hi,
I don't seem to have any luck with this server :-(
configuration: intel atom D510 mainboard, promise SATA300 TX4
controller (4*SATA), 4 WD caviar green 1.5TB disks (sdb, sdc, sdd,
sde)
system on sda, connected to first onboard-SATA port
xfs filesystem
os: centos 5.5
Linux alfred 2.6.18-194.3.1.el5 #1 SMP Thu May 13 13:08:30 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
mdadm - v2.6.9 - 10th March 2009
the latest kernel upgrade seems to have fixed the md/xfs problem under
heavy load, but today most likely a failing external power supply
seems to have caused some disk errors which made md kick out two
drives. /proc/mdstat showed something like [U__U], but unfortunately I
didn't save mdstat the output before powering down the server.
(error log from time of failure at the end of this message)
it is now running on an internal power supply, all SATA disks showed
up during boot, this is what md says:
Jul 21 13:07:49 alfred kernel: md: Autodetecting RAID arrays.
Jul 21 13:07:49 alfred kernel: md: autorun ...
Jul 21 13:07:49 alfred kernel: md: considering sde1 ...
Jul 21 13:07:49 alfred kernel: md: adding sde1 ...
Jul 21 13:07:49 alfred kernel: md: adding sdd1 ...
Jul 21 13:07:49 alfred kernel: md: adding sdc1 ...
Jul 21 13:07:49 alfred kernel: md: adding sdb1 ...
Jul 21 13:07:49 alfred kernel: md: created md0
Jul 21 13:07:49 alfred kernel: md: bind<sdb1>
Jul 21 13:07:49 alfred kernel: md: bind<sdc1>
Jul 21 13:07:49 alfred kernel: md: bind<sdd1>
Jul 21 13:07:49 alfred kernel: md: bind<sde1>
Jul 21 13:07:49 alfred kernel: md: running: <sde1><sdd1><sdc1><sdb1>
Jul 21 13:07:49 alfred kernel: md: kicking non-fresh sde1 from array!
Jul 21 13:07:49 alfred kernel: md: unbind<sde1>
Jul 21 13:07:49 alfred kernel: md: export_rdev(sde1)
Jul 21 13:07:49 alfred kernel: md: kicking non-fresh sdb1 from array!
Jul 21 13:07:49 alfred kernel: md: unbind<sdb1>
Jul 21 13:07:49 alfred kernel: md: export_rdev(sdb1)
Jul 21 13:07:49 alfred kernel: raid5: automatically using best checksumming function: generic_sse
Jul 21 13:07:49 alfred kernel: generic_sse: 5108.000 MB/sec
Jul 21 13:07:49 alfred kernel: raid5: using function: generic_sse (5108.000 MB/sec)
Jul 21 13:07:49 alfred kernel: raid6: int64x1 320 MB/s
Jul 21 13:07:49 alfred kernel: raid6: int64x2 554 MB/s
Jul 21 13:07:49 alfred kernel: raid6: int64x4 644 MB/s
Jul 21 13:07:49 alfred kernel: raid6: int64x8 683 MB/s
Jul 21 13:07:49 alfred kernel: raid6: sse2x1 601 MB/s
Jul 21 13:07:49 alfred kernel: raid6: sse2x2 1093 MB/s
Jul 21 13:07:49 alfred kernel: raid6: sse2x4 1964 MB/s
Jul 21 13:07:49 alfred kernel: raid6: using algorithm sse2x4 (1964 MB/s)
Jul 21 13:07:49 alfred kernel: md: raid6 personality registered for level 6
Jul 21 13:07:49 alfred kernel: md: raid5 personality registered for level 5
Jul 21 13:07:49 alfred kernel: md: raid4 personality registered for level 4
Jul 21 13:07:49 alfred kernel: raid5: device sdd1 operational as raid disk 3
Jul 21 13:07:49 alfred kernel: raid5: device sdc1 operational as raid disk 0
Jul 21 13:07:49 alfred kernel: raid5: not enough operational devices for md0 (2/4 failed)
Jul 21 13:07:49 alfred kernel: RAID5 conf printout:
Jul 21 13:07:49 alfred kernel: --- rd:4 wd:2 fd:2
Jul 21 13:07:49 alfred kernel: disk 0, o:1, dev:sdc1
Jul 21 13:07:49 alfred kernel: disk 3, o:1, dev:sdd1
Jul 21 13:07:49 alfred kernel: raid5: failed to run raid set md0
Jul 21 13:07:49 alfred kernel: md: pers->run() failed ...
