Hello Robert, Saturday, March 17, 2007, 6:49:05 PM, you wrote:
RM> Hello Thomas, RM> Saturday, March 17, 2007, 11:46:14 AM, you wrote: TN>> On Fri, 16 Mar 2007, Anton B. Rang wrote: >>> It's possible (if unlikely) that you are only getting checksum errors on >>> metadata. Since ZFS always internally mirrors its metadata, even on >>> non-redundant pools, it can recover from metadata corruption which does not >>> affect all copies. (If there is only one LUN, the mirroring happens at >>> different locations on the same LUN.) TN>> I thought about that but looking at the NFS server the real data should be TN>> much much more than metadata so I would consider it unlikely. Also in the TN>> now redundant setup we see checksum errors on both attached RAIDs TN>> Any hints on how to track down the problem to the HBA, cables, RAID and so TN>> on? We see similar things on all our machines with few exceptions. Talking TN>> to local Sun folks we have been "warned" before that checksum errors will TN>> show up and that it's considered normal. Nevertheless I really want to TN>> know what they are about RM> I have an opened CR for months now about the same problem - lot of RM> CKSUM errors all seem to be only meta-data related which is highly RM> unlikely. We've reinstalled servers to U3 and SC3.2 and for last few days no single CKSUM error (the same pools were imported) - so maybe something wrong was with U2. -- Best regards, Robert mailto:[EMAIL PROTECTED] http://milek.blogspot.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
