BackupPC-users

Re: [BackupPC-users] Problems with hardlink-based backups...

2009-09-02 08:35:08
Subject: Re: [BackupPC-users] Problems with hardlink-based backups...
From: "Jeffrey J. Kosowsky" <backuppc AT kosowsky DOT org>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Wed, 02 Sep 2009 08:29:32 -0400
Jim Leonard wrote at about 22:07:36 -0500 on Tuesday, September 1, 2009:
 > >  > I have already mentioned that your filesystem's "dump" utility 
 > >  > works perfectly well for copying your filesystem, hardlinks and all, 
 > >  > ACLs and all, to another filesystem/file/tape/whatever.  I think you 
 > >  > should actually sit down and use it before making claims that 
 > > backuppc's 
 > >  > pool isn't copyable using normal methods.
 > > 
 > > But how does that scale with number of hardlinks? Will it crash and
 > > run out of memory? Will it thrash around in swap? Will it reliably
 > > copy and recreate everything? If it doesn't scale well then it is not
 > > a practical solution.
 > 
 > It scales wonderfully.  Please use dump/vxdump/ufsdump/etc. before 
 > bashing it.

Interesting... just yesterday I believe Holger mentioned that dump is
unlikely to scale. How big a pool have you tried it on?

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