Hello,
I currently have the problem, that a migrated Ubuntu guest is crashing when the activity of the guest is rising.
The dmesg kernel log of the Proxmox VMHost is full of error messages like:
What is the partition /dev/dm-3 for? Its 21.5 Gigabytes in size.
Thanks for any hints
Ben
I currently have the problem, that a migrated Ubuntu guest is crashing when the activity of the guest is rising.
The dmesg kernel log of the Proxmox VMHost is full of error messages like:
Code:
sd 19:0:0:0: [sdb] READ CAPACITY failed
sd 19:0:0:0: [sdb] Result: hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK
sd 19:0:0:0: [sdb] Sense not available.
sd 19:0:0:0: [sdb] Asking for cache data failed
sd 19:0:0:0: [sdb] Assuming drive cache: write through
__ratelimit: 6699 callbacks suppressed
Buffer I/O error on device dm-3, logical block 1078874
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 1089843
lost page write due to I/O error on dm-3
__ratelimit: 6390 callbacks suppressed
Buffer I/O error on device dm-3, logical block 1052783
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 1052784
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 1052785
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 1052786
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 1052787
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 1052788
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 1052789
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 1052790
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 1052791
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 1052792
lost page write due to I/O error on dm-3
__ratelimit: 5578 callbacks suppressed
Buffer I/O error on device dm-3, logical block 1089898
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 1089899
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 1089900
lost page write due to I/O error on dm-3
What is the partition /dev/dm-3 for? Its 21.5 Gigabytes in size.
Code:
Disk /dev/dm-3: 21.5 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x9da45344
Device Boot Start End Blocks Id System
/dev/dm-3p1 * 1 13 102400 7 HPFS/NTFS
Partition 1 does not end on cylinder boundary.
/dev/dm-3p2 13 3133 25061376 7 HPFS/NTFS
Thanks for any hints
Ben