Jul 21 13:07:49 alfred kernel: md: do_md_run() returned -5
Jul 21 13:07:49 alfred kernel: md: md0 stopped.
Jul 21 13:07:49 alfred kernel: md: unbind<sdd1>
Jul 21 13:07:49 alfred kernel: md: export_rdev(sdd1)
Jul 21 13:07:49 alfred kernel: md: unbind<sdc1>
Jul 21 13:07:49 alfred kernel: md: export_rdev(sdc1)
Jul 21 13:07:49 alfred kernel: md: ... autorun DONE.
here's what examine says:
[root@alfred log]# mdadm --examine /dev/sdb1
/dev/sdb1:
Magic : a92b4efc
Version : 0.90.00
UUID : 81833582:d651e953:48cc5797:38b256ea
Creation Time : Mon Mar 31 13:30:45 2008
Raid Level : raid5
Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB)
Array Size : 4395407808 (4191.79 GiB 4500.90 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Wed Jul 21 12:17:49 2010
State : active
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Checksum : 6e0ee366 - correct
Events : 196003
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 2 8 17 2 active sync /dev/sdb1
0 0 8 33 0 active sync /dev/sdc1
1 1 8 65 1 active sync /dev/sde1
2 2 8 17 2 active sync /dev/sdb1
3 3 8 49 3 active sync /dev/sdd1
[root@alfred log]# mdadm --examine /dev/sdc1
/dev/sdc1:
Magic : a92b4efc
Version : 0.90.00
UUID : 81833582:d651e953:48cc5797:38b256ea
Creation Time : Mon Mar 31 13:30:45 2008
Raid Level : raid5
Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB)
Array Size : 4395407808 (4191.79 GiB 4500.90 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Wed Jul 21 12:19:50 2010
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 2
Spare Devices : 0
Checksum : 6e11e1ad - correct
Events : 196006
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 0 8 33 0 active sync /dev/sdc1
0 0 8 33 0 active sync /dev/sdc1
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 49 3 active sync /dev/sdd1
/dev/sdd1:
Magic : a92b4efc
Version : 0.90.00
UUID : 81833582:d651e953:48cc5797:38b256ea
Creation Time : Mon Mar 31 13:30:45 2008
Raid Level : raid5
Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB)
Array Size : 4395407808 (4191.79 GiB 4500.90 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Wed Jul 21 12:19:50 2010
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 2
Spare Devices : 0
Checksum : 6e11e1c3 - correct
Events : 196006
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 3 8 49 3 active sync /dev/sdd1
0 0 8 33 0 active sync /dev/sdc1
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 49 3 active sync /dev/sdd1
[root@alfred log]# mdadm --examine /dev/sde1
/dev/sde1:
Magic : a92b4efc
Version : 0.90.00
UUID : 81833582:d651e953:48cc5797:38b256ea
Creation Time : Mon Mar 31 13:30:45 2008
Raid Level : raid5
Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB)
Array Size : 4395407808 (4191.79 GiB 4500.90 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Wed Jul 21 12:17:49 2010
State : active
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Checksum : 6e0ee394 - correct
Events : 196003
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 1 8 65 1 active sync /dev/sde1
0 0 8 33 0 active sync /dev/sdc1
1 1 8 65 1 active sync /dev/sde1
2 2 8 17 2 active sync /dev/sdb1
3 3 8 49 3 active sync /dev/sdd1
is there more information I can help you with?
what am I to do now? assemble with --force ?
the problem occured just about half an hour before I noticed it,
hopefully not much has been lost.
any help appreciated.
