Thanks for the messages,
I have change the open-iscsi settings with Citrix Perfomance settings, and
i have set the blockdev to 16384, i see more perfomance.
But the first dir or commando on the dir, give the same slow perfomace, it
wil be taken more than 30 secondes.
We not running any nis or radius server.
On Wednesday, December 3, 2014 8:24:06 AM UTC+1, Uli wrote:
>
> >>> <stef...@gmail.com <javascript:>> schrieb am 02.12.2014 um 15:06 in
> Nachricht
> <5a7097b3-0dd7-4c28-abbf-ff66800b8...@googlegroups.com <javascript:>>:
> > 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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