NSS4000: bad drive?

Unanswered Question
Apr 20th, 2010
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I think I have sd2 going bad.  Can anyone confirm or refute this?  The nss4000 is generally slow a locks up from time to time.


This is the output from dmesg:


=========  Tue Apr 13 13:55:58 MDT 2010 ==========
Opening the watchdog ....
gpio_poller resumes watchdog control, stopping it8712_wdt_ctrl_kthread ....
it8712_wdt_ctrl_kthread(): about to exit...
Clock selection set to 0x1
Config register initially (0xd0)...
Config register set (0xc0).
Control register initially (0x0)...
Control register set (0x0).
Value registers set, watchdog enabled.
Watchdog is open.
=========  Tue Apr 13 14:36:00 MDT 2010 ==========
0x0: 60 71 44 10 21 00 00 00 e8 92 44 10 00 00 00 00
Filesystem "dm-0": XFS internal error xfs_da_do_buf(2) at line 2084 of file fs/xfs/xfs_da_btree.c.  Caller 0x802ef0e0
Call Trace:
[<8010a2d8>] dump_stack+0x18/0x44
[<802fc010>] xfs_error_report+0x58/0x64
[<802fc188>] xfs_corruption_error+0x64/0x7c
[<802ef1a8>] xfs_da_do_buf+0x7a0/0x890
[<802ef2f8>] xfs_da_read_buf+0x2c/0x38
[<802f208c>] xfs_dir2_block_lookup_int+0x70/0x2e4
[<802f1edc>] xfs_dir2_block_lookup+0x1c/0x15c
[<802effec>] xfs_dir_lookup+0xc4/0x144
[<80324a3c>] xfs_dir_lookup_int+0x44/0x104
[<8032ad1c>] xfs_lookup+0x80/0xcc
[<8033a268>] xfs_vn_lookup+0x4c/0xa8
[<8019090c>] real_lookup+0x80/0x124
[<80190f24>] do_lookup+0x7c/0xe8
[<80191d08>] __link_path_walk+0xd78/0x1554
[<80192670>] link_path_walk+0x18c/0x34c
[<801930ac>] do_path_lookup+0x52c/0x56c
[<801934b8>] __user_walk_fd+0x58/0x8c
[<8018b8f0>] vfs_stat_fd+0x20/0x5c
[<8018b944>] vfs_stat+0x18/0x24
[<8018bed8>] sys_stat64+0x18/0x3c
[<8010cc80>] stack_done+0x20/0x3c

0x0: 60 71 44 10 21 00 00 00 e8 92 44 10 00 00 00 00
Filesystem "dm-0": XFS internal error xfs_da_do_buf(2) at line 2084 of file fs/xfs/xfs_da_btree.c.  Caller 0x802ef0e0
Call Trace:
[<8010a2d8>] dump_stack+0x18/0x44
[<802fc010>] xfs_error_report+0x58/0x64
[<802fc188>] xfs_corruption_error+0x64/0x7c
[<802ef1a8>] xfs_da_do_buf+0x7a0/0x890
[<802ef2f8>] xfs_da_read_buf+0x2c/0x38
[<802f208c>] xfs_dir2_block_lookup_int+0x70/0x2e4
[<802f1edc>] xfs_dir2_block_lookup+0x1c/0x15c
[<802effec>] xfs_dir_lookup+0xc4/0x144
[<80324a3c>] xfs_dir_lookup_int+0x44/0x104
[<8032ad1c>] xfs_lookup+0x80/0xcc
[<8033a268>] xfs_vn_lookup+0x4c/0xa8
[<8019090c>] real_lookup+0x80/0x124
[<80190f24>] do_lookup+0x7c/0xe8
[<80191d08>] __link_path_walk+0xd78/0x1554
[<80192670>] link_path_walk+0x18c/0x34c
[<801930ac>] do_path_lookup+0x52c/0x56c
[<801934b8>] __user_walk_fd+0x58/0x8c
[<8018b8f0>] vfs_stat_fd+0x20/0x5c
[<8018b944>] vfs_stat+0x18/0x24
[<8018bed8>] sys_stat64+0x18/0x3c
[<8010cc80>] stack_done+0x20/0x3c

0x0: 60 71 44 10 21 00 00 00 e8 92 44 10 00 00 00 00
Filesystem "dm-0": XFS internal error xfs_da_do_buf(2) at line 2084 of file fs/xfs/xfs_da_btree.c.  Caller 0x802ef0e0
Call Trace:
[<8010a2d8>] dump_stack+0x18/0x44
[<802fc010>] xfs_error_report+0x58/0x64
[<802fc188>] xfs_corruption_error+0x64/0x7c
[<802ef1a8>] xfs_da_do_buf+0x7a0/0x890
[<802ef2f8>] xfs_da_read_buf+0x2c/0x38
[<802f1b30>] xfs_dir2_block_getdents+0xd0/0x3bc
[<802f029c>] xfs_dir_getdents+0x108/0x168
[<8032cba4>] xfs_readdir+0x74/0xa8
[<80337564>] xfs_file_readdir+0x120/0x250
[<80197c30>] vfs_readdir+0x80/0xd4
[<8019813c>] sys_getdents64+0x74/0xd8
[<8010cc80>] stack_done+0x20/0x3c