here's how it all started:
Jul 21 12:17:49 alfred kernel: ata8.00: exception Emask 0x10 SAct 0x0 SErr 0x190002 action 0xe frozen
Jul 21 12:17:49 alfred kernel: ata5.00: exception Emask 0x10 SAct 0x0 SErr 0x190002 action 0xe frozen
Jul 21 12:17:49 alfred kernel: ata5.00: hotplug_status 0x8
Jul 21 12:17:49 alfred kernel: ata5: SError: { RecovComm PHYRdyChg 10B8B Dispar }
Jul 21 12:17:49 alfred kernel: ata5.00: cmd c8/00:10:bf:dd:30/00:00:00:00:00/e8 tag 0 dma 8192 in
Jul 21 12:17:49 alfred kernel: res ff/ff:ff:ff:ff:ff/00:00:00:00:00/ff Emask 0x12 (ATA bus error)
Jul 21 12:17:49 alfred kernel: ata5.00: status: { Busy }
Jul 21 12:17:49 alfred kernel: ata5.00: error: { ICRC UNC IDNF ABRT }
Jul 21 12:17:49 alfred kernel: ata5: hard resetting link
Jul 21 12:17:49 alfred kernel: ata8.00: hotplug_status 0x4
Jul 21 12:17:49 alfred kernel: ata8: SError: { RecovComm PHYRdyChg 10B8B Dispar }
Jul 21 12:17:49 alfred kernel: ata8.00: cmd c8/00:10:bf:dd:30/00:00:00:00:00/e8 tag 0 dma 8192 in
Jul 21 12:17:49 alfred kernel: res ff/ff:ff:ff:ff:ff/00:00:00:00:00/ff Emask 0x12 (ATA bus error)
Jul 21 12:17:49 alfred kernel: ata8.00: status: { Busy }
Jul 21 12:17:49 alfred kernel: ata8.00: error: { ICRC UNC IDNF ABRT }
Jul 21 12:17:49 alfred kernel: ata8: hard resetting link
Jul 21 12:17:55 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:17:55 alfred kernel: ata5: link is slow to respond, please be patient (ready=-19)
Jul 21 12:17:59 alfred kernel: ata5: COMRESET failed (errno=-16)
Jul 21 12:17:59 alfred kernel: ata5: hard resetting link
Jul 21 12:17:59 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:17:59 alfred kernel: ata8: hard resetting link
Jul 21 12:18:05 alfred kernel: ata5: link is slow to respond, please be patient (ready=-19)
Jul 21 12:18:05 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:18:09 alfred kernel: ata5: COMRESET failed (errno=-16)
Jul 21 12:18:09 alfred kernel: ata5: hard resetting link
Jul 21 12:18:09 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:18:09 alfred kernel: ata8: hard resetting link
Jul 21 12:18:15 alfred kernel: ata5: link is slow to respond, please be patient (ready=-19)
Jul 21 12:18:15 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:18:44 alfred kernel: ata5: COMRESET failed (errno=-16)
Jul 21 12:18:44 alfred kernel: ata5: limiting SATA link speed to 1.5 Gbps
Jul 21 12:18:44 alfred kernel: ata5: hard resetting link
Jul 21 12:18:44 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:18:44 alfred kernel: ata8: limiting SATA link speed to 1.5 Gbps
Jul 21 12:18:44 alfred kernel: ata8: hard resetting link
Jul 21 12:18:49 alfred kernel: ata5: COMRESET failed (errno=-16)
Jul 21 12:18:49 alfred kernel: ata5: reset failed, giving up
Jul 21 12:18:49 alfred kernel: ata5.00: disabled
Jul 21 12:18:49 alfred kernel: ata5: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen t4
Jul 21 12:18:49 alfred kernel: ata5: hotplug_status 0x80
Jul 21 12:18:49 alfred kernel: ata5: hard resetting link
Jul 21 12:18:49 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:18:49 alfred kernel: ata8: reset failed, giving up
Jul 21 12:18:49 alfred kernel: ata8.00: disabled
Jul 21 12:18:49 alfred kernel: ata8: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen t4
Jul 21 12:18:49 alfred kernel: ata8: hotplug_status 0x40
Jul 21 12:18:49 alfred kernel: ata8: hard resetting link
Jul 21 12:18:55 alfred kernel: ata5: link is slow to respond, please be patient (ready=-19)
Jul 21 12:18:55 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:18:59 alfred kernel: ata5: COMRESET failed (errno=-16)
Jul 21 12:18:59 alfred kernel: ata5: hard resetting link
Jul 21 12:18:59 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:18:59 alfred kernel: ata8: hard resetting link
Jul 21 12:19:05 alfred kernel: ata5: link is slow to respond, please be patient (ready=-19)
