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-0005.html>