Hey guys,
--
I'm experiencing this weird case for pretty much any command (ls, df, find, etc) I try to run against a Gluster client filesystem.
Just for you guys to understand what I'm talking about, follows this easy and simple test I just ran:
root@web3:~# date; time ls -ltrh /var/www/site-images/templates/assets/prod/temporary/13/user_1339200.png
Mon Jan 26 07:00:27 PST 2015
-rwx---r-- 1 mhmadmin mhmadmin 61K Jan 22 14:37 /var/www/site-images/templates/assets/prod/temporary/13/user_1339200.png
real 0m33.651s
user 0m0.001s
sys 0m0.004s
root@web3:~# date; time ls -ltrh /var/www/site-images/templates/assets/prod/temporary/13/user_1339200.png
Mon Jan 26 07:01:03 PST 2015
ls: cannot access /var/www/site-images/templates/assets/prod/temporary/13/user_1339200.png: Input/output error
real 1m40.241s
user 0m0.000s
sys 0m0.003s
root@web3:~# date; time ls -ltrh /var/www/site-images/templates/assets/prod/temporary/13/user_1339200.png
Mon Jan 26 07:02:51 PST 2015
ls: cannot access /var/www/site-images/templates/assets/prod/temporary/13/user_1339200.png: Input/output error
real 0m12.834s
user 0m0.000s
sys 0m0.003s
root@web3:~# date; time ls -ltrh /var/www/site-images/templates/assets/prod/temporary/13/user_1339200.png
Mon Jan 26 07:03:10 PST 2015
-rwx---r-- 1 mhmadmin mhmadmin 61K Jan 22 14:37 /var/www/site-images/templates/assets/prod/temporary/13/user_1339200.png
real 2m10.150s
user 0m0.000s
sys 0m0.005s
Sometimes it passes, but takes a really long time to run a simple command (this is a 61K file), sometimes I see the Input/output error. The important thing to mention is that this behavior happens almost all the time. I can quickly reproduce it if asked.
This is a 2-node gluster setup. Both VMs act as Client and Server (sorry if I'm not using the correct gluster naming.. I'm getting to know it for weeks now).
More info:
# gluster --version
glusterfs 3.5.3 built on Nov 18 2014 03:53:25
Repository revision: git://git.gluster.com/glusterfs.git
# df -Th
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/data_vg-data_lv ext4 1007G 506G 451G 53% /export/images1-1
images1.mydomain.com:/site-images fuse.glusterfs 1007G 506G 451G 53% /var/www/site-images
# uname -a
Linux web3 3.13.0-44-generic #73-Ubuntu SMP Tue Dec 16 00:22:43 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
# gluster volume info
Volume Name: site-images
Type: Replicate
Volume ID: 68bca3c9-210c-45a9-b2bc-6a0e2ee630bb
Status: Started
Number of Bricks: 1 x 2 = 2
Transport-type: tcp
Bricks:
Brick1: images1.mydomain.com:/export/images1-1/brick
Brick2: images2.mydomain.com:/export/images2-1/brick
Would anyone help me identify what is going on here?
Thanks in advance!
Tiago Santos
MustHaveMenus.com
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