Networker

Re: [Networker] recommendation to backup 1.5 million small files?

2008-01-30 20:30:15
Subject: Re: [Networker] recommendation to backup 1.5 million small files?
From: Craig Worthington <craig.worthington AT NRM.QLD.GOV DOT AU>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Thu, 31 Jan 2008 11:21:53 +1000
yes, that's 1 one directory. It takes days to backup, even 3 million
files takes 30+ hours to backup. I know it's the worst way to organise
data but it was given to us by a external programmer.

so is there a way using legato to bypass the filesystem layer ?

CraigW

On Wed, 2008-01-30 at 03:35, Tim Mooney wrote:
> In regard to: Re: [Networker] recommendation to backup 1.5 million small...:
> 
> > I'm having the same problem with 2 directories on UNIX servers (SGI and
> > Solaris), 1 is 3million and the other 15million files.
> 
> Wait -- you're not just talking about 15 million files on one filesystem,
> you're talking about 15 million files in one directory?  What's the
> filesystem type?  How long does
> 
>       time ls > /dev/null
> 
> in that directory take?
> 
> Very few filesystems handle large numbers of files in one directory very
> well.  If standard commands take a long time to process the directory,
> NetWorker will do no better.  You will have to bypass the filesystem layer
> to get any kind of decent performance.
> 
> Tim
> -- 
> Tim Mooney                                        Tim.Mooney AT ndsu DOT edu
> Information Technology Services                   (701) 231-1076 (Voice)
> Room 242-J6, IACC Building                        (701) 231-8541 (Fax)
> North Dakota State University, Fargo, ND 58105-5164
> 
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