Networker

Re: [Networker] How to speed up this backup (4GB -> 8 hours) ?

2009-03-19 11:24:27
Subject: Re: [Networker] How to speed up this backup (4GB -> 8 hours) ?
From: A Darren Dunham <ddunham AT TAOS DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Thu, 19 Mar 2009 15:18:48 +0000
On Thu, Mar 19, 2009 at 09:48:55AM -0500, Fazil Saiyed wrote:
> Hello,
> I misspoke, i did not realize that many files were in the saveset, i only 
> looked at saveset size, this issue regarding  large number of small files 
> has been around for long time, the only reasonable option might be 
> snapshots and\or NDMP backup ( i believe you can buy and use NDMP licence 
> for server file systems-please check).
> Thanks

NDMP isn't magic.  It's still going to do a filesystem traversal, and if
you want to restore individual files, it still has to send every
filename back to the backup server.

Multiple millions of files will make NDMP go slow as well.

-- 
Darren

To sign off this list, send email to listserv AT listserv.temple DOT edu and 
type "signoff networker" in the body of the email. Please write to 
networker-request AT listserv.temple DOT edu if you have any problems with this 
list. You can access the archives at 
http://listserv.temple.edu/archives/networker.html or
via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER