Pre-Script: It's working.
On 6/4/24 19:48, Grant Taylor wrote:
The thing that makes me think that this might be EMC CLARiiON specific
is the following output.
It turns out that I needed to change the initiator configuration on the
EMC for the test system to use fail-over mode 4, which I think is also
known as ALUA.
Now:
% multipath -l
3600601603b1023004677868ab21aef11 dm-0 DGC,RAID 10
size=10G features='1 queue_if_no_path' hwhandler='1 emc' wp=rw
|-+- policy='queue-length 0' prio=0 status=enabled
| `- 0:0:0:0 sda 8:0 failed undef running
`-+- policy='queue-length 0' prio=0 status=enabled
`- 1:0:0:0 sdb 8:16 failed undef running
3600601603b1023008c83299ab21aef11 dm-1 DGC,VRAID
size=100G features='1 queue_if_no_path' hwhandler='1 emc' wp=rw
|-+- policy='queue-length 0' prio=0 status=enabled
| `- 0:0:0:1 sde 8:64 failed undef running
`-+- policy='queue-length 0' prio=0 status=enabled
`- 1:0:0:1 sdf 8:80 failed undef running
Thank you for your input Joost. You confirmed that it should be
working, which was the encouragement that I needed to dig deeper.
--
Grant. . . .