=========  Tue Apr 13 17:39:25 MDT 2010 ==========
skge eth0: phy read timeout
=========  Wed Apr 14 10:54:30 MDT 2010 ==========
skge eth0: phy read timeout
=========  Wed Apr 14 20:33:19 MDT 2010 ==========
skge eth1: phy read timeout
=========  Thu Apr 15 00:00:26 MDT 2010 ==========
skge eth1: phy read timeout
=========  Thu Apr 15 00:27:29 MDT 2010 ==========
skge eth1: phy read timeout
=========  Thu Apr 15 14:45:07 MDT 2010 ==========
skge eth0: phy read timeout
=========  Fri Apr 16 11:00:17 MDT 2010 ==========
skge eth1: phy read timeout
=========  Fri Apr 16 15:30:26 MDT 2010 ==========
skge eth1: phy read timeout
=========  Sat Apr 17 06:45:26 MDT 2010 ==========
skge eth0: phy read timeout
=========  Sat Apr 17 18:30:28 MDT 2010 ==========
skge eth1: phy read timeout
=========  Sun Apr 18 11:30:10 MDT 2010 ==========
skge eth1: phy read timeout
=========  Mon Apr 19 02:03:11 MDT 2010 ==========
skge eth1: phy read timeout
=========  Mon Apr 19 10:36:09 MDT 2010 ==========
skge eth1: phy read timeout
=========  Mon Apr 19 11:10:14 MDT 2010 ==========
ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata4.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata4: EH complete
SCSI device sdd: 1953525168 512-byte hdwr sectors (1000205 MB)
sdd: Write Protect is off
sdd: Mode Sense: 00 3a 00 00
SCSI device sdd: drive cache: write back
=========  Mon Apr 19 15:09:21 MDT 2010 ==========
skge eth0: phy read timeout
=========  Mon Apr 19 16:51:11 MDT 2010 ==========
skge eth1: phy read timeout
=========  Mon Apr 19 20:00:15 MDT 2010 ==========
skge eth1: phy read timeout
=========  Mon Apr 19 23:45:23 MDT 2010 ==========
skge eth1: phy read timeout
=========  Tue Apr 20 02:25:55 MDT 2010 ==========
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
sd 1:0:0:0: SCSI error: return code = 0x08000002
sdb: Current: sense key: Medium Error
    Additional sense: Unrecovered read error - auto reallocate failed
end_request: I/O error, dev sdb, sector 1251948808
ata2: EH complete
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
raid5:md0: read error corrected (8 sectors at 1251948808 on sdb)
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
=========  Tue Apr 20 02:26:25 MDT 2010 ==========
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
sd 1:0:0:0: SCSI error: return code = 0x08000002
sdb: Current: sense key: Medium Error
    Additional sense: Unrecovered read error - auto reallocate failed
end_request: I/O error, dev sdb, sector 536549640
ata2: EH complete
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
raid5:md0: read error corrected (8 sectors at 536549640 on sdb)
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
sd 1:0:0:0: SCSI error: return code = 0x08000002
sdb: Current: sense key: Medium Error
    Additional sense: Unrecovered read error - auto reallocate failed
end_request: I/O error, dev sdb, sector 715399432
ata2: EH complete
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
raid5:md0: read error corrected (8 sectors at 715399432 on sdb)
SCSI device sdb: drive cache: write back
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
sd 1:0:0:0: SCSI error: return code = 0x08000002
sdb: Current: sense key: Medium Error
    Additional sense: Unrecovered read error - auto reallocate failed
end_request: I/O error, dev sdb, sector 1552332192
ata2: EH complete
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
=========  Tue Apr 20 02:26:55 MDT 2010 ==========
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
sd 1:0:0:0: SCSI error: return code = 0x08000002
sdb: Current: sense key: Medium Error
    Additional sense: Unrecovered read error - auto reallocate failed
end_request: I/O error, dev sdb, sector 1251948808
ata2: EH complete
raid5:md0: read error corrected (8 sectors at 1251948808 on sdb)
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
sd 1:0:0:0: SCSI error: return code = 0x08000002
sdb: Current: sense key: Medium Error
    Additional sense: Unrecovered read error - auto reallocate failed
end_request: I/O error, dev sdb, sector 717382808
ata2: EH complete
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
=========  Tue Apr 20 02:27:25 MDT 2010 ==========
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
sd 1:0:0:0: SCSI error: return code = 0x08000002
sdb: Current: sense key: Medium Error
    Additional sense: Unrecovered read error - auto reallocate failed
end_request: I/O error, dev sdb, sector 1552332216
ata2: EH complete
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
sd 1:0:0:0: SCSI error: return code = 0x08000002
sdb: Current: sense key: Medium Error
    Additional sense: Unrecovered read error - auto reallocate failed
end_request: I/O error, dev sdb, sector 1251948808
ata2: EH complete
SCSI device sdb: drive cache: write back
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
raid5:md0: read error corrected (8 sectors at 1251948808 on sdb)
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
sd 1:0:0:0: SCSI error: return code = 0x08000002
sdb: Current: sense key: Medium Error
    Additional sense: Unrecovered read error - auto reallocate failed
end_request: I/O error, dev sdb, sector 717382840
ata2: EH complete
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
=========  Tue Apr 20 02:27:55 MDT 2010 ==========
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata2.00: tag 0 cmd 0x25 Emask 0x9 stat 0x51 err 0x40 (media error)
sd 1:0:0:0: SCSI error: return code = 0x08000002
sdb: Current: sense key: Medium Error
    Additional sense: Unrecovered read error - auto reallocate failed
end_request: I/O error, dev sdb, sector 1252649608
ata2: EH complete
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back

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ldillon59101 Wed, 04/21/2010 - 08:21
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Was on the phone with Cisco/Linksys today.  They confirm that this is indicitive of a drive about to fail.


I consider this question answered, but don't see a button to mark it as such.

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