We had a few of these errors on one of our server:

Message from server HQCLFS:
Received Thursday, December 29, 2005 11:00:27 PM (4 of these messages
received):

NSS-2.70-5009: Pool HQ01/HQFS had an error

===============
Message from server HQ01:
Received Thursday, December 29, 2005 11:00:27 PM (4 of these messages
received):

NSS-2.70-5008: Volume HQ01/APPS had an error

Message from server HQ01:
Received Friday, December 30, 2005 2:59:44 AM (4 of these messages
received):

NSS-2.70-5008: Volume HQ01/SYS had an error

=================
Message from server HQ01:
Received Friday, December 30, 2005 2:59:45 AM (2 of these messages
received):

NSS-2.70-5009: Pool HQ01/SYS had an error

Any idea what can cause this? We are running Netware 6.5 SP4 with post SP4
NSS 4B.

Thanks.