Hi,

The xfer errors were only during the first two full backups. Now, there's
only 4 left:


I noticed something else, though: The moment I start the backup, the
free-mem drops to 6MB (from 400MB; I have 512MB). This might be the
bottleneck, don't you think?
Looking at the output of ps:
vdr01 ~ # ps -aux |grep Backup
Warning: bad ps syntax, perhaps a bogus '-'? See
http://procps.sf.net/faq.html
backuppc  5275  0.0  1.4  10276  7676 ?        S    06:46   0:01
/usr/bin/perl /usr/BackupPC/bin/BackupPC -d
backuppc  5287  0.0  0.7   5784  4112 ?        S    06:46   0:07
/usr/bin/perl /usr/BackupPC/bin/BackupPC_trashClean
backuppc 10246  4.4  5.9  33392 30804 ?        S    14:11   1:54
/usr/bin/perl /usr/BackupPC/bin/BackupPC_dump -i -d 192.168.178.21
backuppc 10464 22.2  7.0  39652 36112 ?        S    14:39   3:21
/usr/bin/perl /usr/BackupPC/bin/BackupPC_dump -i -d 192.168.178.21
backuppc 10576 32.9  3.3  19032 17240 ?        R    14:52   0:41
/usr/bin/perl ./BackupPC_Admin

I wouldn't think so, though. Here, backuppc is using mainly CPU, not Ram.
CPU load didn't reach 100% (averaged over 5 minutes) since I started the
backup.
Furthermore, the network transfer rate stays very low (6 Mbit). I don't have
network-problems when I transfer files via SMB, though.

Furthermore, I've done a more sophisticated benchmark (bonie++) on both
harddisks:
This one is the one that is NOT used by backuppc (hda). It's xfs.:
Version 1.93c       ------Sequential Output------ --Sequential Input-
--Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block--
--Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec
%CP
vdr01            1G   188  90 26142  16 13214   9   394  86 42952  16 114.4
1
Latency               242ms    2302ms    1951ms     138ms     202ms
390ms
Version 1.93c       ------Sequential Create------ --------Random
Create--------
vdr01               -Create-- --Read--- -Delete-- -Create-- --Read---
-Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec
%CP
                 16   322   5 +++++ +++   287   4   266   6 +++++ +++   211
4
Latency               248ms    4554us     267ms     301ms     533us
559ms

This one (hdd) is used by backuppc and is -regarding the hardware- equal
(same model, different size) to hda, and formated reiserfs.
Version 1.93c       ------Sequential Output------ --Sequential Input-
--Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block--
--Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec
%CP
vdr01            1G    71  90 15968  22  9180  10   381  84 35012  22 145.5
2
Latency               249ms    3919ms    4965ms     400ms     258ms
509ms
Version 1.93c       ------Sequential Create------ --------Random
Create--------
vdr01               -Create-- --Read--- -Delete-- -Create-- --Read---
-Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec
%CP
                 16  5763  68 +++++ +++  5728  79  6489  80 +++++ +++  5667
86
Latency              7798us    1338us    3249us    1507us     539us
9926us

This is my fstab (extract):
/dev/hda5   /mnt/data   xfs   noatime 1 2
/dev/hdb1   /mnt/data1 reiserfs noatime 1 2

I'd rather not switch to SMB, yet. Maybe, you could comment on the above
first. It was quite a problem for me setting backuppc up the way it is now.
Never change a running system ;-)
Maybe debugging localhost already helps. If you insist, I'll switch to SMB
though ;-)

Greetings,
Hendrik
 

-----Ursprüngliche Nachricht-----
Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
Gesendet: Sonntag, 7. Oktober 2007 12:09
An: Hendrik Friedel; backuppc-users
Betreff: Re: [BackupPC-users] How long does a normal Backup take?

Hello Hendrik,

on localhost I see in your pdf many transfer errors - it is possible that
you try to backup many directories without access for the backuppc user?
Without real knowledge about it: I can imagine that such access denied
issues are time consuming.

So I have two suggestions for further test:
- Check the access right on localhost
- Switch one of your XP clients to SMB transport

Greetings, Renke

PS Can you please reply this mail to all recipients, it is easier to follow
a list thread if all messages are in the archive.

--
rbrausse
ferdinand-kopf-str 7
79117 freiburg

+497613845491

Am Sonntag, den 07.10.2007, 02:04 +0200 schrieb Hendrik Friedel:
> Hi,
> 
> vdr01 ~ # hdparm -t /dev/hda
> /dev/hda:
>  Timing buffered disk reads:  118 MB in  3.03 seconds =  39.00 MB/sec
> 
> vdr01 ~ # hdparm -t /dev/hdb
> /dev/hdb:
>  Timing buffered disk reads:  124 MB in  3.01 seconds =  41.15 MB/sec
> 
> No, I haven't yet tried any other transfer methods. But as tar is slow 
> aswell, I don't have much hope.
> The pool-hdd is reiserfs, by the way.
> 
> Greetings,
> Hendrik
>  
> 
> -----Ursprüngliche Nachricht-----
> Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Gesendet: Sonntag, 7. Oktober 2007 00:35
> An: Hendrik Friedel; backuppc-users
> Betreff: Re: AW: [BackupPC-users] How long does a normal Backup take?
> 
> Hello Hendrik,
> 
> did you ever run a hdd benchmark on your backup host? < 1 MB/s for the 
> backup of the localhost is incredible slow.
> 
> I have no experience with rsync on Windows, did you ever try to use 
> smb as transport?
> 
> Renke
> 
> Am Samstag, den 06.10.2007, 23:59 +0200 schrieb Hendrik Friedel:
> > Hi,
> > 
> > I now uploaded the overview here:
> > http://download.yousendit.com/C39DB8AA06537B5F
> > 
> > The two hosts use rsync (WinXP). The server (localhost) uses Tar.
> > 
> > Greetings,
> > Hendrik
> 
> 
> 
> 
> --
> No virus found in this incoming message.
> Checked by AVG Free Edition. 
> Version: 7.5.488 / Virus Database: 269.14.0/1048 - Release Date: 
> 03.10.2007
> 20:22




--
No virus found in this incoming message.
Checked by AVG Free Edition. 
Version: 7.5.488 / Virus Database: 269.14.0/1048 - Release Date: 03.10.2007
20:22


-------------------------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc.
Still grepping through log files to find problems?  Stop.
Now Search log events and configuration files using AJAX and a browser.
Download your FREE copy of Splunk now >> http://get.splunk.com/
_______________________________________________
BackupPC-users mailing list
BackupPC-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/backuppc-users
http://backuppc.sourceforge.net/

Reply via email to