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[debian-users:52826] bad blocks のチェック(md)
渡辺と申します。お世話になります。
Lenny にて、RAID1 を行っております。
[ 40.015849] PCI: Setting latency timer of device 0000:00:1b.0 to 64
[ 128.371130] ata2.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
[ 128.371130] ata2.00: irq_stat 0x40000008
[ 128.371130] ata2.00: cmd 60/00:00:f7:06:14/02:00:00:00:00/40 tag 0 ncq 262144 in
[ 128.371130] res 51/40:00:59:08:14/23:00:00:00:00/00 Emask 0x409 (media error) <F>
[ 128.371130] ata2.00: status: { DRDY ERR }
[ 128.371130] ata2.00: error: { UNC }
[ 128.465648] ata2.00: configured for UDMA/133
[ 128.465648] ata2: EH complete
[ 128.465648] sd 1:0:0:0: [sdb] 156301488 512-byte hardware sectors (80026 MB)
[ 128.465648] sd 1:0:0:0: [sdb] Write Protect is off
[ 128.465648] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 128.465648] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 138.993716] ata2.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
[ 138.993716] ata2.00: irq_stat 0x40000008
[ 138.993716] ata2.00: cmd 60/00:00:f7:06:14/02:00:00:00:00/40 tag 0 ncq 262144 in
[ 138.993716] res 51/40:00:64:08:14/24:00:00:00:00/00 Emask 0x409 (media error) <F>
[ 138.997125] ata2.00: status: { DRDY ERR }
[ 138.997163] ata2.00: error: { UNC }
[ 139.087233] ata2.00: configured for UDMA/133
[ 139.087233] ata2: EH complete
[ 139.087233] sd 1:0:0:0: [sdb] 156301488 512-byte hardware sectors (80026 MB)
[ 139.087233] sd 1:0:0:0: [sdb] Write Protect is off
[ 139.087233] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 139.087233] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 157.206083] ata2.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
[ 157.206083] ata2.00: irq_stat 0x40000008
[ 157.206083] ata2.00: cmd 60/08:00:e7:b1:19/00:00:00:00:00/40 tag 0 ncq 4096 in
[ 157.206083] res 51/40:08:e9:b1:19/24:00:00:00:00/00 Emask 0x409 (media error) <F>
[ 157.206083] ata2.00: status: { DRDY ERR }
[ 157.206083] ata2.00: error: { UNC }
[ 157.283581] ata2.00: configured for UDMA/133
[ 157.283581] ata2: EH complete
[ 157.283581] sd 1:0:0:0: [sdb] 156301488 512-byte hardware sectors (80026 MB)
[ 157.283581] sd 1:0:0:0: [sdb] Write Protect is off
[ 157.343576] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 157.343599] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 179.982854] ata2.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
[ 179.982854] ata2.00: irq_stat 0x40000008
[ 179.982854] ata2.00: cmd 60/28:00:7f:40:03/00:00:00:00:00/40 tag 0 ncq 20480 in
[ 179.982854] res 51/40:28:81:40:03/24:00:00:00:00/00 Emask 0x409 (media error) <F>
[ 179.982854] ata2.00: status: { DRDY ERR }
[ 179.982854] ata2.00: error: { UNC }
[ 180.055303] ata2.00: configured for UDMA/133
[ 180.055303] ata2: EH complete
[ 180.055303] sd 1:0:0:0: [sdb] 156301488 512-byte hardware sectors (80026 MB)
[ 180.055303] sd 1:0:0:0: [sdb] Write Protect is off
[ 180.055303] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 180.055303] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 182.754888] ata2.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
