 | | | Qlogic hba + multipathing question | Qlogic hba + multipathing question 2005-08-19 - By Tobias Speckbacher
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On Fri, 2005-08-19 at 18:03 -0500, Ed Wilts wrote:
> 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 :-)
I think after sdz it goes to sdaa (memory kinda foggy on that though)
Since I see the controller as /dev/sda on my systems sda1 is not an
option. Did you mean to start your partition list above with sdb1 or
does your system ignore lun 0 and assign lun 1 to sda ?
>
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