On Mon, Mar 17, 2008 at 5:56 PM, nate <centos@xxxxxxxxxxxxxxxx> wrote:
> I see in the release notes that SAN boot is supported, but
> doesn't give any special instructions.
>
> Anyone else booting CentOS directly from a FC SAN ? Any
> special considerations needed for multipathing and
> stuff when booting ?
Use the 'mpath' when you're installing, and that should pretty much
take care of it. The one issue that we had is that the Centos/RHEL
mpath option defaults to active/active pathing, so storage systems
that use active/passive (like our DS4700) can get angry unless you
change the configuration after install. Also, I've heard reports of
some folks having delays with older HBAs like the qla23xx, needed a
longer timeout than the 250 listed in /proc/scsi/scsi. I've not
confirmed this, and it could simply be related to the way the san is
cabled up or how the zones are defined.
--
During times of universal deceit, telling the truth becomes a revolutionary act.
George Orwell
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