[ 182.754888] ata2.00: irq_stat 0x40000008
[ 182.754888] ata2.00: cmd 60/28:00:7f:40:03/00:00:00:00:00/40 tag 0 ncq 20480 in
[ 182.754888] res 51/40:28:81:40:03/24:00:00:00:00/00 Emask 0x409 (media error) <F>
[ 182.754888] ata2.00: status: { DRDY ERR }
[ 182.754888] ata2.00: error: { UNC }
[ 182.831697] ata2.00: configured for UDMA/133
[ 182.831697] ata2: EH complete
[ 182.831697] sd 1:0:0:0: [sdb] 156301488 512-byte hardware sectors (80026 MB)
[ 182.831697] sd 1:0:0:0: [sdb] Write Protect is off
[ 182.831697] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 182.831697] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 185.457677] ata2.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
[ 185.457677] ata2.00: irq_stat 0x40000008
[ 185.457677] ata2.00: cmd 60/28:00:7f:40:03/00:00:00:00:00/40 tag 0 ncq 20480 in
[ 185.457677] res 51/40:28:81:40:03/24:00:00:00:00/00 Emask 0x409 (media error) <F>
[ 185.461664] ata2.00: status: { DRDY ERR }
[ 185.461702] ata2.00: error: { UNC }
[ 185.529566] ata2.00: configured for UDMA/133
[ 185.529566] ata2: EH complete
[ 185.529566] sd 1:0:0:0: [sdb] 156301488 512-byte hardware sectors (80026 MB)
[ 185.529566] sd 1:0:0:0: [sdb] Write Protect is off
[ 185.529566] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 185.529566] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 187.014039] EXT3 FS on md0, internal journal
[ 187.358186] loop: module loaded
[ 8.212160] scsi 0:0:0:0: Direct-Access ATA ST380815AS 3.AA PQ: 0 ANSI: 5
[ 8.212160] scsi 1:0:0:0: Direct-Access ATA ST380815AS 3.AA PQ: 0 ANSI: 5
[ 8.212160] scsi 2:0:0:0: Direct-Access ATA ST3320620AS 3.AA PQ: 0 ANSI: 5
[ 8.232763] scsi 3:0:0:0: Direct-Access ATA ST3320620AS 3.AA PQ: 0 ANSI: 5
[ 8.232763] scsi 4:0:0:0: CD-ROM ATAPI iHAS120 6 7L0F PQ: 0 ANSI: 5
[ 8.233619] scsi 5:0:0:0: CD-ROM TSSTcorp CD/DVDW TS-H653A TI02 PQ: 0 ANSI: 5
/dev/sd[ab] と sd[cd] のそれぞれで、RAID1 を行っております。
$ cat /proc/mdstat
Personalities : [raid1]
md3 : active raid1 sdc1[0] sdd1[1]
312568576 blocks [2/2] [UU]
md1 : active raid1 sda2[0] sdb2[2](F)
77168128 blocks [2/1] [U_]
md0 : active raid1 sda1[0] sdb1[1]
979840 blocks [2/2] [UU]
unused devices: <none>
sd 1:0:0:0(/dev/sdb)に問題があるようなので、
つまり、md[01] のどちらかに問題があるようだったのですが、
負荷をかけた時のパーティションから想像すると、md1(/dev/sdb2)の可能性が高いと判断しました。
md0 が EXT3 の root で、
md1 は LVM2 を使っていて、LVM2 の PV が載っています。
bad blocks のチェックを行いたかったのですが、
# mdadm /dev/md1 --fail /dev/sdb2
mdadm: set /dev/sdb2 faulty in /dev/md1
# mdadm /dev/md1 --remove /dev/sdb2
mdadm: hot removed /dev/sdb2
# fsck -y /dev/sdb2
fsck 1.41.3 (12-Oct-2008)
fsck: fsck.mdraid: not found
fsck: Error 2 while executing fsck.mdraid for /dev/sdb2
# mdadm /dev/md1 --add /dev/sdb2
mdadm: re-added /dev/sdb2
と、やって上手く行くかと思っていたのですが、ご覧の通りダメでした。
(ファイルシステムが直接使われていないので、当たり前ですね。すみません)
ローカルドキュメントや Google で md の bad blocks について検索したのですが、
私の検索の仕方が悪いせいか、思うようなドキュメントが見つかりませんでした。
どなたか、md array における bad blocks のチェックに関する詳しい情報源をご存じありませんか？
新しい HDD は注文済みなので、
もし、気が向いたら、ご教授願います。