Hi All Can anyone explain the errors messages:- Jan 9 03:09:27 localhost kernel: hdf: dma_timer_expiry: dma status == 0x41 Jan 9 03:10:14 localhost kernel: hdf: dma_timer_expiry: dma status == 0x41 Jan 9 03:10:29 localhost kernel: hdf: DMA timeout error Jan 9 03:10:29 localhost kernel: hdf: timeout waiting for DMA Jan 9 03:10:29 localhost kernel: hdf: dma timeout error: status=0xd0 { Busy } Jan 9 03:10:29 localhost kernel: Jan 9 03:10:29 localhost kernel: ide: failed opcode was: unknown Jan 9 03:10:29 localhost kernel: hdf: DMA disabled Jan 9 03:12:02 localhost kernel: ide2: reset timed-out, status=0x80 Jan 9 03:12:04 localhost kernel: hdf: lost interrupt Jan 9 03:12:05 localhost kernel: hdf: status error: status=0x39 { DeviceFault SeekComplete DataRequest Error } Jan 9 03:12:05 localhost kernel: hdf: status error: error=0x39 { SectorIdNotFound AddrMarkNotFound }, LBAsect=149568079083833, high=8914952, low=3750201, sector=57999527 Jan 9 03:12:05 localhost kernel: ide: failed opcode was: unknown Jan 9 03:12:06 localhost kernel: hdf: no DRQ after issuing MULTWRITE_EXT Jan 9 03:12:07 localhost kernel: ide2: reset timed-out, status=0x80 Jan 9 03:12:07 localhost kernel: end_request: I/O error, dev hdf, sector 57999527 Jan 9 03:12:08 localhost kernel: Buffer I/O error on device hdf1, logical block 7249933 Jan 9 03:13:40 localhost kernel: end_request: I/O error, dev hdf, sector 58196039 Jan 9 03:13:41 localhost kernel: EXT3-fs error (device hdf1): read_inode_bitmap: Cannot read inode bitmap - block_group = 222, inode_bitmap = 7274497 Jan 9 03:13:41 localhost kernel: EXT3-fs error (device hdf1) in ext3_new_inode: IO failure Jan 9 03:13:41 localhost kernel: EXT3-fs error (device hdf1) in ext3_create: IO failure Jan 9 03:13:42 localhost kernel: end_request: I/O error, dev hdf, sector 138077951 Jan 9 03:13:42 localhost kernel: EXT3-fs error (device hdf1): ext3_find_entry: reading directory #8619607 offset 0 Jan 9 03:13:42 localhost kernel: end_request: I/O error, dev hdf, sector 56361063 Jan 9 03:13:43 localhost kernel: end_request: I/O error, dev hdf, sector 48033583 Jan 9 03:13:43 localhost kernel: EXT3-fs error (device hdf1): ext3_find_entry: reading directory #11470801 offset 0 Jan 9 03:13:43 localhost kernel: end_request: I/O error, dev hdf, sector 138077959 Jan 9 03:13:44 localhost kernel: EXT3-fs error (device hdf1): ext3_find_entry: reading directory #8619608 offset 0 Jan 9 03:13:44 localhost kernel: end_request: I/O error, dev hdf, sector 56623167 Jan 9 03:13:44 localhost kernel: end_request: I/O error, dev hdf, sector 56623175 Jan 9 03:13:45 localhost kernel: end_request: I/O error, dev hdf, sector 56623183 Jan 9 03:13:45 localhost kernel: end_request: I/O error, dev hdf, sector 48033583 Jan 9 03:13:45 localhost kernel: EXT3-fs error (device hdf1): ext3_find_entry: reading directory #11470801 offset 0 Jan 9 03:13:46 localhost kernel: end_request: I/O error, dev hdf, sector 58002247 <BIG !! 60,000 lines SNIP> Jan 9 10:08:21 localhost kernel: end_request: I/O error, dev hdf, sector 102051063 Jan 9 10:08:21 localhost kernel: EXT3-fs error (device hdf1): ext3_find_entry: reading directory #6378256 offset 0 Jan 9 10:08:21 localhost kernel: end_request: I/O error, dev hdf, sector 102051063 Jan 9 10:08:21 localhost kernel: EXT3-fs error (device hdf1): ext3_find_entry: reading directory #6378256 offset 0 Jan 9 10:08:21 localhost kernel: end_request: I/O error, dev hdf, sector 102051063 Jan 9 10:08:21 localhost kernel: EXT3-fs error (device hdf1): ext3_find_entry: reading directory #6378256 offset 0 Later followed by Jan 23 03:21:44 localhost smartd[2299]: Device: /dev/hde, 1 Currently unreadable (pending) sectors Jan 23 03:21:45 localhost smartd[2299]: Device: /dev/hdg, 2 Currently unreadable (pending) sectors Jan 23 03:36:39 localhost kernel: hdf: dma_timer_expiry: dma status == 0x61 Jan 23 03:51:46 localhost smartd[2299]: Device: /dev/hde, 1 Currently unreadable (pending) sectors Jan 23 03:51:52 localhost smartd[2299]: Device: /dev/hdg, 2 Currently unreadable (pending) sectors Jan 23 