Amanda-Users

Re: Increasing Restore Speed

2005-08-19 14:27:53
Subject: Re: Increasing Restore Speed
From: Jon LaBadie <jon AT jgcomp DOT com>
To: amanda-users AT amanda DOT org
Date: Fri, 19 Aug 2005 14:02:39 -0400
On Fri, Aug 19, 2005 at 12:54:48PM -0400, Brian E. Seppanen wrote:
> On Fri, 19 Aug 2005, Jon LaBadie wrote:
> 
> >
> >If you are "restoring" 21GB, that sounds like entire DLEs/filesystems.
> >amrecover is used more for selected files or directory trees.
> >
> >Perhaps your greatest speedup could come from using amrestore to extract
> >the raw archive from tape, transfering that to the client as a single
> >file, then using tar/restore (with gunzip as needed) to expand the entire
> >archive locally.
> >
> 
> Disk space is a limiting factor in doing that.     I'd need 42Gb of 
> storage and only have 36GB available.

Stepping down a little, I'm pretty sure amrestore could be run from the
client rather than amrecover.  Should still be faster.  Or get the
archive on the server and nfs mount its directory on the client.
Or, can't ssh be used to pipe the archive to the tar/restore on the
client?
-- 
Jon H. LaBadie                  jon AT jgcomp DOT com
 JG Computing
 4455 Province Line Road        (609) 252-0159
 Princeton, NJ  08540-4322      (609) 683-7220 (fax)

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