ArchiveLogs on NetApps ?
- From: Hemant K Chitale <hkchital@xxxxxxxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Tue, 07 Dec 2004 00:18:08 +0800
We've just begun our first NetApps [9iRAC on Linux] implementation.
What I've found in testing so far is
a) Writing ArchiveLogs to a NetApps Filer volume seems to be very slow
[5min for a 100MB
logfile against 30seconds on local disks] Do the ArchiveLog Dest volumes
have to be mounted
with the same NFS options as the Database Files volumes ?
b) Testing recoveries using SNAP CREATE and SNAP RESTORE we find that we
frequently
encounter a corrupt block in the last ArchiveLog being written to the
ArchiveLog Dest volume.
Any ideas why ?
Backup :
BEGIN BACKUP
Snap Create Database Files Volume
END BACKUP ;; ARCHIVE LOG CURRENT a few times
Snap Create ArchiveLog Files Volume
Recovery :
Snap Restore Database Files Volume
Snap Restore ArchiveLog Files Volume
RECOVER DATABASE USING BACKUP CONTROLFILE UNTIL CANCEL
Hemant K Chitale
http://web.singnet.com.sg/~hkchital
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