What do the (device error) mean ? Sep 4 07:51:27 server kernel: kjournald starting. Commit interval 5 seconds Sep 4 07:51:27 server kernel: EXT3-fs warning: maximal mount count reached, running e2fsck is recommended Sep 4 07:51:27 server kernel: EXT3 FS on loop0, internal journal Sep 4 07:51:27 server kernel: EXT3-fs: recovery complete. Sep 4 07:51:27 server kernel: EXT3-fs: mounted filesystem with ordered data mode. Sep 4 07:51:39 server kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 Sep 4 07:51:39 server kernel: ata1.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 Sep 4 07:51:39 server kernel: res 51/04:00:00:4f:c2/00:00:00:00:00/00 Emask 0x1 (device error) Sep 4 07:51:39 server kernel: ata1.00: configured for UDMA/133 Sep 4 07:51:39 server kernel: ata1: EH complete Sep 4 07:51:40 server kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 Sep 4 07:51:40 server kernel: ata1.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 Sep 4 07:51:40 server kernel: res 51/04:00:00:4f:c2/00:00:00:00:00/00 Emask 0x1 (device error) Sep 4 07:51:40 server kernel: ata1.00: configured for UDMA/133 Sep 4 07:51:40 server kernel: ata1: EH complete Sep 4 07:51:40 server kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 Sep 4 07:51:40 server kernel: ata1.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 Sep 4 07:51:40 server kernel: res 51/04:00:00:4f:c2/00:00:00:00:00/00 Emask 0x1 (device error) Sep 4 07:51:40 server kernel: ata1.00: configured for UDMA/133 Sep 4 07:51:40 server kernel: ata1: EH complete Sep 4 07:51:40 server kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 Sep 4 07:51:40 server kernel: ata1.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 Sep 4 07:51:40 server kernel: res 51/04:00:00:4f:c2/00:00:00:00:00/00 Emask 0x1 (device error) Sep 4 07:51:40 server kernel: ata1.00: configured for UDMA/133 Sep 4 07:51:40 server kernel: ata1: EH complete Sep 4 07:51:40 server kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 Sep 4 07:51:40 server kernel: ata1.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 Sep 4 07:51:40 server kernel: res 51/04:00:00:4f:c2/00:00:00:00:00/00 Emask 0x1 (device error) Sep 4 07:51:41 server kernel: ata1.00: configured for UDMA/133 Sep 4 07:51:41 server kernel: ata1: EH complete Sep 4 07:51:41 server kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 Sep 4 07:51:41 server kernel: ata1.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 Sep 4 07:51:41 server kernel: res 51/04:00:00:4f:c2/00:00:00:00:00/00 Emask 0x1 (device error) Sep 4 07:51:41 server kernel: ata1.00: configured for UDMA/133 Sep 4 07:51:41 server kernel: ata1: EH complete Sep 4 07:51:41 server kernel: sd 0:0:0:0: [sda] 488397168 512-byte hardware sectors (250059 MB) Sep 4 07:51:41 server kernel: sd 0:0:0:0: [sda] Write Protect is off Sep 4 07:51:41 server kernel: sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Sep 4 07:51:41 server kernel: sd 0:0:0:0: [sda] 488397168 512-byte hardware sectors (250059 MB) Sep 4 07:51:41 server kernel: sd 0:0:0:0: [sda] Write Protect is off Sep 4 07:51:41 server kernel: sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Sep 4 07:51:41 server kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 Sep 4 07:51:41 server kernel: ata2.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 Sep 4 07:51:41 server kernel: res 51/04:00:00:4f:c2/00:00:00:00:00/00 Emask 0x1 (device error) Sep 4 07:51:41 server kernel: ata2.00: configured for UDMA/133 Sep 4 07:51:41 server kernel: ata2: EH complete Sep 4 07:51:41 server kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 Sep 4 07:51:41 server kernel: ata2.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 Sep 4 07:51:41 server kernel: res 51/04:00:00:4f:c2/00:00:00:00:00/00 Emask 0x1 (device error) Sep 4 07:51:42 server kernel: ata2.00: configured for UDMA/133 Sep 4 07:51:42 server kernel: ata2: EH complete Sep 4 07:51:43 server kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 Sep 4 07:51:43 server kernel: ata2.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 Sep 4 07:51:43 server kernel: res 51/04:00:00:4f:c2/00:00:00:00:00/00 Emask 0x1 (device error) Sep 4 07:51:43 server kernel: ata2.00: configured for UDMA/133 Sep 4 07:51:43 server kernel: ata2: EH complete Sep 4 07:51:43 server kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 Sep 4 07:51:43 server kernel: ata2.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 Sep 4 07:51:43 server kernel: res 51/04:00:00:4f:c2/00:00:00:00:00/00 Emask 0x1 (device error) Sep 4 07:51:43 server kernel: ata2.00: configured for UDMA/133 Sep 4 07:51:43 server kernel: ata2: EH complete Sep 4 07:51:43 server kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 Sep 4 07:51:43 server kernel: ata2.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 Sep 4 07:51:43 server kernel: res 51/04:00:00:4f:c2/00:00:00:00:00/00 Emask 0x1 (device error) Sep 4 07:51:43 server kernel: ata2.00: configured for UDMA/133 Sep 4 07:51:43 server kernel: ata2: EH complete Sep 4 07:51:43 server kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 Sep 4 07:51:43 server kernel: ata2.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 Sep 4 07:51:43 server kernel: res 51/04:00:00:4f:c2/00:00:00:00:00/00 Emask 0x1 (device error) Sep 4 07:51:43 server kernel: ata2.00: configured for UDMA/133 Sep 4 07:51:43 server kernel: ata2: EH complete Sep 4 07:51:43 server kernel: sd 1:0:0:0: [sdb] 488397168 512-byte hardware sectors (250059 MB) Sep 4 07:51:43 server kernel: sd 1:0:0:0: [sdb] Write Protect is off Sep 4 07:51:43 server kernel: sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Sep 4 07:51:43 server kernel: sd 1:0:0:0: [sdb] 488397168 512-byte hardware sectors (250059 MB) Sep 4 07:51:43 server kernel: sd 1:0:0:0: [sdb] Write Protect is off
