BackupPC-users

Re: [BackupPC-users] Backing up the backup to an external USB drive

2008-12-15 16:00:09
Subject: Re: [BackupPC-users] Backing up the backup to an external USB drive
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: Mon, 15 Dec 2008 14:27:57 -0500
John Rouillard wrote at about 16:55:04 +0000 on Monday, December 15, 2008:
 > On Mon, Dec 15, 2008 at 12:35:38PM +0100, Holger Parplies wrote:
 > > Hi,
 > > 
 > > Andreas Micklei wrote on 2008-12-15 10:13:38 +0100 [Re:
 > [BackupPC-users]
 > > Backing up the backup to an external USB drive]:
 > > > Am Freitag, 12. Dezember 2008 schrieb Rich Rauenzahn:
 > > > > Some of you running dd might want to consider "dump"
 > > > > [...]
 > > > 
 > > > I have been doing that for about two years now. Works great!
 > > 
 > > I've been meaning to ask/point this out for some time now. Has
 > > anyone actually
 > > tried *restoring* a dump of a *reasonably sized* pool? The reason
 > > I'm asking is
 > > that as far as I understand the man page, restore runs completely in user
 > > space, so it is faced with the same problem as cp/rsync/tar - the
 > > need to keep
 > > an inode-to-path-name mapping for correctly re-creating hardlinks. It is
 > > possible that restore can handle this problem, but I wouldn't take it for
 > > granted without testing.
 > 
 > I have and it didn't work using the dump from centos on a 401 GB
 > filesystem. Errored on a "File too large".
 > 
OUCH!
That would hurt in a real recovery situation.
Is there any solution? (or warning when you are making the dump at least)

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