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Thread: Backup copy group
02-02-2012, 02:14 AM #1
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Backup copy group
Can some one explain backup copy group with an example, When the mode is set to modified. I am a bit confused.
And also please explain me the difference between libvol and vol and any other way to perform reclamation, Other than reclaim stgpool command?
Thanks in advance,
02-02-2012, 04:30 AM #2
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Refer to 'TSM concepts guide', It explains more enough of copygroup. Understanding the policy management is quite tricky in sole TSM.
There are 4 parameters in backup/archive copygroup which holds the details of how we treat the backedup data. Read the copygroup section thoroughly, let us know If u still have any queries.
libvolume- are the volumes exist in the library (eg: physical tapes, virtual tapes), they will be only of type sequential
volume - are the volumes exist in the library and server (eg:disk & tape volumes) , they will be mostly of type sequential and random
You can also use "upd stgp STGPOOLNAME reclaim=xx%" for reclamationHema
02-02-2012, 05:05 AM #3
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Hiii I also have the same doubt about the mode parameter in the copy group,
First i have taken a full incremental backup with "mode=modified".
PRDDMWEB1:/tmp # dsmc incr /home/* -su=yes
IBM Tivoli Storage Manager
Command Line Backup-Archive Client Interface
Client Version 6, Release 2, Level 0.0
Client date/time: 02/02/2012 14:28:25
(c) Copyright by IBM Corporation and other(s) 1990, 2010. All Rights Reserved.
Node Name: PRDDMWEB1
Session established with server DMTSM_SERVER1: Windows
Server Version 6, Release 2, Level 2.0
Server date/time: 02/02/2012 14:30:28 Last access: 02/02/2012 14:29:14
Incremental backup of volume '/home/apache'
Incremental backup of volume '/home/dailybkp040112.log'
Incremental backup of volume '/home/itimuser'
Incremental backup of volume '/home/jakarta'
Incremental backup of volume '/home/lost+found'
Incremental backup of volume '/home/tcs_user'
Successful incremental backup of '/home/tcs_user'
Successful incremental backup of '/home/apache'
Successful incremental backup of '/home/dailybkp040112.log'
Successful incremental backup of '/home/itimuser'
Successful incremental backup of '/home/jakarta'
Successful incremental backup of '/home/lost+found'
Total number of objects inspected: 241
Total number of objects backed up: 0
Total number of objects updated: 0
Total number of objects rebound: 0
Total number of objects deleted: 0
Total number of objects expired: 0
Total number of objects failed: 0
Total number of bytes inspected: 13.61 MB
Total number of bytes transferred: 0 B
Data transfer time: 0.00 sec
Network data transfer rate: 0.00 KB/sec
Aggregate data transfer rate: 0.00 KB/sec
Objects compressed by: 0%
Total data reduction ratio: 100.00%
Elapsed processing time: 00:00:06
And i had changed the "mode=Absolute"
I got the same output as above.
I have studied in the help page of the copy group in that " ABSolute
Specifies that Tivoli Storage Manager backs up the file regardless
of whether it has been modified."
Please clarify this.
Hiii newtotivoli ,
libvol -- (library volumes) these are the volumes you checked them into the tsm control.
volumes ---- volumes defined in the storage pools.
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