I am getting the following errors on one of my 6.5sp2 servers. I know I
have to do a pool verify/rebuild to fix this error. Are there any patches
I should apply before running the rebuild? I know there have been posts
that say the NSS version on SP2 has issues.

NSS-2.70-5009: Pool server/volume had an error
(20012(zfsFileMap.c[4998])) at block 3210238(file block -3210238)(ZID
4106917).

NSS-2.70-5008: Volume server/volume had an error
(20012(zfsFileMap.c[4998])) at block 3210238(file block -3210238)(ZID
4106917).