Jul 21 12:19:05 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:19:09 alfred kernel: ata5: COMRESET failed (errno=-16)
Jul 21 12:19:09 alfred kernel: ata5: hard resetting link
Jul 21 12:19:09 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:19:09 alfred kernel: ata8: hard resetting link
Jul 21 12:19:15 alfred kernel: ata5: link is slow to respond, please be patient (ready=-19)
Jul 21 12:19:15 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:19:44 alfred kernel: ata5: COMRESET failed (errno=-16)
Jul 21 12:19:44 alfred kernel: ata5: limiting SATA link speed to 1.5 Gbps
Jul 21 12:19:44 alfred kernel: ata5: hard resetting link
Jul 21 12:19:44 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:19:44 alfred kernel: ata8: limiting SATA link speed to 1.5 Gbps
Jul 21 12:19:44 alfred kernel: ata8: hard resetting link
Jul 21 12:19:49 alfred kernel: ata5: COMRESET failed (errno=-16)
Jul 21 12:19:49 alfred kernel: ata5: reset failed, giving up
Jul 21 12:19:49 alfred kernel: sd 4:0:0:0: SCSI error: return code = 0x0f000002
Jul 21 12:19:49 alfred kernel: sdb: Current [descriptor]: sense key: Aborted Command
Jul 21 12:19:49 alfred kernel: Add. Sense: Scsi parity error
Jul 21 12:19:49 alfred kernel:
Jul 21 12:19:49 alfred kernel: Descriptor sense data with sense descriptors (in hex):
Jul 21 12:19:49 alfred kernel: 72 0b 47 00 00 00 00 0c 00 0a 80 00 00 00 00 00
Jul 21 12:19:49 alfred kernel: 0f ff ff ff
Jul 21 12:19:49 alfred kernel: end_request: I/O error, dev sdb, sector 137420223
Jul 21 12:19:49 alfred kernel: sd 4:0:0:0: rejecting I/O to offline device
Jul 21 12:19:49 alfred kernel: raid5: Disk failure on sdb1, disabling device. Operation continuing on 3 devices
Jul 21 12:19:49 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:19:49 alfred kernel: ata8: reset failed, giving up
Jul 21 12:19:49 alfred kernel: sd 7:0:0:0: SCSI error: return code = 0x0f000002
Jul 21 12:19:49 alfred kernel: sde: Current [descriptor]: sense key: Aborted Command
Jul 21 12:19:49 alfred kernel: Add. Sense: Scsi parity error
Jul 21 12:19:49 alfred kernel:
Jul 21 12:19:49 alfred kernel: Descriptor sense data with sense descriptors (in hex):
Jul 21 12:19:49 alfred kernel: 72 0b 47 00 00 00 00 0c 00 0a 80 00 00 00 00 00
Jul 21 12:19:49 alfred kernel: 0f ff ff ff
Jul 21 12:19:49 alfred kernel: end_request: I/O error, dev sde, sector 137420223
Jul 21 12:19:49 alfred kernel: raid5:md0: read error not correctable (sector 137420160 on sde1).
Jul 21 12:19:49 alfred kernel: raid5: Disk failure on sde1, disabling device. Operation continuing on 2 devices
Jul 21 12:19:49 alfred kernel: raid5:md0: read error not correctable (sector 137420168 on sde1).
Jul 21 12:19:49 alfred kernel: sd 7:0:0:0: rejecting I/O to offline device
Jul 21 12:19:49 alfred kernel: ata8: EH complete
Jul 21 12:19:49 alfred kernel: ata8.00: detaching (SCSI 7:0:0:0)
Jul 21 12:19:49 alfred kernel: sd 7:0:0:0: SCSI error: return code = 0x00010000
Jul 21 12:19:49 alfred kernel: end_request: I/O error, dev sde, sector 994425503
Jul 21 12:19:49 alfred kernel: raid5:md0: read error not correctable (sector 994425440 on sde1).
Jul 21 12:19:49 alfred kernel: raid5:md0: read error not correctable (sector 994425448 on sde1).
Jul 21 12:19:49 alfred kernel: raid5:md0: read error not correctable (sector 994425456 on sde1).
Jul 21 12:19:49 alfred kernel: raid5:md0: read error not correctable (sector 994425464 on sde1).
Jul 21 12:19:49 alfred kernel: sd 4:0:0:0: rejecting I/O to offline device
Jul 21 12:19:49 alfred kernel: raid5:md0: read error not correctable (sector 994467168 on sdb1).
Jul 21 12:19:49 alfred kernel: raid5:md0: read error not correctable (sector 994467176 on sdb1).
Jul 21 12:19:49 alfred kernel: raid5:md0: read error not correctable (sector 994467184 on sdb1).
