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Re: [Veritas-bu] Disk Staging to tape
2010-11-22 11:06:27
I was thinking if you are using cron to disable/enable SLP, you are placing artificial limitations on your solution; but then remembered nbstlutil – which I guess is the command Rusty is talking about…? The benefit of using SLP and stopping/starting the image duplication (for a specific lifecycle) with cron means you can use the same resources for other lifecycles, whereas using a Basic disk you will be limited to only writing the data with the weird commit to tape requirements (as your specific scheduling is configured for). So it depends if you want the disk storage to be available for other backups as well, or just these ones (not just now, but potentially in the future). Cheers, Nic From: veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Todd Jackxon
Sent: 20 November 2010 01:31
To: Rusty.Major AT sungard DOT com
Cc: Nic Solomons; veritas-bu AT mailman.eng.auburn DOT edu; veritas-bu-bounces AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] Disk Staging to tape The need is actually a requirement created by the business, not my personal decision. We are actually licensed for Advanced Disk to set this up however needed. So if the best approach is SLP we are totally licensed (Capacity Licensing). Which manual is it that addresses using cron? On Fri, Nov 19, 2010 at 11:57 AM, <Rusty.Major AT sungard DOT com> wrote:
If that's what you want to do, then Nic's suggestion is the best for you. It's also probably the cheapest as SLP requires Advanced Disk and associated licensing.
However, if you want to use SLP in that manner, then you will have to utilize cron to disable and enable SLP for the times you want it to run. It is specifically designed to get the duplications completed as soon as it can and therefore does not (currently) have a window like classic DSSUs. Using cron is actually mentioned in the manual or best practice guide so it is a recognized workaround.
I'm curious what your need is to schedule it to tape on certain days?
Rusty Major, MCSE, BCFP, VCS ▪ Sr. Storage Engineer ▪ SunGard Availability Services ▪ 757 N. Eldridge Suite 200, Houston TX 77079 ▪ 281-584-4693
Keeping People and Information Connected® ▪ http://availability.sungard.com/
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Oh, yeah, sorry.
In brief:
-Create a basic DSSU.
-Backup policies as per normal (i.e. daily jobs, after hours, whatever you do), pointed at your newly created DSSU as the destination storage unit.
-DSSU configured with a schedule (either using the GUI, or bpschedule – which works similar to bpplsched, but is just for DSSUs); the schedule in the DSSU specifies your destination storage unit / volume etc (which is how you get it to tape), and this is where you specify the 2 days you want it to go to tape.
If you want anymore info on it, let me know.
Cheers,
Nic
From: Todd Jackxon [mailto:netbackup.info AT gmail DOT com]
Sent: 19 November 2010 13:35
To: Nic Solomons
Subject: Re: [Veritas-bu] Disk Staging to tape
Hi Nic
Thanks for the follow up. Can you briefly decribe how you would set this up or have set this up?
I'm trying to understand the how both , disk and tape, policies would combine.
It doesn't need to use an SLP - whichever works best
Thanks again
Jack
On Fri, Nov 19, 2010 at 1:36 AM, Nic Solomons <Nic.Solomons AT attenda DOT net> wrote:
Do you specifically need to use an SLP?
What you want to do can be achieved easily with a basic DSSU.
The destage schedule works like a normal policy schedule, so only running on 2 specific days a week is a simple proposition...
Cheers,
Nic
----- Reply message -----
From: "Todd Jackxon" <netbackup.info@gmail.com>
Date: Fri, Nov 19, 2010 05:39
Subject: [Veritas-bu] Disk Staging to tape
To: "veritas-bu AT mailman.eng.auburn DOT edu" <veritas-bu AT mailman.eng.auburn DOT edu>
Hello
I am working on a plan to backup clients to disk and later stage these off to tape.
Can anyone elaborate how this is being done from your end?
Basic Idea:
Backups occur daily to disk and the business would like to stage these to tape twice a week.
Creating a Life Cycle policy I can run a backup job and a duplication job to tape but there is no
way to schedule this to tape on certain days. Just the ability to run a duplication job.
Within a normal policy you can run an inline copy to run concurrently (up to 4 storage units) but this
appears to be backups running at the same time.
How can I combine these methods (or use another method) to run my life cycle policy backup and then
stage these to tape on a Tuesday and Thursday? Any information would be appreciated.
Thanks
Jack
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