Qlogic hba + multipathing question 2005-08-19 - By Ed Wilts
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On Fri, Aug 19, 2005 at 03:24:17PM -0700, Tobias Speckbacher wrote:
> I have a couple of hosts hooked up to our new EVA-6000, all hosts have 2
> Qlogic 2340 hba's running across 2 fabrics. The driver is configured to
> utilize multipathing (aware of the support issues).
There are less support issues than we originally thought... You're in
even better shape than I am (EVA5000 based) since you've got an
active/active controller and have more options.
> Everything is working like a charm, i carve out a lun, present it,
> rescan on the host .... it all just works.
>
> The only thing that bugs me is that i can not get the hba's to ignore
> lun 0, thus the system sees it as a scsi device and assigns it
> to /dev/sda.
lun 0 is the controller. You can't do anything about it, nor do you
have to worry about it.
My devices, with the qlogic driver and multipathing, simply come up as
sda1, sdb1, sdc1, etc. I don't have 26 luns so I'm not sure what
happens after sdz1 :-)
--
Ed Wilts, RHCE
Mounds View, MN, USA
mailto:ewilts@(protected)
Member #1, Red Hat Community Ambassador Program
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