The lock observed is SHARE ROW EXCLUSIVE MODE LOCKS in the catalog database. Platform 9206 Solaris 5.8 Generic 117350-24 Refer Metalink Note 247611.1 (we created indexes .. but it did not fix the problem) Solution: Doc ID: Note:3966722.8 Subject: Bug 3966722 - Concurrent RMAN backups wait on TM enqueue on CKP table <Quote from Metalink> Concurrent RMAN backups wait on TM enqueue on CKP table when multiple resyncs are performed in parallel for same/different databases. There is no error signaled, but the backup job will not continue until the resync in first job is completed. </Quote from Metalink) We patched 9207 for the catalog server but we are using 9206 binary since our target dbs are <= 9206. It helped fixed the problem. For RMAN target Vs RMAN executable binary compatibility matrix refer Doc ID: Note:73431.1 HTH GovindanK On Wed, 17 Aug 2005 08:41:17 -0700, "GovindanK" <gkatteri@xxxxxxxxxxx> said: > We moved all our dbs to 9206 ; All except the one which had RMAN > catalog worked well. The catalog showed up locking and the OS rman cmd > was not disconnecting later. We had to patch our 9206 catalog to 9207 > followed by using 9206 rman executable and the 9207 catalog (refer RMAN > compatibility matrix). Now things are fine. I will give you the bug > number and the matrix soon. > > HTH > > GovindanK > > > > From: raja rao [mailto:raja4list@xxxxxxxxx] > > > Sent: Tuesday, August 16, 2005 2:43 PM > > > To: oracle list > > > Subject: 9205 to 9206 > > > Hi All, > > > we are planning to migrate from 9205 to 9206 (oracle apps 11.5.10). > > > is 9206 stable compare with 9205 ? > > > anybody encountered any issues ? > > > Thanks, > > > Raj -- //www.freelists.org/webpage/oracle-l