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Full Discussion: Backup root disks
Operating Systems Solaris Backup root disks Post 302831505 by hicksd8 on Thursday 11th of July 2013 05:17:33 AM
Old 07-11-2013
Right then. Create a NFS share from the other box and mount it on this one.

Then use

Code:
 
fssnap

command to snapshot the root filesysytem, and then

Code:
 
ufsdump

command giving the remote NFS as the target for the dump. Job done.

Remember to delete the snapshot afterwards.
(You could script all this stuff.)

If you need to restore after a crash, boot from cd into single user, manually plumb, set ip address and mask, and 'up' the network interface, mount the remote NFS, 'newfs' your local root filesysytem, and ufsrestore the whole thing.

Obviously I don't know your experience level and the above may be too brief. Any questions just ask.

EXTRA NOTE: When you execute 'fssnap' this will output a special device name for the snapshot. This is the device you put in the ufsdump command line (NOT /dev/dsk/c0t0d0s0 or /). This special device reads the frozen snapshot of the filesysytem.

Last edited by hicksd8; 07-11-2013 at 06:26 AM..
 

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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)
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