Re: Extremely large level 1 backups with dump

2010-12-12 Thread Andrei Popescu
On Ma, 07 dec 10, 14:11:14, Karl Vogel wrote: > >All filesystems are ext3, mounted like so: > > rw,nodev,noatime,nodiratime,data=journal noatime implies nodiratime. Regards, Andrei -- Offtopic discussions among Debian users and developers: http://lists.alioth.debian.org/mailman/listi

Re: Extremely large level 1 backups with dump

2010-12-07 Thread Bob Proulx
Karl Vogel wrote: >Here are some machine specifics for perspective. Data! Excellent stuff. >It's an IBM x3400, 2 Xeon 2GHz CPUs, 4Gb memory running RedHat. > ... > total used free sharedbuffers cached >Mem: 19439481576708 367240

Re: Extremely large level 1 backups with dump

2010-12-07 Thread Karl Vogel
>> In an earlier message, I said: K> This box has ~630,000 files using 640 Gbytes, but not many files change K> hourly. >> On Mon, 6 Dec 2010 21:33:01 -0700, Bob Proulx said: B> Note that you must have sufficient ram to hold the inodes in buffer cache. B> Otherwise I would guess that it would b

Re: Extremely large level 1 backups with dump

2010-12-06 Thread Tom H
On Tue, Dec 7, 2010 at 1:29 AM, Peter Tenenbaum wrote: > On Sun, Dec 5, 2010 at 7:15 PM, Peter Tenenbaum > wrote: >> On Sat, Dec 4, 2010 at 4:14 PM, Peter Tenenbaum >> wrote: >>> >>> In thinking this over, I think that the best approach is to simply have a >>> daily rsync --archive from my main

Re: Extremely large level 1 backups with dump

2010-12-06 Thread Peter Tenenbaum
Karl -- So on my first attempt, I realized that I need to exclude the /media directory, or else the backup drive will attempt to back up itself. OK, that's fine. On the second attempt, the backup got into the /proc directory, complained about some files disappearing, and then froze. I don't hav

Re: Extremely large level 1 backups with dump

2010-12-06 Thread Bob Proulx
Karl Vogel wrote: >I'm interested in seeing what kind of grief you're getting from rsync. >I've had to argue with it in the past; feel free to reply privately if >you'd rather. Rsync has been a great performer for me as well. >Don't rule out dumb and strong, it works great for me.

Re: Extremely large level 1 backups with dump

2010-12-06 Thread Karl Vogel
>> On Sun, 5 Dec 2010 19:15:25 -0800, >> Peter Tenenbaum said: P> After having some difficulty getting rsync to do exactly what I want, P> I've become convinced to try rsnapshot. I'll let you know how it goes. I'm interested in seeing what kind of grief you're getting from rsync. I've ha

Re: Extremely large level 1 backups with dump

2010-12-05 Thread Peter Tenenbaum
Well, after having some difficulty getting rsync to do exactly what I want, I've become convinced to try rsnapshot. I'll let you know how it goes. -PT On Sat, Dec 4, 2010 at 4:14 PM, Peter Tenenbaum wrote: > Jochen, Paul -- > > In thinking this over, I think that the best approach is to simply

Re: Extremely large level 1 backups with dump

2010-12-05 Thread Jochen Schulz
Peter Tenenbaum: > > In thinking this over, I think that the best approach is to simply have a > daily rsync --archive from my main hard drive to the backup drive. While I > understand that more sophisticated backup systems are often useful in a > large system, the system in question is a home co

Re: Extremely large level 1 backups with dump

2010-12-04 Thread Peter Tenenbaum
Jochen, Paul -- In thinking this over, I think that the best approach is to simply have a daily rsync --archive from my main hard drive to the backup drive. While I understand that more sophisticated backup systems are often useful in a large system, the system in question is a home computer with

Re: Extremely large level 1 backups with dump

2010-12-02 Thread Jochen Schulz
Peter Tenenbaum: > > Paul -- thanks for the suggestions. I guess that, since I am not using a > tape drive for backup, there's no good reason to use dump rather than rsync, > and the latter will leave me with a navigable file tree on the backup > drive. If you are going that route anyway, I sugge

Re: Extremely large level 1 backups with dump

2010-12-02 Thread Peter Tenenbaum
Paul -- thanks for the suggestions. I guess that, since I am not using a tape drive for backup, there's no good reason to use dump rather than rsync, and the latter will leave me with a navigable file tree on the backup drive. This is what I use at work to back up /home/ptenenbaum (at the suggest

Re: Extremely large level 1 backups with dump

2010-12-02 Thread Paul E Condon
On 20101201_215849, Peter Tenenbaum wrote: > I've been using dump to perform backups of my home Debian workstation (I run > squeeze, btw). I do a weekly level 0 dump and daily level 1 dumps. > > For some reason the level 1 backups are almost as large as the level 0 (the > level 0 is 57.9 GB and t

Re: Extremely large level 1 backups with dump

2010-12-02 Thread Camaleón
On Wed, 01 Dec 2010 21:58:49 -0800, Peter Tenenbaum wrote: > I've been using dump to perform backups of my home Debian workstation (I > run squeeze, btw). I do a weekly level 0 dump and daily level 1 dumps. > > For some reason the level 1 backups are almost as large as the level 0 > (the level 0

Extremely large level 1 backups with dump

2010-12-01 Thread Peter Tenenbaum
I've been using dump to perform backups of my home Debian workstation (I run squeeze, btw). I do a weekly level 0 dump and daily level 1 dumps. For some reason the level 1 backups are almost as large as the level 0 (the level 0 is 57.9 GB and the level 1 is 51.6 GB), even though we clearly don't