Hi Scott,
I followed the NetBackup 7 De Dupe guide it explains how to create the
puredisk storage unit / disk pool etc.
Justin.
On Tue, 6 Apr 2010, scott.george AT parker DOT com wrote:
> I have been working on this as well, trying to get media server dedup
> working. I am caught in a type of chicken/egg loop. I can't create a
> PureDisk storage unit, because I don't have a disk pool, but when I go to
> create a disk pool, I don't have any volumes available. Just exactly what
> volume is it looking for? Googling around, it would appear that my media
> server doing the dedup would need to be PDOS. The documentation says that
> RHEL 5 is a supported OS for media server dedup. What gives?
>
> BTW to Justin, there is no way to dedup to tape. None, nada, never.
>
>
>
>
>
> From:
> Justin Piszcz <jpiszcz AT lucidpixels DOT com>
> To:
> "Chapman, Scott" <Scott.Chapman AT icbc DOT com>
> Cc:
> veritas-bu AT mailman.eng.auburn DOT edu
> Date:
> 04/06/2010 12:03 PM
> Subject:
> Re: [Veritas-bu] NBU7 / De-Dupe?
> Sent by:
> veritas-bu-bounces AT mailman.eng.auburn DOT edu
>
>
>
> I believe you are correct, I asked if it was possible to do it with tape
> (crazy!) idea but no response yet =) It looks like its limited to
> Puredisk/NBU7 disk tool.
>
> On Tue, 6 Apr 2010, Chapman, Scott wrote:
>
>> Has anybody tried client side de-dup with something other than a
>> puredisk pool? (puredisk or netbackup 7 disk pool) It is my
>> understanding (which could be incorrect;-) that you can't use netbackup
>> 7 client side de-dup with any other type of disk pool. ie you can't
>> use data domain on the backend when using client side dedup.
>>
>>
>>
>> Thanks!
>>
>>
>>
>> Scott Chapman
>>
>> Senior Technical Specialist
>>
>> Storage and Database Administration
>>
>> ICBC - Victoria
>>
>> Ph: 250.414.7650 Cell: 250.213.9295
>>
>> From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
>> [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of David
>> Stanaway
>> Sent: Friday, April 02, 2010 6:29 AM
>> To: veritas-bu AT mailman.eng.auburn DOT edu
>> Subject: Re: [Veritas-bu] NBU7 / De-Dupe?
>>
>>
>>
>>
>> These number aren't that hot compared to DataDomain from my use of it.
>>
>> We are seeing 86TB of backup images occupying 4.4TB of phys disk.
>>
>> On 4/1/2010 12:07 PM, Jon Bousselot wrote:
>>
>> I set it up in a small test environment, and started backing up three
>> clients into a deduplication pool exclusively. 2 windows and 1 linux
>> system
>>
>> The first pass wasn't that impressive, maybe a 5% to 10% de-dup ratio
>> and it took a bit longer than just streaming that same data to tape or
>> disk.
>>
>> The second pass had a 90% deduplication ratio, mostly because just 1
>> week had passed since the first full backup and not every file changed.
>>
>>
>> After three weeks, I had about 300GB of data deduplicated down into
>> about 90GB of disk space. The kbytes total reported from the catalog
>> said 300G, and df -k said 90G.
>>
>>
>>
>> The data content of the three systems is typical for a user workstation.
>> Email, photos, miscellaneous files. De-dup let me put many versions of
>> those same files into a backup without actually having many copies of
>> that file spinning on disk.
>>
>>
>>
>> And then the disk holding the de-duplicated data developed a bunch of
>> bad sectors and I lost it all. Once I rebuild it, I'll check out the DR
>> process for protecting your de-dup database and files.
>>
>>
>>
>> I also want to test client side de-duplication to see if that helps
>> stream data compared to media server de-duplication alone. The
>> media/master server is a quad core with 8g ram, and the clients are a
>> desktop and a laptop. After seeing it run and observing the space
>> savings it generates, I think it is a very creative way to solve some
>> (not all) problems. It is definitely not a "set it and forget it"
>> technology. You still need to monitor its utilization similar to how
>> you would monitor basic disk or tape usage.
>>
>>
>>
>> -Jon
>>
>>
>>
>> ________________________________
>>
>> From: Justin Piszcz <jpiszcz AT lucidpixels DOT com>
>> <mailto:jpiszcz AT lucidpixels DOT com>
>> To: veritas-bu AT mailman.eng.auburn DOT edu
>> Sent: Thu, April 1, 2010 3:27:36 AM
>> Subject: [Veritas-bu] NBU7 / De-Dupe?
>>
>> Hi,
>>
>> Is anyone using de-dupe?
>>
>> What kind of savings are you seeing?
>>
>> Justin.
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>>
>>
>>
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