Hi, "status = -30" means it has encountered EROFS when start transaction. And system panic is because s_mount_opt is set to OCFS2_MOUNT_ERRORS_PANIC in __ocfs2_abort, ideal with OCFS2_MOUNT_ERRORS_PANIC first in ocfs2_handle_error. so I think that it is not reasonable, Therefore, this setting shall be canceled in __ocfs2_abort. thanks
________________________________ zhangguanghui From: Joseph Qi<mailto:joseph...@huawei.com> Date: 2015-10-14 16:13 To: zhangguanghui 10102 (CCPL)<mailto:zhang.guang...@h3c.com> CC: mfasheh ><mailto:mfas...@suse.de>; 'ocfs2-users@oss.oracle.com' (ocfs2-users@oss.oracle.com)<mailto:ocfs2-users@oss.oracle.com>; ocfs2-de...@oss.oracle.com<mailto:ocfs2-de...@oss.oracle.com>; rgoldwyn<mailto:rgold...@suse.com> Subject: Re: [Ocfs2-devel] Ocfs2-devel Digest, Vol 138, Issue 31 review On 2015/10/14 15:49, Zhangguanghui wrote: > OCFS2 is often used in high-availaibility systems, This patch enhances > robustness for the filesystem. > but storage network is unstable，it still triggers a panic， such as > ocfs2_start_trans -> __ocfs2_abort ->panic. > The 's_mount_opt' should depend on the mount option set, If errors=continue > is set, > mark as a EIO error, change OCFS2_MOUNT_ERRORS_PANIC to > OCFS2_MOUNT_ERRORS_CONT in __ocfs2_abort; > it's better than forcing a panic without decreasing > availability,errors=continue seems be well to me. > > Finally, any feedback about this process (positive or negative) would be > greatly appreciated. > > Aug 11 11:32:25 cvknode73 kernel: [678904.787906] > (pool,23256,12):ocfs2_start_trans:367 ERROR: status = -30 > > Aug 11 11:32:25 cvknode73 kernel: [678904.825046] CPU: 12 PID: 23256 > Comm: pool Tainted: GF W IO 3.13.6 #1 > Aug 11 11:32:25 cvknode73 kernel: [678904.825050] Hardware name: HP > ProLiant BL460c G7, BIOS I27 12/03/2012 > Aug 11 11:32:25 cvknode73 kernel: [678904.825054] ffffffffffffffe2 > ffff88108c945a88 ffffffff81750690 ffff88180bacfff0 > Aug 11 11:32:25 cvknode73 kernel: [678904.825064] ffff88174196d000 > ffff88108c945ad8 ffffffffa052f667 ffffffffffffffe2 > Aug 11 11:32:25 cvknode73 kernel: [678904.825072] 0000000000001000 > ffff88108c945b58 ffff88175e870000 ffff8811ada4f000 > Aug 11 11:32:25 cvknode73 kernel: [678904.825087] Call Trace: > Aug 11 11:32:25 cvknode73 kernel: [678904.825103] [<ffffffff81750690>] > dump_stack+0x46/0x58 > Aug 11 11:32:25 cvknode73 kernel: [678904.825154] [<ffffffffa052f667>] > ocfs2_start_trans+0x1d7/0x200 [ocfs2] > Aug 11 11:32:25 cvknode73 kernel: [678904.825183] [<ffffffffa0505b60>] > ocfs2_write_begin_nolock+0xda0/0x1c70 [ocfs2] > Aug 11 11:32:25 cvknode73 kernel: [678904.825216] [<ffffffffa052b7cb>] ? > ocfs2_read_inode_block_full+0x3b/0x60 [ocfs2] > Aug 11 11:32:25 cvknode73 kernel: [678904.825248] [<ffffffffa051a82f>] ? > ocfs2_inode_lock_full_nested+0x52f/0xc60 [ocfs2] > Aug 11 11:32:25 cvknode73 kernel: [678904.825277] [<ffffffffa0516060>] ? > ocfs2_should_refresh_lock_res+0x80/0x190 [ocfs2] > Aug 11 11:32:25 cvknode73 kernel: [678904.825304] [<ffffffffa0506b36>] > ocfs2_write_begin+0x106/0x230 [ocfs2] > Aug 11 11:32:25 cvknode73 kernel: [678904.825330] [<ffffffffa05180ab>] ? > __ocfs2_cluster_unlock.isra.27+0x9b/0xe0 [ocfs2] > Aug 11 11:32:25 cvknode73 kernel: [678904.825342] [<ffffffff8115342b>] > generic_file_buffered_write+0xfb/0x280 > Aug 11 11:32:25 cvknode73 kernel: [678904.825370] [<ffffffffa051a1c5>] ? > ocfs2_rw_lock+0x75/0x1b0 [ocfs2] > Aug 11 11:32:25 cvknode73 kernel: [678904.825398] [<ffffffffa0527f3f>] > ocfs2_file_aio_write+0x79f/0x830 [ocfs2] > Aug 11 11:32:25 cvknode73 kernel: [678904.825407] [<ffffffff811c14ba>] > do_sync_write+0x5a/0x90 > Aug 11 11:32:25 cvknode73 kernel: [678904.825413] [<ffffffff811c1fc5>] > vfs_write+0xc5/0x1f0 > Aug 11 11:32:25 cvknode73 kernel: [678904.825418] [<ffffffff811c24c2>] > SyS_write+0x52/0xa0 > Aug 11 11:32:25 cvknode73 kernel: [678904.825426] [<ffffffff8176106d>] > system_call_fastpath+0x1a/0x1f > Aug 11 11:32:25 cvknode73 kernel: [678904.825431] OCFS2: abort (device > sdu): ocfs2_start_trans: Detected aborted journal > "status = -30" means it has encountered EROFS when start transaction. And system panic is because you mount with option "errors=panic", while default is "errors=remount-ro" rather than panic. Change it to "errors=continue" will proceed even if filesystem encounters errors (default will set it to readonly). 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