Error Message

System logs or dmesg output may show messages like:

Jun 25 14:34:50 arctokIA-vm24 kernel: attempt to access beyond end of device
Jun 25 14:34:50 arctokIA-vm24 kernel: VxVM22002: rw=1, want=36028797016252418, limit=209639424
Jun 25 14:34:50 arctokIA-vm24 kernel: vxfs: msgcnt 4 mesg 038: V-2-38: vx_dataioerr - /dev/vx/dsk/vgd_share/sw_lv file system file data write error in dev/block 0/36028797016252416
 

An internal alignment issue causes the system to calculate an invalid block location during direct I/O. This leads to an I/O request beyond the actual size of the device.

The issue is resolved by ensuring that internal offset alignment uses the correct data size. This prevents incorrect block calculations and avoids I/O errors during direct file access operations.
 
Impacted Versions:
VRTSvxfs -8.0.0.3600
VRTSvxfs -9.0.0.0000
VRTSvxfs-8.0.0.3501
VRTSvxfs-8.0.2.2601
VRTSvxfs-8.0.0.3601
 
Note: The problem fails the IO to the file system with the mentioned errors. File systems are safe and won't be corrupted due to these errors. 
 

 

Direct I/O operations on VxFS files may fail with I/O errors due to incorrect internal offset alignment logic during extent clearing.

Error Message

System logs or dmesg output may show messages like: Jun 25 14:34:50 arctokIA-vm24 kernel: attempt to access beyond end of device
Jun 25 14:34:50 arctokIA-vm24 kernel: VxVM22002: rw=1, want=36028797016252418, limit=209639424
Jun 25 14:34:50 arctokIA-vm24 kernel: vxfs: msgcnt 4 mesg 038: V-2-38: vx_dataioerr - /dev/vx/dsk/vgd_share/sw_lv file system file data write error in dev/block 0/36028797016252416