Hi,

I have a 10 Gbytes hard disk on which the last partition /dev/hda4 is
mounted root on kernel 2.2.13.

Lately I have been close to fill that partition and since then the
following messages regularly get logged:
May 23 02:08:56 localhost kernel: hda: read_intr: status=0x59 {
DriveReady SeekComplete DataRequest Error }
May 23 02:08:56 localhost kernel: hda: read_intr: error=0x04 {
DriveStatusError }
May 23 02:08:56 localhost kernel: end_request: I/O error, dev 03:04
(hda), sector 12160946
May 23 02:08:56 localhost kernel: hda: read_intr: status=0x59 {
DriveReady SeekComplete DataRequest Error }
May 23 02:08:56 localhost kernel: hda: read_intr: error=0x04 {
DriveStatusError }
May 23 02:08:56 localhost kernel: hda: read_intr: status=0x59 {
DriveReady SeekComplete DataRequest Error }
May 23 02:08:56 localhost kernel: hda: read_intr: error=0x04 {
DriveStatusError }
May 23 02:08:56 localhost kernel: ide0: reset: success

I tried to boot on floppy and run e2fsck, but this didn't solve the
problem. I got errors like "Attempt ... resulted in a short read" and if
I answered No to "Ignore?" I was just sent back to the shell. I could
fix some other errors and clean the file system however.

I remember I fighted hard to partition the disk without losing space
despite the 1024 cylinder boundary, but maybe I did something wrong.
Now if I run "fdisk -l" I get for hda4:
Disk /dev/hda: 255 heads, 63 sectors, 1232 cylinders
Units = cylinders of 16065 * 512 bytes

   Device Boot    Start      End   Blocks   Id  System
/dev/hda1   *         1      457  3670821    b  Win95 FAT32
/dev/hda2           458      460    20664   83  Linux native
Partition 2 does not end on cylinder boundary:
     phys=(1023, 15, 63) should be (1023, 254, 63)
/dev/hda3           460      476   131544   82  Linux swap
Partition 3 does not end on cylinder boundary:
     phys=(1023, 15, 63) should be (1023, 254, 63)
/dev/hda4           476     1234  6080760   83  Linux native
Partition 4 does not end on cylinder boundary:
     phys=(1023, 15, 63) should be (1023, 254, 63)

I've read somewhere that cylinder boundaries did not mean a lot on
modern disks, so I did not worry about that.
I can still work, but I begin to be afraid to lose data.
Any hint welcome...

-- 
Alexandre Oberlin
http://www.altern.org/ao


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