Jul 21 12:19:49 alfred kernel: sd 4:0:0:0: SCSI error: return code = 0x00010000
Jul 21 12:19:49 alfred kernel: end_request: I/O error, dev sdb, sector 372254543
Jul 21 12:19:49 alfred kernel: raid5:md0: read error not correctable (sector 372254480 on sdb1).
Jul 21 12:19:49 alfred kernel: ata5: EH complete
Jul 21 12:19:49 alfred kernel: ata8: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen
Jul 21 12:19:49 alfred kernel: ata8: hotplug_status 0x44
Jul 21 12:19:49 alfred kernel: ata8: hard resetting link
Jul 21 12:19:49 alfred kernel: ata5.00: detaching (SCSI 4:0:0:0)
Jul 21 12:19:49 alfred kernel: RAID5 conf printout:
Jul 21 12:19:49 alfred kernel: --- rd:4 wd:2 fd:2
Jul 21 12:19:49 alfred kernel: disk 0, o:1, dev:sdc1
Jul 21 12:19:49 alfred kernel: disk 1, o:0, dev:sde1
Jul 21 12:19:49 alfred kernel: disk 2, o:0, dev:sdb1
Jul 21 12:19:49 alfred kernel: disk 3, o:1, dev:sdd1
Jul 21 12:19:49 alfred kernel: RAID5 conf printout:
Jul 21 12:19:49 alfred kernel: --- rd:4 wd:2 fd:2
Jul 21 12:19:49 alfred kernel: disk 0, o:1, dev:sdc1
Jul 21 12:19:49 alfred kernel: disk 2, o:0, dev:sdb1
Jul 21 12:19:49 alfred kernel: disk 3, o:1, dev:sdd1
Jul 21 12:19:49 alfred kernel: RAID5 conf printout:
Jul 21 12:19:49 alfred kernel: --- rd:4 wd:2 fd:2
Jul 21 12:19:49 alfred kernel: disk 0, o:1, dev:sdc1
Jul 21 12:19:49 alfred kernel: disk 2, o:0, dev:sdb1
Jul 21 12:19:49 alfred kernel: disk 3, o:1, dev:sdd1
Jul 21 12:19:49 alfred kernel: RAID5 conf printout:
Jul 21 12:19:49 alfred kernel: --- rd:4 wd:2 fd:2
Jul 21 12:19:49 alfred kernel: disk 0, o:1, dev:sdc1
Jul 21 12:19:49 alfred kernel: disk 3, o:1, dev:sdd1
Jul 21 12:19:49 alfred kernel: I/O error in filesystem ("md0") meta-data dev md0 block 0x83027ff8 ("xlog_io
done") error 5 buf count 4096
Jul 21 12:19:49 alfred kernel: xfs_force_shutdown(md0,0x2) called from line 1062 of file fs/xfs/xfs_log.c. Retur
n address = 0xffffffff8837fefc
Jul 21 12:19:49 alfred kernel: Filesystem "md0": Log I/O Error Detected. Shutting down filesystem: md0
Jul 21 12:19:49 alfred kernel: Please umount the filesystem, and rectify the problem(s)
Jul 21 12:19:49 alfred kernel: Buffer I/O error on device md0, logical block 372909507
Jul 21 12:19:49 alfred kernel: lost page write due to I/O error on md0
Jul 21 12:19:49 alfred kernel: Buffer I/O error on device md0, logical block 372909508
Jul 21 12:19:49 alfred kernel: lost page write due to I/O error on md0
Jul 21 12:19:49 alfred kernel: Buffer I/O error on device md0, logical block 346005012
Jul 21 12:19:49 alfred kernel: lost page write due to I/O error on md0
Jul 21 12:19:49 alfred kernel: Buffer I/O error on device md0, logical block 346005013
Jul 21 12:19:49 alfred kernel: lost page write due to I/O error on md0
Jul 21 12:19:49 alfred kernel: Buffer I/O error on device md0, logical block 346005014
Jul 21 12:19:49 alfred kernel: lost page write due to I/O error on md0
Jul 21 12:19:49 alfred kernel: Buffer I/O error on device md0, logical block 346005015
Jul 21 12:19:49 alfred kernel: lost page write due to I/O error on md0
Jul 21 12:19:49 alfred kernel: Buffer I/O error on device md0, logical block 346005016
Jul 21 12:19:49 alfred kernel: lost page write due to I/O error on md0
Jul 21 12:19:49 alfred kernel: Buffer I/O error on device md0, logical block 346005017
Jul 21 12:19:49 alfred kernel: lost page write due to I/O error on md0
Jul 21 12:19:49 alfred kernel: Buffer I/O error on device md0, logical block 346005018
Jul 21 12:19:49 alfred kernel: lost page write due to I/O error on md0
Jul 21 12:19:49 alfred kernel: Buffer I/O error on device md0, logical block 346005019
Jul 21 12:19:49 alfred kernel: lost page write due to I/O error on md0
Jul 21 12:19:50 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:19:55 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:19:59 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:19:59 alfred kernel: ata8: hard resetting link
Jul 21 12:20:05 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:20:09 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:20:09 alfred kernel: ata8: hard resetting link
Jul 21 12:20:15 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:20:19 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:20:44 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:20:44 alfred kernel: ata8: limiting SATA link speed to 1.5 Gbps
Jul 21 12:20:44 alfred kernel: ata8: hard resetting link
