Brian Jones wrote:
> I have a question on the speed of backing up Windows 2003/2000/XP boxes to
> disk across the network.
> 
> For 2 windows boxes, here is the rates I am getting though it is the same
> for all the windows boxes:
>   Rate:                   432.1 KB/s
>   Rate:                   528.4 KB/s
> 
> For the Linux boxes, here are 2 rates I am getting but again, it is the same
> across all the Linux boxes:
> 
>   Rate:                   9556.8 KB/s
>   Rate:                   8616.3 KB/s
> 
> I did a test on one of the 2003 server boxes backing up one file that was
> about 13 gig in size.  The speed was as shown above for Windows boxes.
> Using winSCP to copy that same file to the same box running Bacula, I have a
> rate of 4000 KB/s.
> 
> Is the windows Bacula client slow?  Are others seeing better speeds?  I am
> fairly new to Bacula so any help would be appreciated.
> 

Anyone please correct me if I am wrong, no egos in play here ;^)

I see speed differences as well. There are several things that explain 
most of my differences. The load on the server that is running the 
client can have a big effect. I have one very busy web server that backs 
up considerably slower than my FTP server. I noticed as well that full 
backups of a not in use file system go much faster than a differential 
of a heavily used filesystem.

Not Bacula faults, just the situation. I have tried to move my backup 
schedules to run when there is the least number of processes to interfer 
with the Bacula client.

Also, keep in mind, the transfer rate is not just the network speed 
attained, but the rate at which the data is transfered via Bacula which 
includes verification, compression, disk reading on the client box, and 
disk writing on the storage box.

In my testing a straight data transfer such as ftp always outruns 
Bacula, so comparisons are not valid.

DAve

-- 
Three years now I've asked Google why they don't have a
logo change for Memorial Day. Why do they choose to do logos
for other non-international holidays, but nothing for
Veterans?

Maybe they forgot who made that choice possible.

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