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Solaris

Backup for HW Mirrored Disks

 
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Operating Systems Solaris Backup for HW Mirrored Disks
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Old 03-03-2009
Backup for HW Mirrored Disks
We use SW mirroring (RAID1) using SVM for our SUN servers (which we OEM to end clients with our application on). When I need to make a tape backup for the server (disk), I disable mirroring and perform backup of the entire disk to tape using ufsdump. This process requires an outage and sensitive as there is no room for mistakes. It is relatively complicated to other engineers/clients to do this and support SW mirroring using SVM on regular basis (as experienced in the last few years supporting this). So I decided to got for HW mirroring using raidctl which seems to be more straight forward and reliable. However, I am exploring option to make tape backup strategy for the whole disk with minimum outage and relatively easy steps/procedure. I can think of FLAR to tape... but can anyone suggest something based on experience that is reliable and easier to do?
Last edited by StarSol; 03-03-2009 at 07:39 PM..
 
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LEARN ABOUT REDHAT

bdb.db0

BDB.DB0(5)							AFS File Reference							BDB.DB0(5)

NAME

       bdb.DB0, bdb.DBSYS1 - Contain the Backup Database and associated log

DESCRIPTION

       The bdb.DB0 file contains the Backup Database, which records configuration information used by the AFS Backup System along with cross-
       indexed records of the tapes created and volumes dumped using the Backup System commands.

       The bdb.DBSYS1 file is a log file in which the Backup Server (buserver process) logs each database operation before performing it. When an
       operation is interrupted, the Backup Server replays the log to complete the operation.

       Both files are in binary format and reside in the /var/lib/openafs/db directory on each database server machine that runs the Backup
       Server.	When the Backup Server starts or restarts on a given machine, it establishes a connection with its peers and verifies that its
       copy of the bdb.DB0 file matches the copy on the other database server machines. If not, the Backup Servers use AFS's distributed database
       technology, Ubik, to distribute to all of the machines the copy of the database with the highest version number.

       Use the commands in the backup suite to administer the Backup Database. It is advisable to create a backup copy of the bdb.DB0 file on tape
       on a regular basis, using the UNIX tar command or another local disk backup utility.

SEE ALSO

       backup(8), backup_savedb(8), buserver(8)

COPYRIGHT

       IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved.

       This documentation is covered by the IBM Public License Version 1.0.  It was converted from HTML to POD by software written by Chas
       Williams and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell.

OpenAFS 							    2012-03-26								BDB.DB0(5)