>>> <[email protected]> schrieb am 02.12.2014 um 15:06 in Nachricht
<[email protected]>:
> We have 2 Equallogic Systems, And a Dell Servers.
>
> We have every server give a block device home dir , so the user data are on
> the home dir this is working great its format on xfs filesystem, and
> running iscsiadm version 2.0-870 with linux kernel 3.10.57
>
> But when we logging on the server, the first time we do a dir command on
> the home dir, its take a long time when we get feedback on the dir , the
> next time is fast when we do a dir.
Are you sure it's related to iSCSI? Especially for the /home dire several
different UIDs/GIDs are involved. We had a slow "ls -l /home" performance when
the NIS server had a problem. Maybe you use LDAP or something else? Maybe try
"hdparm -t <block_device>" to get a rough number how fast your block device can
be read. I know there are better tests, but this one is quick and easy to
perform...
> Now we have users on this systems and this problem give not good
> performance on sql and websites an e-mail we are running on the server.
You are running a database ("sql") via iSCSI?
>
> Are the some information how i can fix ore maybe get this problem better
> under control ?
>
> I hope so that somebody can help me, i am searching for more than 3 weeks
> now.
>
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