Article ID: 116699, created on Aug 9, 2013, last review on May 11, 2014

  • Applies to:
  • Virtuozzo 6.0

Symptopms

Disk goes to read-only mode. You can see the following errors:

Aug  2 04:41:09 mypcs kernel: [78076.499822] sd 0:0:9:0: [sdd] CDB: Write(10): 2a 00 02 29 df 38 00 00 58 00
Aug  2 04:41:09 mypcs kernel: [78076.499829] EXT4-fs warning (device sdd1): ext4_end_bio: I/O error writing to inode 9699805 (size 0 starting block 4537330)
Aug  2 04:41:09 mypcs kernel: [78076.499833] Buffer I/O error on device sdd1, logical block 4537311
Aug  2 04:41:09 mypcs kernel: [78076.499995] lost page write due to I/O error on sdd1

Cause

There can be issues with power on the server, for example, too much power consumed by devices or poor cable connection to this drive.

Resolution

Check hardware configuration with your system administrator. Perform read/write test.

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