# dmesg |grep sdb
sd 0:0:1:0: [sdb] 58633344 512-byte hardware sectors (30020 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sd 0:0:1:0: [sdb] 58633344 512-byte hardware sectors (30020 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
 sdb: sdb1 sdb2
sd 0:0:1:0: [sdb] Attached SCSI disk
sd 0:0:1:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:1:0: [sdb] Sense Key : Medium Error [current] [descriptor]
sd 0:0:1:0: [sdb] Add. Sense: Address mark not found for data field
end_request: I/O error, dev sdb, sector 56
Buffer I/O error on device sdb, logical block 7
Buffer I/O error on device sdb, logical block 8
Buffer I/O error on device sdb, logical block 9
Buffer I/O error on device sdb, logical block 10
Buffer I/O error on device sdb, logical block 11
Buffer I/O error on device sdb, logical block 12
Buffer I/O error on device sdb, logical block 13
Buffer I/O error on device sdb, logical block 14
Buffer I/O error on device sdb, logical block 15
Buffer I/O error on device sdb, logical block 16
sd 0:0:1:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:1:0: [sdb] Sense Key : Medium Error [current] [descriptor]
sd 0:0:1:0: [sdb] Add. Sense: Address mark not found for data field
end_request: I/O error, dev sdb, sector 56
Buffer I/O error on device sdb, logical block 7
sd 0:0:1:0: [sdb] 58633344 512-byte hardware sectors (30020 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sd 0:0:1:0: [sdb] 58633344 512-byte hardware sectors (30020 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sd 0:0:1:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:1:0: [sdb] Sense Key : Medium Error [current] [descriptor]
sd 0:0:1:0: [sdb] Add. Sense: Address mark not found for data field
end_request: I/O error, dev sdb, sector 56
Buffer I/O error on device sdb, logical block 7
sd 0:0:1:0: [sdb] 58633344 512-byte hardware sectors (30020 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sd 0:0:1:0: [sdb] 58633344 512-byte hardware sectors (30020 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sd 0:0:1:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:1:0: [sdb] Sense Key : Medium Error [current] [descriptor]
sd 0:0:1:0: [sdb] Add. Sense: Address mark not found for data field
end_request: I/O error, dev sdb, sector 56
Buffer I/O error on device sdb, logical block 7
sd 0:0:1:0: [sdb] 58633344 512-byte hardware sectors (30020 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sd 0:0:1:0: [sdb] 58633344 512-byte hardware sectors (30020 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
EXT3 FS on sdb1, internal journal
SELinux: initialized (dev sdb1, type ext3), uses xattr
=============================================================
# dmesg |grep ata1
ata1: PATA max UDMA/100 cmd 0x000101f0 ctl 0x000103f6 bmdma 0x0001ffa0 irq 14
ata1.00: ATA-5: ST340016A, 3.10, max UDMA/100
ata1.00: 78165360 sectors, multi 16: LBA 
ata1.01: ATA-5: WDC WD300AB-00BVA0, 21.01H21, max UDMA/100
ata1.01: 58633344 sectors, multi 16: LBA 
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:88:00:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 69632 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:88:00:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 69632 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:88:00:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 69632 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:88:00:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 69632 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:88:00:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 69632 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:88:00:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 69632 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/100
ata1: EH complete
ata1.01: limiting speed to UDMA/66:PIO4
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1: soft resetting port
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.01: BMDMA stat 0x65
ata1.01: cmd c8/00:08:38:00:00/00:00:00:00:00/f0 tag 0 cdb 0x0 data 4096 in
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete