From: Joseph Qi <joseph.qi@huawei.com>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] dln domain_map is not consistent after a node was fencing
Date: Tue, 12 Jan 2016 17:27:44 +0800 [thread overview]
Message-ID: <5694C710.5080802@huawei.com> (raw)
In-Reply-To: <D1E4D02760513D4B90DC3B40FF32AF355EE0C84C@H3CMLB12-EX.srv.huawei-3com.com>
Maybe node1 mistaken cleared slots of node2 and node3 when mounting
after system restarted.
So what's the output of slot allocation?
On 2016/1/11 19:52, Shichangkuo wrote:
> Hi,
>
> I have three nodes in one cluster. Node1 disconnect TCP with Node2 and Node3, and then fencing by restarting.
> When re-mounted LUNA on Node1, I found strange issue: Node1 this it was the only node mounted on LUNA, the kernel log as follows:
> Jan 4 16:46:14 cvk12 kernel: [ 99.223321] o2dlm: Joining domain 0400EAB0791F4B4C85F3FCB5AAC76A1D ( 5 ) 1 nodes
>
> I don't think Node1 had a mistake by reading heartbeat on other slots.
> The most possible reason maybe other nodes responded JOIN_OK_NO_MAP after receiving dlm_query_join messages by Node1.
> Threr are two ways to respond JOIN_OK_NO_MAP in dlm_query_join_handler:
> 1) dlm->dlm_state == DLM_CTXT_LEAVING
> 2) dlm->dlm_state == DLM_CTXT_NEW &&
> dlm->joining_node == DLM_LOCK_RES_OWNER_UNKNOWN
> But neither of them is suitable as node already mounted.
> I have no idea about it, If any other encount or familiar with this issue, please let me know.
>
> Thanks,
> Changkuo.
>
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next prev parent reply other threads:[~2016-01-12 9:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-11 11:52 [Ocfs2-devel] dln domain_map is not consistent after a node was fencing Shichangkuo
2016-01-12 2:21 ` Junxiao Bi
2016-01-12 9:27 ` Joseph Qi [this message]
2016-01-13 2:58 ` xuejiufei
2016-01-13 6:07 ` [Ocfs2-devel] 答复: " Shichangkuo
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