Am Montag, 6. Mai 2013, 10:12:42 schrieb Stefan Borggraefe: > Am Montag, 6. Mai 2013, 16:31:02 schrieb NeilBrown: > > Did you stop the array first? > > > > i.e. > > > > mdadm --stop /dev/md126 > > mdadm -Asfvv > > > > NeilBrown > > Thank you Neil, yes this was my mistake. I realised it in the meantime and > am currently checking the file system using overlay files as suggested in > > https://raid.wiki.kernel.org/index.php/Recovering_a_failed_software_RAID fsck.ext4 -y -C 0 /dev/md126 ended with [7543439.065625] Pid: 13706, comm: fsck.ext4 Tainted: G W O 3.2.0-37- generic #58-Ubuntu [7543439.065627] Call Trace: [7543439.065629] [<ffffffff81067f0f>] warn_slowpath_common+0x7f/0xc0 [7543439.065631] [<ffffffff81067f6a>] warn_slowpath_null+0x1a/0x20 [7543439.065634] [<ffffffffa00aea35>] init_stripe+0x245/0x270 [raid456] [7543439.065637] [<ffffffffa00b2772>] get_active_stripe+0x3a2/0x3c0 [raid456] [7543439.065639] [<ffffffff814e67d9>] ? mddev_bio_destructor+0x19/0x20 [7543439.065641] [<ffffffff8108bbc0>] ? prepare_to_wait+0x60/0x90 [7543439.065644] [<ffffffffa00b5b94>] make_request+0x194/0x430 [raid456] [7543439.065646] [<ffffffff813030d6>] ? throtl_find_tg+0x46/0x60 [7543439.065647] [<ffffffff8108bd20>] ? add_wait_queue+0x60/0x60 [7543439.065650] [<ffffffff814e5f10>] md_make_request+0xd0/0x200 [7543439.065652] [<ffffffff8111b145>] ? mempool_alloc_slab+0x15/0x20 [7543439.065654] [<ffffffff812f2264>] generic_make_request.part.50+0x74/0xb0 [7543439.065656] [<ffffffff812f2678>] generic_make_request+0x68/0x70 [7543439.065658] [<ffffffff812f2705>] submit_bio+0x85/0x110 [7543439.065660] [<ffffffff811afa2a>] ? bio_alloc_bioset+0x5a/0xf0 [7543439.065662] [<ffffffff811a997b>] submit_bh+0xeb/0x120 [7543439.065664] [<ffffffff811ac615>] block_read_full_page+0x225/0x390 [7543439.065666] [<ffffffff811b1700>] ? blkdev_get_blocks+0xd0/0xd0 [7543439.065668] [<ffffffff811190e5>] ? add_to_page_cache_locked+0x85/0xa0 [7543439.065670] [<ffffffff811b0dc8>] blkdev_readpage+0x18/0x20 [7543439.065672] [<ffffffff8111967d>] do_generic_file_read.constprop.33+0x10d/0x440 [7543439.065675] [<ffffffff8111a74f>] generic_file_aio_read+0xef/0x280 [7543439.065677] [<ffffffff813bb14e>] ? tty_wakeup+0x3e/0x80 [7543439.065679] [<ffffffff81178d8a>] do_sync_read+0xda/0x120 [7543439.065681] [<ffffffff8129ee13>] ? security_file_permission+0x93/0xb0 [7543439.065683] [<ffffffff81179211>] ? rw_verify_area+0x61/0xf0 [7543439.065684] [<ffffffff811796f0>] vfs_read+0xb0/0x180 [7543439.065686] [<ffffffff8117980a>] sys_read+0x4a/0x90 [7543439.065688] [<ffffffff81665842>] system_call_fastpath+0x16/0x1b [7543439.065689] ---[ end trace cce84f1e6de88596 ]--- [7543441.630145] quiet_error: 230464 callbacks suppressed I think I will give up here and just start again with a clean RAID6 to copy the data onto anew. -- Best regards, Stefan Borggraefe -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html