Jul 21 12:20:49 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:20:49 alfred kernel: ata8: reset failed, giving up
Jul 21 12:20:49 alfred kernel: ata8: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen t4
Jul 21 12:20:49 alfred kernel: ata8: hotplug_status 0x44
Jul 21 12:20:49 alfred kernel: ata8: hard resetting link
Jul 21 12:20:49 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:20:55 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:20:59 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:20:59 alfred kernel: ata8: hard resetting link
Jul 21 12:21:05 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:21:09 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:21:09 alfred kernel: ata8: hard resetting link
Jul 21 12:21:15 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:21:19 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:21:44 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:21:44 alfred kernel: ata8: limiting SATA link speed to 1.5 Gbps
Jul 21 12:21:44 alfred kernel: ata8: hard resetting link
Jul 21 12:21:49 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:21:49 alfred kernel: ata8: reset failed, giving up
Jul 21 12:21:49 alfred kernel: ata8: EH complete
Jul 21 12:21:49 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:35:19 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:35:21 alfred kernel: ata8: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen
Jul 21 12:35:21 alfred kernel: ata8: hotplug_status 0x44
Jul 21 12:35:21 alfred kernel: ata8: hard resetting link
Jul 21 12:35:27 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:35:31 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:35:31 alfred kernel: ata8: hard resetting link
Jul 21 12:35:37 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:35:41 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:35:41 alfred kernel: ata8: hard resetting link
Jul 21 12:35:47 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:35:49 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:36:16 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:36:16 alfred kernel: ata8: limiting SATA link speed to 1.5 Gbps
Jul 21 12:36:16 alfred kernel: ata8: hard resetting link
Jul 21 12:36:19 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:36:21 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:36:21 alfred kernel: ata8: reset failed, giving up
Jul 21 12:36:21 alfred kernel: ata8: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen t4
Jul 21 12:36:21 alfred kernel: ata8: hotplug_status 0x44
Jul 21 12:36:21 alfred kernel: ata8: hard resetting link
Jul 21 12:36:27 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:36:31 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:36:31 alfred kernel: ata8: hard resetting link
Jul 21 12:36:37 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:36:41 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:36:41 alfred kernel: ata8: hard resetting link
Jul 21 12:36:47 alfred kernel: ata8: link is slow to respond, please be patient (ready=-19)
Jul 21 12:36:49 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:37:16 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:37:16 alfred kernel: ata8: limiting SATA link speed to 1.5 Gbps
Jul 21 12:37:16 alfred kernel: ata8: hard resetting link
Jul 21 12:37:19 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:37:21 alfred kernel: ata8: COMRESET failed (errno=-16)
Jul 21 12:37:21 alfred kernel: ata8: reset failed, giving up
Jul 21 12:37:21 alfred kernel: ata8: EH complete
Jul 21 12:37:49 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:45:19 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:45:49 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:46:19 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:46:49 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:48:19 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:56:49 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:58:19 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:58:26 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:58:26 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:58:26 alfred kernel: xfs_force_shutdown(md0,0x1) called from line 420 of file fs/xfs/xfs_rw.c. Return
address = 0xffffffff88391cfd
Jul 21 12:58:49 alfred kernel: Filesystem "md0": xfs_log_force: error 5 returned.
Jul 21 12:58:52 alfred kernel: printk: 736 messages suppressed.
(shutdown performed here)
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