Last night I was using Midnight Commander to move files from one EXT4 formatted drive to another in my HP Microserver. I had used ssh to log into the Microserver and launched MC as root. All was going as expected when MC suddenly complained that it could not delete a file on the source drive. I told it to ignore the problem and skip all moves going forward and the "copying" continued. I checked the drive was correctly mounted and thereafter figured it was time to have a look at the kernel log. It revealed the following:
Code:
Nov 16 04:51:27 audioserv1 kernel: [   22.674923] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery directory
Nov 16 04:51:27 audioserv1 kernel: [   22.676468] NFSD: starting 90-second grace period
Nov 17 00:52:41 audioserv1 kernel: [72068.492320] ata5.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6
Nov 17 00:52:41 audioserv1 kernel: [72068.492457] ata5.01: BMDMA stat 0x4
Nov 17 00:52:41 audioserv1 kernel: [72068.492528] ata5.01: failed command: WRITE DMA EXT
Nov 17 00:52:41 audioserv1 kernel: [72068.492629] ata5.01: cmd 35/00:08:18:08:80/00:00:e5:00:00/f0 tag 0 dma 4096 out
Nov 17 00:52:41 audioserv1 kernel: [72068.492629]          res 51/84:01:1f:08:80/84:00:e5:00:00/f0 Emask 0x10 (ATA bus error)
Nov 17 00:52:41 audioserv1 kernel: [72068.492905] ata5.01: status: { DRDY ERR }
Nov 17 00:52:41 audioserv1 kernel: [72068.492981] ata5.01: error: { ICRC ABRT }
Nov 17 00:52:41 audioserv1 kernel: [72068.493119] ata5: soft resetting link
Nov 17 00:52:41 audioserv1 kernel: [72068.679487] ata5.01: configured for UDMA/33
Nov 17 00:52:41 audioserv1 kernel: [72068.679521] sd 5:0:1:0: >[sde]  
Nov 17 00:52:41 audioserv1 kernel: [72068.679525] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov 17 00:52:41 audioserv1 kernel: [72068.679531] sd 5:0:1:0: >[sde]  
Nov 17 00:52:41 audioserv1 kernel: [72068.679534] Sense Key : Aborted Command [current] [descriptor]
Nov 17 00:52:41 audioserv1 kernel: [72068.679541] Descriptor sense data with sense descriptors (in hex):
Nov 17 00:52:41 audioserv1 kernel: [72068.679545]         72 0b 47 00 00 00 00 0c 00 0a 80 00 00 00 00 00 
Nov 17 00:52:41 audioserv1 kernel: [72068.679563]         e5 80 08 1f 
Nov 17 00:52:41 audioserv1 kernel: [72068.679572] sd 5:0:1:0: >[sde]  
Nov 17 00:52:41 audioserv1 kernel: [72068.679578] Add. Sense: Scsi parity error
Nov 17 00:52:41 audioserv1 kernel: [72068.679584] sd 5:0:1:0: >[sde] CDB: 
Nov 17 00:52:41 audioserv1 kernel: [72068.679586] Write(10): 2a 00 e5 80 08 18 00 00 08 00
Nov 17 00:52:41 audioserv1 kernel: [72068.679602] end_request: I/O error, dev sde, sector 3850373144
Nov 17 00:52:41 audioserv1 kernel: [72068.679723] Buffer I/O error on device sde1, logical block 481296387
Nov 17 00:52:41 audioserv1 kernel: [72068.679840] lost page write due to I/O error on sde1
Nov 17 00:52:41 audioserv1 kernel: [72068.679866] ata5: EH complete
Nov 17 01:12:02 audioserv1 kernel: [73228.771110] ata5.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6
Nov 17 01:12:02 audioserv1 kernel: [73228.771220] ata5.01: BMDMA stat 0x4
Nov 17 01:12:02 audioserv1 kernel: [73228.771278] ata5.01: failed command: WRITE DMA EXT
Nov 17 01:12:02 audioserv1 kernel: [73228.771360] ata5.01: cmd 35/00:10:10:ee:44/00:01:74:00:00/f0 tag 0 dma 139264 out
Nov 17 01:12:02 audioserv1 kernel: [73228.771360]          res 51/84:b1:6f:ee:44/84:00:74:00:00/f0 Emask 0x10 (ATA bus error)
Nov 17 01:12:02 audioserv1 kernel: [73228.771600] ata5.01: status: { DRDY ERR }
Nov 17 01:12:02 audioserv1 kernel: [73228.771664] ata5.01: error: { ICRC ABRT }
Nov 17 01:12:02 audioserv1 kernel: [73228.771782] ata5: soft resetting link
Nov 17 01:12:02 audioserv1 kernel: [73228.958890] ata5.01: configured for UDMA/33
Nov 17 01:12:02 audioserv1 kernel: [73228.958934] sd 5:0:1:0: >[sde]  
Nov 17 01:12:02 audioserv1 kernel: [73228.958938] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov 17 01:12:02 audioserv1 kernel: [73228.958944] sd 5:0:1:0: >[sde]  
Nov 17 01:12:02 audioserv1 kernel: [73228.958947] Sense Key : Aborted Command [current] [descriptor]
Nov 17 01:12:02 audioserv1 kernel: [73228.958954] Descriptor sense data with sense descriptors (in hex):
Nov 17 01:12:02 audioserv1 kernel: [73228.958958]         72 0b 47 00 00 00 00 0c 00 0a 80 00 00 00 00 00 
Nov 17 01:12:02 audioserv1 kernel: [73228.958976]         74 44 ee 6f 
Nov 17 01:12:02 audioserv1 kernel: [73228.958985] sd 5:0:1:0: >[sde]  
Nov 17 01:12:02 audioserv1 kernel: [73228.958991] Add. Sense: Scsi parity error
Nov 17 01:12:02 audioserv1 kernel: [73228.958997] sd 5:0:1:0: >[sde] CDB: 
Nov 17 01:12:02 audioserv1 kernel: [73228.958999] Write(10): 2a 00 74 44 ee 10 00 01 10 00
Nov 17 01:12:02 audioserv1 kernel: [73228.959015] end_request: I/O error, dev sde, sector 1950674448
Nov 17 01:12:02 audioserv1 kernel: [73228.959180] ata5: EH complete
Nov 17 01:12:02 audioserv1 kernel: [73228.959281] Aborting journal on device sde1-8.
Nov 17 01:12:02 audioserv1 kernel: [73228.984483] EXT4-fs error (device sde1): ext4_journal_start_sb:370: Detected aborted journal
Nov 17 01:12:02 audioserv1 kernel: [73228.984665] EXT4-fs (sde1): Remounting filesystem read-only