[BackupPC-users] speed up backups

2010-05-26 Thread Ralf Gross
Hi, I'm using BackupPC without major problems since a few years now. Our main fileserver has now reached 3,3 TB and it takes 2 days (18 MB/s) to do a full backup with tar method. I'd like to find out if there is something I can do to speed up the full backups without changing the hardware. The

Re: [BackupPC-users] speed up backups

2010-05-26 Thread Pedro M. S. Oliveira
Hello, Have you tried the rsync method, it should be way faster than tar. Cheers, Pedro On Wednesday 26 May 2010 08:27:04 Ralf Gross wrote: Hi, I'm using BackupPC without major problems since a few years now. Our main fileserver has now reached 3,3 TB and it takes 2 days (18 MB/s) to do a

Re: [BackupPC-users] Rsync backup won't run

2010-05-26 Thread Pedro M. S. Oliveira
Hi Sometime ago I had a problem similar to that with solaris too and in the end i had trash on the shell, you may try to pass -e '' to rsync. Cheers, Pedro On Tuesday 25 May 2010 20:17:35 David Wraige wrote: Hi there, I'm having major trouble getting BackupPC to run Rsync backups. I'd be

Re: [BackupPC-users] speed up backups

2010-05-26 Thread Ralf Gross
Pedro M. S. Oliveira schrieb: Have you tried the rsync method, it should be way faster than tar. I think rsync is most useful with servers that have a slow network connection. But the network speed is not the problem, more precisely I don't exactly know what the real bottlenck is. Ralf

Re: [BackupPC-users] speed up backups

2010-05-26 Thread Les Mikesell
Ralf Gross wrote: After all I've read, switching to rsync instead of tar doesn't seem to be a better choice. After the 1st 2 fulls, rsync should be better if you have enabled checksum caching. You do need plenty of RAM to hold the directory listing if you have a large number of files.

Re: [BackupPC-users] speed up backups

2010-05-26 Thread Sorin Srbu
-Original Message- From: Les Mikesell [mailto:lesmikes...@gmail.com] Sent: Wednesday, May 26, 2010 2:55 PM To: General list for user discussion, questions and support Subject: Re: [BackupPC-users] speed up backups After the 1st 2 fulls, rsync should be better if you have enabled checksum

Re: [BackupPC-users] hardware and configuration recommendations for speed?

2010-05-26 Thread Frank J . Gómez
There is nothing intrinsic about Windows XP Home, cygwin/rsyncd (especially with cygwin 1.7), and BackupPC that should be causing your backups to be significantly worse than backing up a Linux system. Are those other machines also Windows XP Home or are they linux? The other machines are

Re: [BackupPC-users] speed up backups

2010-05-26 Thread Tyler J. Wagner
On Wednesday 26 May 2010 14:34:40 Sorin Srbu wrote: -Original Message- From: Les Mikesell [mailto:lesmikes...@gmail.com] Sent: Wednesday, May 26, 2010 2:55 PM To: General list for user discussion, questions and support Subject: Re: [BackupPC-users] speed up backups After the 1st

Re: [BackupPC-users] speed up backups

2010-05-26 Thread Sorin Srbu
-Original Message- From: Tyler J. Wagner [mailto:ty...@tolaris.com] Sent: Wednesday, May 26, 2010 4:19 PM To: backuppc-users@lists.sourceforge.net; sorin.s...@orgfarm.uu.se Subject: Re: [BackupPC-users] speed up backups On Wednesday 26 May 2010 14:34:40 Sorin Srbu wrote: -Original

Re: [BackupPC-users] [Solved] No New Files

2010-05-26 Thread Peter Doherty
On May 24, 2010, at 12:27 , Chris Dennis wrote: On 22/05/10 11:44, Chris Dennis wrote: Hello BackupPC people I've been running BackupPC for a few years, backing up assorted machines on my home network. Recently I've noticed that it no longer reports any New Files in the File

Re: [BackupPC-users] speed up backups

2010-05-26 Thread Ralf Gross
Tyler J. Wagner schrieb: On Wednesday 26 May 2010 14:34:40 Sorin Srbu wrote: -Original Message- From: Les Mikesell [mailto:lesmikes...@gmail.com] Sent: Wednesday, May 26, 2010 2:55 PM To: General list for user discussion, questions and support Subject: Re: [BackupPC-users]

Re: [BackupPC-users] speed up backups

2010-05-26 Thread Steve
it's in the documentation - click on documentation over on the left of the web interface and search for checksum; the section is rsync checksum caching evets On Wed, May 26, 2010 at 9:34 AM, Sorin Srbu sorin.s...@orgfarm.uu.se wrote: -Original Message- From: Les Mikesell

Re: [BackupPC-users] speed up backups

2010-05-26 Thread Les Mikesell
On 5/26/2010 10:23 AM, Ralf Gross wrote: Tyler J. Wagner schrieb: On Wednesday 26 May 2010 14:34:40 Sorin Srbu wrote: -Original Message- From: Les Mikesell [mailto:lesmikes...@gmail.com] Sent: Wednesday, May 26, 2010 2:55 PM To: General list for user discussion, questions and

Re: [BackupPC-users] Rsync backup won't run

2010-05-26 Thread David Wraige
Thanks very much for the extra tips, Les. I've got it working now - your comment on the strace got me thinking that it must be waiting for a password. The one bit of info I forgot to mention was that I had ssh-agent supplying the password (or not). I had assumed it was working because ssh didn't

Re: [BackupPC-users] speed up backups

2010-05-26 Thread Ralf Gross
Ralf Gross schrieb: Ralf Gross schrieb: Tyler J. Wagner schrieb: On Wednesday 26 May 2010 14:34:40 Sorin Srbu wrote: -Original Message- From: Les Mikesell [mailto:lesmikes...@gmail.com] Sent: Wednesday, May 26, 2010 2:55 PM To: General list for user

Re: [BackupPC-users] speed up backups

2010-05-26 Thread Ralf Gross
Ralf Gross schrieb: write(1, N\2\0\7\5\3lvs\r\0\0\0\r\0\0\0lvmiopversion8\5..., 594) = 594 select(1, [0], [], NULL, {60, 0}) = 0 (Timeout) select(1, [0], [], NULL, {60, 0}) = 0 (Timeout) select(1, [0], [], NULL, {60, 0}) = 0 (Timeout) select(1, [0], [], NULL, {60, 0})

Re: [BackupPC-users] speed up backups

2010-05-26 Thread Les Mikesell
On 5/26/2010 3:12 PM, Ralf Gross wrote: smells like a time out, but I don't know where. I found a couple of messages with similar output in the list archives, but none of them had a solution yet. If it is repeatable, you might try to start the strace sooner so you can see what happens

Re: [BackupPC-users] speed up backups

2010-05-26 Thread Les Mikesell
On 5/26/2010 3:41 PM, Ralf Gross wrote: Ralf Gross schrieb: write(1, N\2\0\7\5\3lvs\r\0\0\0\r\0\0\0lvmiopversion8\5..., 594) = 594 select(1, [0], [], NULL, {60, 0}) = 0 (Timeout) select(1, [0], [], NULL, {60, 0}) = 0 (Timeout) select(1, [0], [], NULL, {60, 0}) = 0 (Timeout)