iscsi session are same on RHEL servers but multipath do not show all paths for some servers
Issue
- We have shared the lun to through linux virtual machines. The iscsi session are same and multipath its showing different.
Example 1:-
Host01:
Red Hat Enterprise Linux Server release 6.3 (Santiago)
Linux Host01 2.6.32-279.el6.x86_64 #1 SMP Wed Jun 13 18:24:36 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux
[root@Host01~]# iscsiadm -m session
tcp: [1] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438054
tcp: [2] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438051
tcp: [3] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d3100043804f
tcp: [4] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438055
tcp: [5] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438050
tcp: [6] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438056
tcp: [7] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438052
tcp: [8] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438053
[root@Host01 ~]# multipath -ll
mpathb (36000d3100043800000000000000000ba) dm-1 COMPELNT,Compellent Vol
size=20G features='1 queue_if_no_path' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=1 status=active
|- 3:0:0:1 sda 8:0 active ready running
|- 8:0:0:1 sdd 8:48 active ready running
|- 4:0:0:1 sdb 8:16 active ready running
`- 6:0:0:1 sdc 8:32 active ready running
Example 2:-
Host02
Red Hat Enterprise Linux Server release 6.3 (Santiago)
Linux Host02 2.6.32-279.el6.x86_64 #1 SMP Wed Jun 13 18:24:36 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux
[root@Host02 ~]# iscsiadm -m session
tcp: [1] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438054
tcp: [2] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438050
tcp: [3] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438053
tcp: [4] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438056
tcp: [5] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438051
tcp: [6] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438055
tcp: [7] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d31000438052
tcp: [8] 10.x.x.x:3260,0 iqn.2002-03.com.compellent:5000d3100043804f
[root@Host02 ~]# multipath -ll
36000d31000438000000000000000006b dm-2 COMPELNT,Compellent Vol
size=100G features='1 queue_if_no_path' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=1 status=active
`- 8:0:0:1 sda 8:0 active ready running
- We want to know why the multipath shows different output for these servers?
Environment
- Red Hat Enterprise Linux 6
- ISCSI
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