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Full Name: chris moreno

Error During Oracle Database Explorer Restore

Post by chaosad » Mar 10, 2016 8:27 pm

We are trying to restore one of our backed up Oracle Databases via Veeam to a new server via Oracle Explorer. On this server we already have Oracle installed exactly the same as the server the restore is coming from, including having ASM installed. There are currently 4 other instances already running on this server that the restore is going to.

We get to the step where it is trying to restore, but ends with following:

Code: Select all

3/10/2016 2:34:41 PM   20 (10836) Connecting to Linux host using password authentication: (SSH port: 22, user: veeam)...
3/10/2016 2:34:41 PM   20 (10836)   elevate account to root
3/10/2016 2:34:41 PM   20 (10836) Setting TCP socket for faster operations on the loopback interface...
3/10/2016 2:34:41 PM   20 (10836)   server version: SSH-2.0-OpenSSH_5.3
3/10/2016 2:34:41 PM   20 (10836)   successfully connected.
3/10/2016 2:34:41 PM   20 (10836)   successfully opened
3/10/2016 2:34:42 PM   20 (10836) The following ASM group will be attached to target server: FRA, REDO, DATA
3/10/2016 2:34:42 PM   20 (10836) Attaching ASM data group FRA...
3/10/2016 2:34:42 PM   20 (10836)   Oracle ASM disk mark changed for ORCL: to ORCL:VEEAMVMYU (ASM data group: FRA)
3/10/2016 2:34:42 PM   20 (10836)   Renaming ASM data group FRA to FRA_001...
3/10/2016 2:34:42 PM   20 (10836) Warning: Failed to execute command: '/u01/app/grid/product/11.2.0/grid/bin/renamedg' dgname=FRA newdgname=FRA_001 verbose=true phase=two config='/tmp/9e28ada9-6023-4101-8f63-8009a88813ae'
3/10/2016 2:34:42 PM   20 (10836) Failed command output: Error 27090 requesting async resources
falling back to sync, expect performance degradation
NOTE: No asm libraries found in the system

Has anyone else encountered this problem? We are really confused on why it is trying rename our ASM Disk group already established for FRA to FRA_001

Veeam 9 using Oracle Explorer
RHEL 5 Linux
ASM - not using asmlib. instead using udev rules

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Full Name: Tom Sightler

Re: Error During Oracle Database Explorer Restore

Post by tsightler » Mar 11, 2016 3:07 am

chaosad wrote:ASM - not using asmlib. instead using udev rules
My understanding is that ASMlib is a requirement for ASM support on Linux with the current v9 B&R release. Even after installing ASMlib I had some problems with a very similar configuration (CentOS 5 + Oracle/ASM because the disk were taking a few seconds to appear after being attached and renamedg was being run almost immediately before asmlib had mapped them. I ended up creating a little wrapper script to add a short sleep before the renamedg script. Not sure if you're seeing the same issue as well, but without ASMlib I'm not sure if it's going to work either way.

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Full Name: Alexander Fogelson

Re: Error During Oracle Database Explorer Restore

Post by foggy » Mar 11, 2016 11:07 am

Correct, ASMlib is required. Anyway, Chris, we'd appreciate if you open a support case for this issue.

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