[CentOS] SAN help
Per Qvindesland
per at norhex.com
Fri Jan 8 16:09:42 UTC 2010
Hmm it could be worth checking the fc switch log also if you get stuck.
Per
Sent from my iPhone
On 8 Jan 2010, at 15:37, Paras pradhan <pradhanparas at gmail.com> wrote:
> Per,
>
> Yes I have a device mapper out of my detected LUNS. My storage is
> Hitachi OpenV . My multipath.conf files looks like below. Do I need
> to add anything to it since failover is not working. When I unplugg
> the cable in the 1st port of my HBA... my server reboots and I don't
> know what is causing this reboot. And after reboot when I plug the
> cable back, no recovery is done and to make it work I have to reboot
> the server once again with cable plugged.
>
> --
> blacklist {
> devnode "^sda"
> }
>
> defaults {
> user_friendly_names yes
> failback immediate
> }
> -------
>
>
> Thanks
> Paras
>
>
> On Fri, Jan 8, 2010 at 4:42 AM, Per Qvindesland <per at norhex.com>
> wrote:
> Hi
>
> For sure no problems, I see this about everyday, the major reason is
> that the rh driver is not certified for use with Dell,HP or IBM for
> that matter, if we get a support request where I work and the RH
> driver is used for the qlogic card then customer must install the
> certified driver from the vendor, this has a lot to do with
> compabillity with the bios etc, I am not saying that the RH driver
> is bad it is just unsupported by most vendors.
>
> Regards
> Per
>
>
> At Fredag, 08-01-2010 on 11:06 "Alexander Dalloz" <ad+lists at uni-
> x.org> wrote:
> > Hi
> >
> > Not sure if you have done this already but install multipath as
> the os
> > sees multiple presented luns which needs to be tied up to one by
> > multipath also do not use the rh drivers for you qlogic it's not
> > recommended at all for any storage solutions.
> >
> > Per
>
> Dear Per,
>
> can you please elaborate why the QLogic kernel module shipping with
> CentOS
> 5 / RHEL 5 is not recommended? It for sure is documented to be used at
> least in the NetApp host utilities guide, without any warning to
> prefer
> the driver package provided on the QLogic site. And I do not see any
> problem using it with CentOS / RHEL 5 device-mapper-multipath on a
> lot of
> systems.
>
> Regards
>
> Alexander
>
>
>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos
>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos
>
>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.centos.org/pipermail/centos/attachments/20100108/864be28d/attachment.html>
More information about the CentOS
mailing list