterfs6
were later added to the volume.
Directory creation failed on a directory called
/ws/glus/Folder_07.11.2016_23.02/CV_MAGNETIC.
# file: ws/glus/Folder_07.11.2016_23.02/CV_MAGNETIC
glusterfs.gfid.string="e8e51015-616f-4f04-b9d2-92f46eb5cfc7"
gluster mount log contains lot of following errors:
[2017-03-09 15:32:36.773937] W [MSGID: 122056]
[ec-combine.c:875:ec_combine_check] 0-StoragePool-disperse-7:
Mismatching xdata in answers of 'LOOKUP' for
e8e51015-616f-4f04-b9d2-92f46eb5cfc7
The directory seems to be out of sync between nodes
glusterfs1,
glusterfs2 and glusterfs3. Each has different version.
trusted.ec.version=0x00000000000839f00000000000083a4d
trusted.ec.version=0x0000000000082ea40000000000083a4b
trusted.ec.version=0x0000000000083a760000000000083a7b
Self-heal does not seem to be healing this directory.
This is very similar to what happened the other time. Once more than 1 brick is damaged, self-heal cannot do anything to heal it on a 2+1 configuration.
What error does return the mkdir request ?
Does the directory you are trying to create already exist on some brick ?
Can you show all the remaining extended attributes of the directory ?
It would also be useful to have the directory contents on each brick (an 'ls -l'). In this case, include the name of the directory you are trying to create.
Can you explain a detailed sequence of operations done on that directory since the last time you successfully created a new subdirectory ?
including any metadata change.
Xavi
Thanks and Regards,
Ram
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