RE: RMAN backup and get bad block error messages?
Date: Thu, 30 Jul 2009 11:52:44 -0400
You should now run a test to determine how much damage this file has sustained. If its just one bad block, and it appears empty, then the damage is minimal. Because you have a RMAN setting (probably default) that says "stop after 1 bad block" you do not know the scope of the damage.
Your first step is Metalink technote 28814.1 and also 283053.1
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of dba1 mcc Sent: Thursday, July 30, 2009 8:11 AM
Subject: RMAN backup and get bad block error messages?
we have ORACLE 11G on LINUX server. We just created a new EBS system and perform the database backup. When I do "cold backup" and "hot backup", there is NO error. While I perform RMAN backup and I got error messages:
RMAN-03009: failure of backup command on ORA_DISK_1 channel at
ORA-19566: exceeded limit of 0 corrupt blocks for file
Alter.log also have messages:
Hex dump of (file 352, block 165656) in trace file
Corrupt block relative dba: 0x58028718 (file 352, block 165656) Completely zero block found during backing up datafile Reread of blocknum=165656,
file=/u/EBS/EBSDB01/db/apps_st/data/system04.dbf. found same corrupt data
My question are:
- Why "cold backup" and "hot backup" Not complain, but RMAN complain?
- how to fix this bad block without lost data?
Thanks.Received on Thu Jul 30 2009 - 10:52:44 CDT