Re: [Gluster-users] Input/Output Error on Gluster NFS

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On 02/05/2015 11:32 PM, Peter Auyeung wrote:
Hi Soumya

root@glusterprod001:~# gluster volume info | grep nfs.acl
02/05/15 10:00:05 [ /root ]

Seems like we do not have ACL enabled.

nfs client is a RHEL4 standard NFS client

Oh by default ACLs are enabled. It seem to be shown in 'gluster volume info' only if we explicitly modify its value to ON/OFF.

Can you please verify if the filesystem where your Gluster bricks have been created has been mounted with ACLs enabled.

Thanks,
Soumya


Thanks
-Peter
________________________________________
From: Soumya Koduri [skoduri@xxxxxxxxxx]
Sent: Wednesday, February 04, 2015 11:28 PM
To: Peter Auyeung; gluster-users@xxxxxxxxxxx; gluster-devel@xxxxxxxxxxx
Subject: Re:  [Gluster-users] Input/Output Error on Gluster NFS

Hi Peter,

Have you disabled Gluster-NFS ACLs .

Please check the option value -
#gluster v info | grep nfs.acl
nfs.acl: ON

Also please provide the details of the nfs-client you are using.
Typically, nfs-clients seem to issue getxattr before doing
setxattr/removexattr operations and return 'ENOTSUPP' incase of ACLs
disabled. But from the strace, looks like the client has issued
'removexattr' of 'system.posix_acl_default' which returned EIO.

Anyways, 'removexattr' should also have returned EOPNOTSUPP instead of EIO.

Thanks,
Soumya

On 02/05/2015 02:31 AM, Peter Auyeung wrote:
I was trying to copy a directory of files to Gluster via NFS and getting
permission denied with Input/Output error

---> root@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx (0.00)# cp -pr db /mnt/
cp: setting permissions for `/mnt/db/full/pr_bizrate_standby_SMLS.F02-01-22-35.d': Input/output error
cp: setting permissions for `/mnt/db/full/pr_bizrate_standby_logging.F02-02-18-10.b': Input/output error
cp: setting permissions for `/mnt/db/full/pr_bizrate_SMLS.F02-01-22-35.d': Input/output error
cp: setting permissions for `/mnt/db/full/pr_bizrate_standby_master.F02-02-22-00': Input/output error
cp: setting permissions for `/mnt/db/full': Input/output error
cp: setting permissions for `/mnt/db': Input/output error

Checked gluster nfs.log and etc log and bricks looks clean.
The files ends up able to copy over with right permission.

Stack trace the copy and seems like it failed on removexattr

removexattr("/mnt/db", "system.posix_acl_default"...) = -1 EIO (Input/output error)

http://pastie.org/9884810

Any Clue?

Thanks
Peter







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