Article ID: 117061, created on Sep 2, 2013, last review on May 10, 2014

  • Applies to:
  • Virtuozzo 6.0

Symptoms

I have I/O error messages like the following:

[   41.942369] EXT4-fs (sda7): Unaligned AIO/DIO on inode 14681270 by csd; performance will be poor.
[86417.556724] EXT4-fs (sda7): Unaligned AIO/DIO on inode 14681270 by csd; performance will be poor.
[172793.134255] EXT4-fs (sda7): Unaligned AIO/DIO on inode 14681271 by csd; performance will be poor.
[259168.705026] EXT4-fs (sda7): Unaligned AIO/DIO on inode 14681271 by csd; performance will be poor.
[345544.284695] EXT4-fs (sda7): Unaligned AIO/DIO on inode 14680339 by csd; performance will be poor.
[431919.869855] EXT4-fs (sda7): Unaligned AIO/DIO on inode 14680700 by csd; performance will be poor.
[518295.442838] EXT4-fs (sda7): Unaligned AIO/DIO on inode 14680700 by csd; performance will be poor.

Resolution

Ignore these messages. They are not related to performance.

c62e8726973f80975db0531f1ed5c6a2 2897d76d56d2010f4e3a28f864d69223 0dd5b9380c7d4884d77587f3eb0fa8ef

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