So I've had this raid configuration set up and running for many many months if not years: /dev/md1: Version : 1.2 Creation Time : Sat Dec 26 19:49:41 2015 Raid Level : raid0 Array Size : 1953524736 (1863.03 GiB 2000.41 GB) Raid Devices : 2 Total Devices : 2 Persistence : Superblock is persistent Update Time : Sat Dec 26 19:49:41 2015 State : clean Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 Chunk Size : 512K Name : linux.interlinx.bc.ca:1 (local to host linux.interlinx.bc.ca) UUID : f27ae74d:e2997e50:9df158ee:c5ed3cbb Events : 0 Number Major Minor RaidDevice State 0 8 16 0 active sync /dev/sdb 1 8 32 1 active sync /dev/sdc /dev/md0: Version : 0.90 Creation Time : Mon Jan 26 19:51:38 2009 Raid Level : raid1 Array Size : 1953514496 (1863.02 GiB 2000.40 GB) Used Dev Size : 1953514496 (1863.02 GiB 2000.40 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 0 Persistence : Superblock is persistent Update Time : Fri Apr 8 00:00:42 2016 State : active, degraded Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 UUID : 2f8fc5e0:a0eb646a:2303d005:33f25f21 Events : 0.5031387 Number Major Minor RaidDevice State 0 8 48 0 active sync /dev/sdd 1 0 0 1 removed 2 9 1 - faulty spare /dev/md1 Now out of the blue (or seemingly out of the blue, nothing really comes out of the blue) I am starting to get the md0 array faulting with: [37722.335880] md/raid0:md1: make_request bug: can't convert block across chunks or bigger than 512k 2554601336 124 [37722.335887] md/raid1:md0: md1: rescheduling sector 2554601336 [37722.376776] md/raid1:md0: redirecting sector 2554601336 to other mirror: md1 [37722.386455] md/raid0:md1: make_request bug: can't convert block across chunks or bigger than 512k 2554601336 124 [37722.386461] md/raid1:md0: md1: rescheduling sector 2554601336 [37722.412059] md/raid1:md0: redirecting sector 2554601336 to other mirror: sdd [37722.735049] md/raid0:md1: make_request bug: can't convert block across chunks or bigger than 512k 2554608496 124 [37722.735056] md/raid1:md0: md1: rescheduling sector 2554608496 [37722.789926] md/raid1:md0: redirecting sector 2554608496 to other mirror: md1 [37722.798689] md/raid0:md1: make_request bug: can't convert block across chunks or bigger than 512k 2554608496 124 [37722.798696] md/raid1:md0: md1: rescheduling sector 2554608496 [37722.859314] md/raid1:md0: redirecting sector 2554608496 to other mirror: sdd [37724.819090] md/raid0:md1: make_request bug: can't convert block across chunks or bigger than 512k 2554606584 12 [37724.819096] md/raid1:md0: md1: rescheduling sector 2554606584 [37727.455279] md/raid1:md0: redirecting sector 2554606584 to other mirror: sdd [37752.406865] md/raid0:md1: make_request bug: can't convert block across chunks or bigger than 512k 1748150224 124 [37752.521219] md/raid1:md0: Disk failure on md1, disabling device. [37752.521222] md/raid1:md0: Operation continuing on 1 devices. [37752.580186] RAID1 conf printout: [37752.580190] --- wd:1 rd:2 [37752.580194] disk 0, wo:0, o:1, dev:sdd [37752.580197] disk 1, wo:1, o:0, dev:md1 [37752.580199] RAID1 conf printout: [37752.580201] --- wd:1 rd:2 [37752.580203] disk 0, wo:0, o:1, dev:sdd [37752.580228] BUG: unable to handle kernel paging request at 000000001dff2107 [37752.584011] IP: [<ffffffffa001909a>] close_write+0x6a/0xa0 [raid1] [37752.584011] PGD 20f667067 PUD 20f669067 PMD 0 [37752.584011] Oops: 0000 [#1] SMP [37752.584011] CPU 0 [37752.584011] Modules linked in: iptable_mangle iptable_filter ipt_MASQUERADE xt_tcpudp iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables autofs4 nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm radeon snd_seq_midi ttm drm_kms_helper snd_rawmidi ftdi_sio snd_seq_midi_event snd_seq snd_timer drm ppdev snd_seq_device pl2303 usbserial serio_raw i2c_algo_bit mac_hid asus_atk0110 snd parport_pc parport soundcore snd_page_alloc edac_core edac_mce_amd i2c_piix4 k8temp shpchp 8021q garp stp pata_atiixp r8169 raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid6_pq async_tx raid1 raid0 multipath linear [37752.584011] [37752.584011] Pid: 267, comm: md0_raid1 Not tainted 3.2.0-101-generic #141-Ubuntu System manufacturer System Product Name/M2A-VM [37752.584011] RIP: 0010:[<ffffffffa001909a>] [<ffffffffa001909a>] close_write+0x6a/0xa0 [raid1] [37752.584011] RSP: 0018:ffff88020def9dc0 EFLAGS: 00010246 [37752.584011] RAX: 000000001dff1dff RBX: ffff88020e380108 RCX: 00000000e8e08784 [37752.584011] RDX: 00000000687249a8 RSI: 0000000000000002 RDI: ffff88020e380108 [37752.584011] RBP: ffff88020def9dd0 R08: 00000000e8e08784 R09: 000000000000036b [37752.584011] R10: dead000000100100 R11: dead000000200200 R12: ffff88020e36b800 [37752.584011] R13: ffff88020e380100 R14: ffff88020e380130 R15: ffff88020e380108 [37752.584011] FS: 00007f8e0a353740(0000) GS:ffff88021fc00000(0000) knlGS:00000000f75586c0 [37752.584011] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [37752.584011] CR2: 000000001dff2107 CR3: 000000020f61e000 CR4: 00000000000006f0 [37752.584011] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [37752.584011] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [37752.584011] Process md0_raid1 (pid: 267, threadinfo ffff88020def8000, task ffff88020e2eae00) [37752.584011] Stack: [37752.584011] ffff88020def9e20 ffff88020e36b800 ffff88020def9e60 ffffffffa001cbe5 [37752.584011] ffff88020e380140 ffff880044dbd800 0000000091827364 ffff88020def9df8 [37752.584011] ffff88020def9df8 ffff88020def9e08 ffff88020def9e08 ffff880200000000 [37752.584011] Call Trace: [37752.584011] [<ffffffffa001cbe5>] raid1d+0x2a5/0x2b0 [raid1] [37752.584011] [<ffffffff814f0f9e>] md_thread+0x11e/0x170 [37752.584011] [<ffffffff8108c650>] ? add_wait_queue+0x60/0x60 [37752.584011] [<ffffffff814f0e80>] ? md_rdev_init+0x130/0x130 [37752.584011] [<ffffffff8108bbac>] kthread+0x8c/0xa0 [37752.584011] [<ffffffff816746b4>] kernel_thread_helper+0x4/0x10 [37752.584011] [<ffffffff8108bb20>] ? flush_kthread_worker+0xa0/0xa0 [37752.584011] [<ffffffff816746b0>] ? gs_change+0x13/0x13 [37752.584011] Code: e4 48 8b 53 48 75 de 48 89 d7 e8 e2 cd 14 e1 48 c7 43 48 00 00 00 00 4c 8b 43 18 48 8b 43 20 48 8b 4b 18 48 63 53 10 48 8b 73 08 <48> 8b b8 08 03 00 00 49 c1 e8 03 48 c1 e9 02 41 83 e0 01 83 e1 [37752.584011] RIP [<ffffffffa001909a>] close_write+0x6a/0xa0 [raid1] [37752.584011] RSP <ffff88020def9dc0> [37752.584011] CR2: 000000001dff2107 [37752.889674] ---[ end trace 276f024e11aa62ac ]--- Any ideas what is all of a sudden happening? Cheers, b.
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