[ovirt-users] iscsi failover MD3820i

Marcin Kruk askifyouneed at gmail.com
Tue Mar 7 21:43:45 UTC 2017


Hello I have got Dell MD3820i and four interfaces which was connected to
the hostst via switches.

But there is only one IP which I can set during the configuration of iSCSI
RHV storage.
Everything has been fine until I pluged off cable from the storage NIC
interface with IP configured in the RHV iSCSI section.

Now VDSMD got problem because it tries to connect via iscsiadm with exact
IP and does not use the configuration from the /var/lib/iscsi/, where are
tree extra paths to achive the LUN. In multipath -ll I see an active path,
of course with the second storage interface IP

systemctl status vdsmd:
   CGroup: /system.slice/vdsmd.service
           ├─4975 /usr/bin/python /usr/share/vdsm/vdsm
           ├─5558 /usr/bin/sudo -n /usr/sbin/iscsiadm -m node -T
iqn.1984-05.com.dell:powervault.md3800i.600a098000ae589c000000005893ade2 -I
default -p 192...
           └─5559 /usr/sbin/iscsiadm -m node -T
iqn.1984-05.com.dell:powervault.md3800i.600a098000ae589c000000005893ade2 -I
default -p 192.168.130.101 32...
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