Re: [Bacula-users] Re: performance problem on windows

2005-07-22 Thread Kern Sibbald
On Friday 22 July 2005 17:18, Carsten Schurig wrote:
 Kern Sibbald schrieb:
  On Wednesday 13 July 2005 14:00, Carsten Schurig wrote:
 
  Unlikely, but I would be happy if someone tried.

 I did install 1.37.30 and changed the following of the configuration
 addtionally:
   * switched from sqlite to mysql
   * use my 2 DDS-3 drives as single ones instead of emulating
 a autochanger

 Currently on my Windows 2K server two concurrent jobs are running (one
 to drive 1 and the other one to drive 2). Both are running at about
 1 MB/s (instead of 100 KB/s)!

So, it sounds like your performance problems were resolved by the upgrade if I 
understand correctly.


 BTW: I had to use different pools to get the concurrent jobs working. Is
 this ok? 

I may be missing something, but this sounds like a bug.  I'll look at it.

By the way, please don't try to run simultaneous jobs in the same FD if you 
use the new VSS feature -- it will not work correctly with more than one job 
at a time.


 My first try was to do something like that 

 Job {
   Client = win2k
   FileSet = win2k 1
   Storage = tape1
   Pool = WeeklyPool
 }
 Job {
   Client = win2k
   FileSet = win2k 2
   Storage = tape2
   Pool = WeeklyPool
 }

 In both drives a valid tape was inserted and the pools are defined with
 Accept Any Volume = yes, but the second job started was always
 complaining:

 Cannot find any appendable volumes.
 Please use the label  command to create a new Volume for:
  Storage:  tape2 (/dev/nst1)
  Media type:   DDS-3
  Pool: WeeklyPool

 So I created a pool WeeklyPool2 and moved tape2 to that pool and changed
 the job accordingly. After this the jobs are really running
 concurrently. Is this behaviour correct?

 Cheers,
   Carsten



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Re: [Bacula-users] Re: performance problem on windows

2005-07-13 Thread Kern Sibbald
On Wednesday 13 July 2005 14:00, Carsten Schurig wrote:
 Dominic Marks schrieb:
  The problem is that the client system is not sending data fast
  enough, so I don't see how spooling will help. I also have this
 
   problem, some Windows machines can manange ~1MB/s. One laptop
 
  in particular running WindowsXP can do no better than 50KB/s when

 And I don't find any bottleneck on the machine. Just services running,
 that ran before. Copying files isn't as slow as well, so I don't think
 it's the filesystem access...

 Is there any chance, that's there a difference using 1.37.22?

Unlikely, but I would be happy if someone tried.

Recently a user reported serious performance problems and stalled backups. The 
bottom line was a NVidia ethernet card with an old driver.  See the Win32 
chapter of the development manual for more details.

Bottom line: check that your hardware/firmware are up to date as well as the 
network drivers.  If you have an NVidia network card be suspicious.

-- 
Best regards,

Kern

  (
  /\
  V_V


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Re: [Bacula-users] Re: performance problem on windows

2005-07-13 Thread Dominic Marks
On Wednesday 13 July 2005 13:29, Kern Sibbald wrote:
 On Wednesday 13 July 2005 14:00, Carsten Schurig wrote:
  Dominic Marks schrieb:
   The problem is that the client system is not sending data fast
   enough, so I don't see how spooling will help. I also have this
  
problem, some Windows machines can manange ~1MB/s. One laptop
  
   in particular running WindowsXP can do no better than 50KB/s when
 
  And I don't find any bottleneck on the machine. Just services
  running, that ran before. Copying files isn't as slow as well, so I
  don't think it's the filesystem access...
 
  Is there any chance, that's there a difference using 1.37.22?

 Unlikely, but I would be happy if someone tried.

 Recently a user reported serious performance problems and stalled
 backups. The bottom line was a NVidia ethernet card with an old
 driver.  See the Win32 chapter of the development manual for more
 details.

 Bottom line: check that your hardware/firmware are up to date as well
 as the network drivers.  If you have an NVidia network card be
 suspicious.

In my case the laptop is a Dell with an Intel Centrino chipset and
is connected via a 54Mbit wireless link. The AP is in the same room
as the laptop so connection strength is permanently excellent and
I can transfer at ~5MB/s from our Samba server in both directions
so I don't think that is it.

Anything else I can try to identify the problem?

Cheers,
-- 
Dominic Marks


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Re: [Bacula-users] Re: performance problem on windows

2005-07-13 Thread Kern Sibbald
On Wednesday 13 July 2005 14:58, Carsten Schurig wrote:
 Kern Sibbald schrieb:
  Unlikely, but I would be happy if someone tried.

 Is the binary windows version available on SF (1.37.22) compatible to
 the current Linux version 1.37.25? The release notes say, that there's a
 new communication protocol so that all clients need to be updated to
 1.37.25...

I'll be making a new beta release in a day or two.


 Cheers,
   Carsten



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-- 
Best regards,

Kern

  (
  /\
  V_V


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