[Ocfs2-devel] Cluster blocked, so as to reboot all nodes to avoid it. Is there any patchs for it? Thanks.

[Joseph Qi]

>From the stack, it seems that it blocks on loading journal during mount.
Has it already been owned by another node?
Try debugfs.ocfs2 'fs_locks -B' and 'dlm_locks xxx' to find out why.

On 2014/8/21 9:07, Guozhonghua wrote:
> Hi, everyone
> 
>  
> 
> And we have the blocked cluster several times, and the log is always, we have to reboot all the node of the cluster to avoid it.
> 
> Is there any patch that had fix this bug?  
> 
> [<ffffffff817539a5>] schedule_timeout+0x1e5/0x250
> 
> [<ffffffff81755a77>] wait_for_completion+0xa7/0x160
> 
> [<ffffffff8109c9b0>] ? try_to_wake_up+0x2c0/0x2c0
> 
> [<ffffffffa0564063>] __ocfs2_cluster_lock.isra.30+0x1f3/0x820 [ocfs2]
> 
>  
> 
>  
> 
> As we test with a lot of node in one cluster, may be ten or twenty nodes, the cluster is always blocked, and the log is below,
> 
> The kernel version is 3.13.6.
> 
>  
> 
>  
> 
> Aug 20 10:05:43 server211 kernel: [82025.281828]       Tainted: GF       W  O 3.13.6 #5
> 
> Aug 20 10:05:43 server211 kernel: [82025.281830] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> 
> Aug 20 10:05:43 server211 kernel: [82025.281833] mount.ocfs2     D 0000000000000000     0 57890  57889 0x00000000
> 
> Aug 20 10:05:43 server211 kernel: [82025.281838]  ffff880427e03888 0000000000000002 ffff880427e03828 ffffffff8101cba3
> 
> Aug 20 10:05:43 server211 kernel: [82025.281842]  ffff8804270a1810 0000000000014440 ffff880427e03fd8 0000000000014440
> 
> Aug 20 10:05:43 server211 kernel: [82025.281845]  ffff88042958e040 ffff8804270a1810 ffff8804270a1810 ffff880427e03a60
> 
> Aug 20 10:05:43 server211 kernel: [82025.281849] Call Trace:
> 
> Aug 20 10:05:43 server211 kernel: [82025.281862]  [<ffffffff8101cba3>] ? native_sched_clock+0x13/0x80
> 
> Aug 20 10:05:43 server211 kernel: [82025.281867]  [<ffffffff817547d9>] schedule+0x29/0x70
> 
> Aug 20 10:05:43 server211 kernel: [82025.281870]  [<ffffffff817539a5>] schedule_timeout+0x1e5/0x250
> 
> Aug 20 10:05:43 server211 kernel: [82025.281874]  [<ffffffff81755a77>] wait_for_completion+0xa7/0x160
> 
> Aug 20 10:05:43 server211 kernel: [82025.281879]  [<ffffffff8109c9b0>] ? try_to_wake_up+0x2c0/0x2c0
> 
> Aug 20 10:05:43 server211 kernel: [82025.281907]  [<ffffffffa0564063>] __ocfs2_cluster_lock.isra.30+0x1f3/0x820 [ocfs2]
> 
> Aug 20 10:05:43 server211 kernel: [82025.281910]  [<ffffffff8175501c>] ? out_of_line_wait_on_bit+0x7c/0x90
> 
> Aug 20 10:05:43 server211 kernel: [82025.281922]  [<ffffffffa0562493>] ? ocfs2_inode_lock_res_init+0x73/0x160 [ocfs2]
> 
> Aug 20 10:05:43 server211 kernel: [82025.281934]  [<ffffffffa05658ca>] ocfs2_inode_lock_full_nested+0x13a/0xb80 [ocfs2]
> 
> Aug 20 10:05:43 server211 kernel: [82025.281958]  [<ffffffffa0576571>] ? ocfs2_iget+0x121/0x7d0 [ocfs2]
> 
> Aug 20 10:05:43 server211 kernel: [82025.281971]  [<ffffffffa057a9f2>] ocfs2_journal_init+0x92/0x480 [ocfs2]
> 
> Aug 20 10:05:43 server211 kernel: [82025.281986]  [<ffffffffa05bc3f1>] ocfs2_fill_super+0x15a1/0x25a0 [ocfs2]
> 
> Aug 20 10:05:43 server211 kernel: [82025.281992]  [<ffffffff81394e49>] ? vsnprintf+0x309/0x600
> 
> Aug 20 10:05:43 server211 kernel: [82025.281998]  [<ffffffff811c4c99>] mount_bdev+0x1b9/0x200
> 
> Aug 20 10:05:43 server211 kernel: [82025.282011]  [<ffffffffa05bae50>] ? ocfs2_initialize_super.isra.208+0x1470/0x1470 [ocfs2]
> 
> Aug 20 10:05:43 server211 kernel: [82025.282022]  [<ffffffffa05adbe5>] ocfs2_mount+0x15/0x20 [ocfs2]
> 
> Aug 20 10:05:43 server211 kernel: [82025.282025]  [<ffffffff811c58c3>] mount_fs+0x43/0x1b0
> 
> Aug 20 10:05:43 server211 kernel: [82025.282029]  [<ffffffff811e0ab6>] vfs_kern_mount+0x76/0x130
> 
> Aug 20 10:05:43 server211 kernel: [82025.282032]  [<ffffffff811e2d47>] do_mount+0x237/0xa90
> 
> Aug 20 10:05:43 server211 kernel: [82025.282037]  [<ffffffff8115800e>] ? __get_free_pages+0xe/0x40
> 
> Aug 20 10:05:43 server211 kernel: [82025.282040]  [<ffffffff811e297a>] ? copy_mount_options+0x3a/0x180
> 
> Aug 20 10:05:43 server211 kernel: [82025.282043]  [<ffffffff811e3920>] SyS_mount+0x90/0xe0
> 
> Aug 20 10:05:43 server211 kernel: [82025.282048]  [<ffffffff81760fbf>] tracesys+0xe1/0xe6
> 
> Aug 20 10:06:01 server211 CRON[803]: (root) CMD (   /opt/bin/tomcat_check.sh)
> 
>  
> 
>  
> 
>  
> 
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