Re: file changed as we read it

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Title: Signature electronique
Hi,

This bug was recently fixed by the following four patches:
http://review.gluster.org/#/c/9477/
http://review.gluster.org/#/c/9465/
http://review.gluster.org/#/c/9476/
http://review.gluster.org/#/c/9457/

The fixes will become available in 3.6.3 and 3.5.4.

As a workaround, could you try the following two steps:
1. disable performance.stat-prefetch on the volume (by executing `gluster volume set <volname> performance.stat-prefetch off`)
2. unmount and mount the volume with use-readdirp=no on the client:
   Ex: mount -t glusterfs -o use-readdirp=no kritika:/rep /mnt

and see if it fixes the issue for you?

Meanwhile, may I know what version of gluster you are using?

-Krutika


From: "Pierre Léonard" <pleonard@xxxxxxxxxxxx>
To: gluster-users@xxxxxxxxxxx
Sent: Tuesday, February 24, 2015 5:36:44 PM
Subject: file changed as we read it

hi all,

I work with a 14 node glusterfs replica 2. and when I made a tar of a directory I get that message for a lot of files :

 tar: xxxxxxxxx/xsq_data/wildfire4_2014_12_09_2/L02/intermediate: file changed as we read it

I have check a small file and find nothing abnormal. So i hope that the same for all files.
but imagine that one of my users see that messages, what would it think ?

So my question is : What is the reason of that message on a file, and is there a configuration of glusterfs or the underlying file system,  to avoid it ?

Many thanks in advance.

sincerely.

--
INRA
 
Pierre Léonard
Senior IT Manager
MetaGenoPolis
Pierre.Leonard@xxxxxxxxxxxx
Tél. : +33 (0)1 34 65 29 78
Centre de recherche INRA
Domaine de Vilvert – Bât. 325 R+1
78 352 Jouy-en-Josas CEDEX
France
www.mgps.eu

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