ADSM-L

Re: [ADSM-L] Restore Times

2007-05-23 15:51:34
Subject: Re: [ADSM-L] Restore Times
From: "Rushforth, Tim" <TRushforth AT WINNIPEG DOT CA>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Wed, 23 May 2007 14:50:48 -0500
I hate to mention other products on a TSM list but since you asked...

It was Microsoft's DPM 2006 - Administrator recovery - this is a file
level restore.

I think a TSM restore from disk would get similar results - I'll have to
try sometime to compare.

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Kelly Lipp
Sent: Wednesday, May 23, 2007 2:44 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] Restore Times

I'll buy that: what was the application that did the restore?  Was it
file-by-file or was there some sort of image restore involved? 


Kelly J. Lipp
VP Manufacturing & CTO
STORServer, Inc.
485-B Elkton Drive
Colorado Springs, CO 80907
719-266-8777
lipp AT storserver DOT com

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Rushforth, Tim
Sent: Wednesday, May 23, 2007 12:56 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] Restore Times

FYI,

I recently restored 249 GB - 298,801 files (20,318 folders) in 1 hour 41
minutes on a Windows 2003 R2 SP1 server.

==> 177,505 files per hour

(This restore actually wasn't done with TSM but it does show a higher #
of files created per hour than below.)

Tim Rushforth
City of Winnipeg 


-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Kelly Lipp
Sent: Wednesday, May 23, 2007 10:48 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] Restore Times

I have done some testing on restore times and have concluded that a
Microsoft Windows box can create between 50-60,000 files per hour.  No
faster.  So I would conclude that your restore time is optimum.  Based
on my experience, obviously.  If others have more up-to-date information
about file create speeds, please share.  But I am confident that you
have done what you can do on this particular restore.

For grins, create a very large file and backup and restore that file to
see what you get.  What I have found for small numbers of  large files,
backup time will equal restore time.


Kelly J. Lipp
VP Manufacturing & CTO
STORServer, Inc.
485-B Elkton Drive
Colorado Springs, CO 80907
719-266-8777
lipp AT storserver DOT com

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