[Ocfs2-users] OCFS2 “Heartbeat generation mismatch on device” error when mounting iscsi target

[Danijel Krmar]

No, nothing there:
$ ps aux | grep o2hb
root      5724  0.0  0.0   8320   888 pts/0    S+   22:30   0:00 grep --color o2hb

Still the same error if i try to mount the iSCSI disk:
o2hb_check_own_slot:590 ERROR: Heartbeat generation mismatch on device (sdb): expected(2:0x2f32486d4c54730a, 0x54d926d7), ondisk(2:0xb016e6a72676a791, 0x54d926d7)

As said, there are no such problems on other machines, just this one. I can’t get my head around this "Heartbeat generation mismatch” error message. 

-- 
Danijel Krmar
A51 D.O.O.
Novi Sad
https://www.activecollab.com/

On February 9, 2015 at 8:09:06 PM, Sunil Mushran (sunil.mushran at gmail.com) wrote:

On node 2, do:
ps aux | grep o2hb

I suspect you have multiple o2hb threads running. If so, restart the o2cb cluster on that node.

On Mon, Feb 9, 2015 at 10:08 AM, Danijel Krmar <danijel.krmar at activecollab.com> wrote:
As said in the title, when I want to mount a iSCSI target on one machine I get the following error:


(o2hb-3F92114867,7826,3):o2hb_check_own_slot:590 ERROR: Heartbeat generation mismatch on device (sdb): expected(2:0xa0cf28215b4b1ed3, 0x54d8a036), ondisk(2:0xb016e6a72676a791, 0x54d8a037)

The same iSCSI target is working on other machines.

Any idea what this error means? 


-- 
Danijel Krmar
A51 D.O.O.
Novi Sad
https://www.activecollab.com/

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