VMware ESXi 4.0 using RDM for NSS volumes
OES2sp2

I randomly get pool deactivates. Sometimes twice a day and sometimes every couple of months.

I've run a pool verify, rebuild and rebuild with rezid.

Any ideas?

Joel

kernel: NSSLOG ==> [Error] comnPool.c[2554]
kernel: Sep 3, 2010 3:06:51 pm NSS<COMN>-4.12a-xxxx:
kernel: Pool EMPLOYEE: System data error 20012(zfsFileMap.c[5027]). Block 307419355(file block -307419355)(ZID -9223372036824796360)
kernel: NSSLOG ==> [Error] comnVol.c[9341]
kernel: Sep 3, 2010 3:06:51 pm NSS<COMN>-4.12a-xxxx:
kernel: Volume EMPLOYEE: System data error 20012(zfsFileMap.c[5027]). Block 307419355(file block -307419355)(ZID -9223372036824796360)
kernel: err=20801 comnVol.c[894]
kernel: NSSLOG ==> [Error] zfsVolumeData.c[218]
kernel: Sep 3, 2010 3:06:51 pm NSS<ZLSS>-4.12a-1449:
kernel: Error reading VolumeData Block 275, status=20206.
kernel: NSSLOG ==> [Error] zfsVolumeData.c[218]
kernel: Sep 3, 2010 3:06:51 pm NSS<ZLSS>-4.12a-1449:
kernel: Error reading VolumeData Block 275, status=20206.
kernel: NSSLOG ==> [Error] zfsVolumeData.c[218]
kernel: Sep 3, 2010 3:06:51 pm NSS<ZLSS>-4.12a-1449:
kernel: Error reading VolumeData Block 264484867, status=20206.
kernel: NSSLOG ==> [Error] zlssLogicalVolume.c[4991]
kernel: Sep 3, 2010 3:06:51 pm NSS<ZLSS>-4.12a-1449:
kernel: Error reading PoolData Block 264484870, status=20206.
kernel: NSSLOG ==> [Error] zfsVolumeData.c[218]
kernel: Sep 3, 2010 3:06:51 pm NSS<ZLSS>-4.12a-1449:
kernel: Error reading VolumeData Block 264484867, status=20206.
kernel: NSSLOG ==> [Error] zlssLogicalVolume.c[4991]
kernel: Sep 3, 2010 3:06:51 pm NSS<ZLSS>-4.12a-1449:
kernel: Error reading PoolData Block 264484870, status=20206.
kernel: NSSLOG ==> [Error] zfsVolumeData.c[218]
kernel: Sep 3, 2010 3:06:51 pm NSS<ZLSS>-4.12a-1449:
kernel: Error reading VolumeData Block 264484867, status=20206.
kernel: NSSLOG ==> [Error] zlssLogicalVolume.c[4991]
kernel: Sep 3, 2010 3:06:51 pm NSS<ZLSS>-4.12a-1449:
kernel: Error reading PoolData Block 264484870, status=20206.
kernel: NSSLOG ==> [MSAP] comnLog.c[201]
kernel: Pool "EMPLOYEE" - MSAP deactivate.
kernel: NSS: Clearing the NSS private cache for a pool