Removing iSCSI domain: host side part

Thursday, 13 July 2017

Hello,
I have cleanly removed an iSCSI domain from oVirt. There is another one
(connecting to another storage array) that is the master domain.
But I see that oVirt hosts still maintain the iscsi session to the LUN.
So I want to clean from os point of view before removing the LUN itself
from storage.

At the moment I still see the multipath lun on both hosts

[root@ov301 network-scripts]# multipath -l
. . .
364817197b5dfd0e5538d959702249b1c dm-2 EQLOGIC ,100E-00
size=4.0T features='0' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=0 status=active
  |- 9:0:0:0  sde 8:64  active undef  running
  `- 10:0:0:0 sdf 8:80  active undef  running

and
[root@ov301 network-scripts]# iscsiadm -m session
tcp: [1] 10.10.100.9:3260,1
iqn.2001-05.com.equallogic:4-771816-e5d0dfb59-1c9b240297958d53-ovsd3910
(non-flash)
tcp: [2] 10.10.100.9:3260,1
iqn.2001-05.com.equallogic:4-771816-e5d0dfb59-1c9b240297958d53-ovsd3910
(non-flash)
. . .

Do I have to clean the multipath paths and multipath device and then iSCSI
logout, or is it sufficient to iSCSI logout and the multipath device and
its path will be cleanly removed from OS point of view?

I would like not to have multipath device in stale condition.

Thanks
Gianluca

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