Hi, I have a fedora15 server with four 1TB disks in a RAID5 array and one disk appears to have gone bad. I'd appreciate it if someone could confirm these are unrecoverable errors and replacing the disk is the only solution. [10704375.779356] ata1.00: failed command: READ FPDMA QUEUED [10704375.779428] ata1.00: cmd 60/08:40:40:87:9d/00:00:14:00:00/40 tag 8 ncq 4096 in [10704375.779430] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [10704435.967343] ata1.00: device reported invalid CHS sector 0 [10704435.967424] sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [10704435.967554] sd 0:0:0:0: [sda] Sense Key : Aborted Command [current] [descriptor] [10704435.967690] Descriptor sense data with sense descriptors (in hex): [10704435.967760] 72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00 [10704435.967869] 00 00 00 00 [10704435.967944] sd 0:0:0:0: [sda] Add. Sense: No additional sense information [10704435.968029] sd 0:0:0:0: [sda] CDB: Read(10): 28 00 14 9d 87 00 00 00 08 00 [10704435.968174] end_request: I/O error, dev sda, sector 345868032 This repeated a number of times with different sectors. [10704435.995540] md/raid:md1: Disk failure on sda3, disabling device. [10704435.995542] md/raid:md1: Operation continuing on 3 devices. [10704436.065083] sd 0:0:0:0: [sda] Unhandled error code [10704436.065161] sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [10704436.065298] sd 0:0:0:0: [sda] CDB: Write(10): 2a 00 00 d1 43 78 00 00 10 00 [10704436.065470] end_request: I/O error, dev sda, sector 13714296 [10704436.065619] md/raid:md0: Disk failure on sda2, disabling device. [10704436.065622] md/raid:md0: Operation continuing on 3 devices. Thanks for any ideas. Alex -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
