On 19/10/12 09:27 PM, Edward Ned Harvey
(opensolarisisdeadlongliveopensolaris) wrote:
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
boun...@opensolaris.org] On Behalf Of James C. McPherson

As far as I'm aware, having an rpool on multipathed devices is fine.

Even a year ago, a new system I bought from Oracle came with multipath
devices for all devices by default.  Granted, there weren't any
multiple paths on that system...  But it was using the multipath device
names.  I expect this is the new default for everything moving

All-MPxIO, All The Time is actually something we've been wanting
to do for quite some time now.

When we introduced fibrechannel support on x86/x64, it was decided
that MPxIO would be on by default. Likewise, with the mpt_sas and
pmcs 2nd generation SAS drivers, MPxIO is on by default. For legacy
mpt and FC on sparc it's off by default, but it's very easy to turn

James C. McPherson
Systems / Solaris / Core
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