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Can not read from shared storage

hamidr
Frequent Advisor

Can not read from shared storage

Hi dear members.

We have a strange problem with our shared storage.

We have 2 Bl25p servers with RHEL4u3 connected to EVA 6000 using QLA Multipath driver with two 2/16 SAN switches (four multiple paths).

The two servers use a 150 GB LUN, formatted as OCFS2 that is heavily utilized during the business hours.

Our problem is that sometime the shared LUN is not readable and the processes that need to access the file system ( like ls) on shared storage get uninterpretable sleep (the ps -x shows the process as D+ ).

Any idea? Please Help us.
2 REPLIES
Ivan Ferreira
Honored Contributor

Re: Can not read from shared storage

Any information in /var/log/messages or dmesg output?

How do you recover from the problem?
Por que hacerlo dificil si es posible hacerlo facil? - Why do it the hard way, when you can do it the easy way?
hamidr
Frequent Advisor

Re: Can not read from shared storage

No there is nothing related to this issue. Please help us. We are in a dangerous situation.