mpxio had knowledge of the "original" clariion failover modes. If a
new one has been added then it would have to be re-coded to know of the
new mode, or probably in this case, the raid type.
I'd have to go dig through some of the code but if you know the name of
the emc asymmetric failover module - I think they're all listed in
scsi_vhci.conf - you could try and use that mode for the new LUN ID
instead of trying to fake it out as a symmetric LUN.
Of course mpxio already knows how ALUA failover works so if your array
came up in ALUA mode mpxio should see it out of the box.
On 6/3/2010 3:36 PM, Max Levine wrote:
to clarify I currently use mpxio with clariion raid5 luns in failover
mode 1, so why do I need to use failover mode 4 (ALUA) for raid6 luns?
On Thu, Jun 3, 2010 at 3:25 PM, Max Levine<max...@gmail.com> wrote:
Is there a way to make it work without enabling ALUA? I really dont
want to do that.
On Thu, Jun 3, 2010 at 3:23 PM, Torrey McMahon<tmcmah...@yahoo.com> wrote:
On 6/3/2010 3:13 PM, Max Levine wrote:
I am having a problem configuring a lun (raid-6) from EMC clariion under
mpxio.
the raid-6 luns have a different id than raid5 (DGC VRAID), so I
had to add the following to scsi_vhci.conf:
device-type-scsi-options-list =
"DGC VRAID", "symmetric-option";
symmetric-option = 0x1000000;
Trying to fake out mpxio by telling it that the Clariion is a symmetric
array is a bad idea. Put it into ALUA mode, take out the bits above, and it
should work out of the box.
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