03:58:25 localhost kernel: hdf: dma_timer_expiry: dma status == 0x61 Jan 23 04:01:03 localhost kernel: SMB connection re-established (-5) Jan 23 04:08:44 localhost logrotate: ALERT exited abnormally with [1] Jan 23 04:09:35 localhost kernel: hdf: dma_intr: status=0x61 { DriveReady DeviceFault Error } Jan 23 04:09:35 localhost kernel: hdf: dma_intr: error=0x04 { DriveStatusError } Jan 23 04:09:35 localhost kernel: ide: failed opcode was: unknown Jan 23 04:09:35 localhost kernel: hde: DMA disabled Jan 23 04:09:35 localhost kernel: hdf: DMA disabled Jan 23 04:09:37 localhost kernel: ide2: reset: success Jan 23 04:09:39 localhost kernel: hdf: set_multmode: status=0x61 { DriveReady DeviceFault Error } Jan 23 04:09:39 localhost kernel: hdf: set_multmode: error=0x04 { DriveStatusError } Jan 23 04:09:39 localhost kernel: ide: failed opcode was: unknown Jan 23 04:09:39 localhost kernel: hdf: recal_intr: status=0x61 { DriveReady DeviceFault Error } Jan 23 04:09:39 localhost kernel: hdf: recal_intr: error=0x04 { DriveStatusError } Jan 23 04:09:39 localhost kernel: ide: failed opcode was: unknown Jan 23 04:09:39 localhost kernel: ide2: reset: success Jan 23 04:09:39 localhost kernel: hdf: task_out_intr: status=0x61 { DriveReady DeviceFault Error } Jan 23 04:09:39 localhost kernel: hdf: task_out_intr: error=0x04 { DriveStatusError } Jan 23 04:09:39 localhost kernel: ide: failed opcode was: unknown Since this I have rebooted, done a mkfs on the drive to rebuild the file system, mkfs -V -t ext3 -L "hdf" /dev/hdf1 followed by a fsck to check the file system. fsck -V -p -c -c -f /dev/hdf1 none of which found an errors. since then I have unmounted the file system so it is not used, but I get the following errors Jan 29 13:51:09 localhost smartd[2284]: Device: /dev/hde, 1 Currently unreadable (pending) sectors Jan 29 13:51:10 localhost smartd[2284]: Device: /dev/hdf, 1 Currently unreadable (pending) sectors Jan 29 13:51:10 localhost smartd[2284]: Device: /dev/hdf, 1 Offline uncorrectable sectors Jan 29 13:51:10 localhost smartd[2284]: Device: /dev/hdg, 2 Currently unreadable (pending) sectors Jan 29 14:21:10 localhost smartd[2284]: Device: /dev/hde, 1 Currently unreadable (pending) sectors Jan 29 14:21:10 localhost smartd[2284]: Device: /dev/hdf, 1 Currently unreadable (pending) sectors Jan 29 14:21:10 localhost smartd[2284]: Device: /dev/hdf, 1 Offline uncorrectable sectors Jan 29 14:21:11 localhost smartd[2284]: Device: /dev/hdg, 2 Currently unreadable (pending) sectors Jan 29 14:51:10 localhost smartd[2284]: Device: /dev/hde, 1 Currently unreadable (pending) sectors Jan 29 14:51:10 localhost smartd[2284]: Device: /dev/hdf, 1 Currently unreadable (pending) sectors Jan 29 14:51:10 localhost smartd[2284]: Device: /dev/hdf, 1 Offline uncorrectable sectors Jan 29 14:51:11 localhost smartd[2284]: Device: /dev/hdg, 2 Currently unreadable (pending) sectors ide-smart gives #ide-smart /dev/hdf Id= 1 Status=11 {Prefailure Online } Value=200 Threshold= 51 Passed Id= 3 Status= 7 {Prefailure Online } Value=159 Threshold= 21 Passed Id= 4 Status=50 {Advisory Online } Value=100 Threshold= 40 Passed Id= 5 Status=51 {Prefailure Online } Value=168 Threshold=140 Passed Id= 7 Status=11 {Prefailure Online } Value=200 Threshold= 51 Passed Id= 9 Status=50 {Advisory Online } Value= 71 Threshold= 0 Passed Id= 10 Status=19 {Prefailure Online } Value=100 Threshold= 51 Passed Id= 11 Status=19 {Prefailure Online } Value=100 Threshold= 51 Passed Id= 12 Status=50 {Advisory Online } Value=100 Threshold= 0 Passed Id=196 Status=50 {Advisory Online } Value= 1 Threshold= 0 Passed Id=197 Status=18 {Advisory Online } Value=200 Threshold= 0 Passed Id=198 Status=18 {Advisory Online } Value=200 Threshold= 0 Passed Id=199 Status=10 {Advisory Online } Value=200 Threshold= 0 Passed Id=200 Status= 9 {Prefailure OffLine} Value=200 Threshold= 51 Passed OffLineStatus=130 {Completed}, AutoOffLine=Yes, OffLineTimeout=72 minutes OffLineCapability=123 {Immediate Auto SuspendOnCmd} SmartRevision=16, CheckSum=69, SmartCapability=3 {SaveOnStandBy AutoSave}