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  3. May 2013

RE: BRMS recovery

I've done some additional IFS save testing, with and without SWA.
IFS with SWA resulted in no improvement for number of objects saved, same amount were excluded.
It did double the IFS same time.
Has anyone had success with IFS SWA?
At this point, I do not have an IFS save solution that will result in a good speedy recovery.
Any thoughts from the group.

IFS full save with SWA *YES - 242902 objects saved. 192 not saved. 36 minutes
IFS full save with SWA *NO - 242902 objects saved. 192 not saved. 17 minutes
IFS full save with SWA *SYNC - 242902 objects saved. 192 not saved. 25 minutes

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Paul Fenstermacher
Sent: Tuesday, May 14, 2013 1:44 PM
To: Midrange Systems Technical Discussion
Subject: RE: BRMS recovery

Yes we use SWA and we use omits in the IFS. The missed IFS objects are log files we don't care about.


Paul Fenstermacher | Sys/NW Admin,Sr | Corporate Systems - POWER Systems Administration | Jack Henry & Associates, Inc.(r)
663 West Highway 60 | Monett, MO 65708 | Ph. 417.235.6652 | x177389 | pfenstermacher@xxxxxxxxxxxxx


-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Steinmetz, Paul
Sent: Wednesday, May 08, 2013 2:27 PM
To: 'Midrange Systems Technical Discussion'
Subject: RE: BRMS recovery

Paul,

How do you handle the IFS (*LINK) and QLNKOMT?
Do you use Save While Active?

Paul

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Paul Fenstermacher
Sent: Wednesday, May 08, 2013 3:20 PM
To: Midrange Systems Technical Discussion
Subject: RE: BRMS recovery

Been doing it for years and I wouldn't think about doing it without BRMS. It's a complete, functional product and I would suggest you keep working with it.


Paul Fenstermacher | Sys/NW Admin,Sr | Corporate Systems - POWER Systems Administration | Jack Henry & Associates, Inc.(r)
663 West Highway 60 | Monett, MO 65708 | Ph. 417.235.6652 | x177389 | pfenstermacher@xxxxxxxxxxxxx


-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Steinmetz, Paul
Sent: Tuesday, May 07, 2013 11:54 AM
To: 'Midrange Systems Technical Discussion'
Subject: RE: BRMS recovery

I've completed my BRMS test recovery, with limited success. Libraries went well, DFID did its job. IFS is another story.
Did you know, (per IBM development, not yet documented, new knowledge base doc is being written) if you use QLNKOMT list and *LINK in your BRMS saves, only the very last *LINK is presented for recovery. I always assumed that my entire IFS would be restored from my last dedicated system save. This is not the case. We use QLNKOMT due to all IFS locked items that cannot be saved while active.

So either before step 19 in the BRMS recovery report, or immediately after, one would have to do either
1) QSYS/WRKMEDIBRM LIB(*LINK) , position back to last dedicated system save, and manually select all the items that were omitted.
2) Have a CL already created with all items from the QLNKOMT list.

__ STEP 019 : Recover Directories and Files

Saved Save ----- ASP ------ Save Save Not Sequence Control Volume
Item Type Name Number Date Time Saved Saved Number Group Identifier Encrypt
---------- ------- ---------- ----- -------- -------- ------- ------- --------- ---------- ---------------------------- -------
*LINK *FULL *SYSBAS 00001 5/06/13 0:21:45 194,424 0 14727 SAVFULL05 001008

In summary, I am really considering not using BRMS for system recovery purposes, (too many nuances and exclusions in the recovery report), not too also mention it is very slow.
It is great for individual application recovery, but it needs a lot of work for total system recovery.
Last year, migrating from P5 to P7, I did a P5 Save 21 LTO3, followed by a P7 Restore 21 LTO5. Total migration was 8 hours, 4 hour save, 2 hour restore (SSD drives)

So, I'm asking the group, how do you all recovery your systems when they fail? Restore 21, BRMS Recovery, or custom.
I'm leaning towards Document Number: 457133341 Restoring a System without BRMS When the Save Was Done with BRMS

It is possible to restore a system from a save done using BRMS without using BRMS for the restore. However, when doing this, there are some precautions users must be aware of.
o It is suggested that QMSE, QUSRBRM, and QBRM libraries be restored after the License Internal Code and the operating system have being restored. This prevents errors from occurring when QUSRSYS library is restored.
o BRMS does not do a *NONSYS save of the libraries: RSTLIB SAVLIB(*IBM) OMITLIB(QMSE QBRM) and RSTLIB SAVLIB(*ALLUSR). QUSRBRM is not saved in *ALLUSR; therefore, there is no need to omit it.
o GO RESTORE Option 21 can not be used.
o Example of the commands to be used are as follows:
Restore the License Internal Code and the operating system RSTLIB SAVLIB(QBRM QMSE QUSRBRM) RSTUSRPRF RSTCFG RSTLIB SAVLIB(*IBM) OMITLIB(QMSE QBRM) RSTLIB SAVLIB(*ALLUSR) RSTDLO RST DEV('QSYS.LIB/media device name.DEVD') OBJ(('/*') ('/QSYS.LIB' *OMIT) ('/QDLS' *OMIT)) ENDOPT(*LEAVE)
RSTOBJ OBJ(*ALL) SAVLIB(QUSRBRM) MBROPT(*ALL) ALWOBJDIF(*AUTL *FILELVL *OWNER *PGP)
RSTAUT

Paul



-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of rob@xxxxxxxxx
Sent: Monday, April 22, 2013 10:15 AM
To: Midrange Systems Technical Discussion
Subject: Re: BRMS recovery

Paul is surely doing a thorough test. Many shops may do incrementals but when it comes to their system test they always perform a full system save immediately beforehand and do the restore with that. Paul is not. He's really testing that.

He is even having me think about our systems full recovery. For example, we do a full system save on our primary machine once a quarter. That is the only time, ever, that tape touches that machine. For nightly backups we do backups on our Mimix backup lpar. Once a quarter we have reviews (before the save time rolls around). The BRMS reports do not address this situation and we pretty much have to wing that. Yeah, we ought to document this sometime...


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1 Group Dekko Dept 1600 Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com

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