Hello, This problem seems to be rather current on Win2000 systems, and other Windows systems. Though I do not have any proof except that it only happens with Windows systems, I attribute it to a bug or deliberate throttling in the Microsoft networking code.
If someone could finally figure out what is going wrong, I would certainly be happy. On Thursday 19 May 2005 12:16, Martin Simmons wrote: > >>>>> On Wed, 18 May 2005 17:09:10 -0400, "Matthew Butt" > >>>>> <[EMAIL PROTECTED]> said: > > Matt> Content-class: urn:content-classes:message > Matt> Thread-Topic: [Bacula-users] Speed of Windows FD > > Matt> I have two identical Win 2k3 servers (Dell PowerEdge 2800, > Matt> U320 > > >> RAID5, > > Matt> dual P4 Xeon 2.8) that I need to backup data onto an FC3 > Matt> server > > >> running > > Matt> Bacula (P4 2.8GHz, USB2 HDD). All three machines have Gigabit > > >> cards > > Matt> running on a Gigabit switch with appropriate Cat5e cables. > > Matt> Server1 has two files totaling 5Gb. Bacula grabs these files > Matt> at > > >> about > > Matt> 25MB/sec - total backup time is under 4mins. > Matt> Server2 has ~4000 files totaling 100Gb. The problem is that > > >> Bacula is > > Matt> only running at about 50Kb/sec for this server - simple maths > > >> tells us > > Matt> that it's going to take 3.5 weeks to backup the entire server! > > Matt> There's obviously something awry here - can anyone give me any > > >> ideas > > Matt> what to look into? The networking between the machines all > Matt> appears > > >> to be > > Matt> fine (I can pull off large files between the Win 2k3 servers > Matt> at > > >> around > > Matt> 30MB/sec) so it seems to be something to do with the Bacula > Matt> FD. > > >> I would start by looking at the Processes tab of the Task Manager on > >> Server2 > >> during the backup to see what % of the CPU bacula-fd is getting and if > >> anything else is running. > > Matt> The bacula-fd process on Server2 is using at most about 2%. Mem > usage Matt> is very low (3Mb). Nothing else is using the processor or > disks Matt> intensively on that machine at the moment and bconsole is > reporting Matt> about 3MB/sec transfer (speed changes wildly it seems, but > never very Matt> fast!) > > Matt> The bacula server is running around 5-15% for bacula-sd. Again, > nothing Matt> much else is happening on that server, load average: 0.21, > 0.12, 0.09. > > Matt> Is there any profiling I can run on the Windows FD client, or at > least Matt> see a file-by-file progress? > > You can see which file it is doing by using the 'status client' command in > bconsole. > > You could also try changing the Messages resource in bacula-dir.conf to > send "saved" messages to the console (by default it says 'console = all, > !saved' which discards them). I've not tried this, so I don't know if it > produces messages as the saving happens or only at the end. > > Finally, running bacula-fd in debugging mode (using the -d option from a > Command window instead of as a service) will output lots of info (not sure > where it goes on Windows). > > __Martin > > > ------------------------------------------------------- > This SF.Net email is sponsored by Oracle Space Sweepstakes > Want to be the first software developer in space? > Enter now for the Oracle Space Sweepstakes! > http://ads.osdn.com/?ad_id=7412&alloc_id=16344&op=click > _______________________________________________ > Bacula-users mailing list > Bacula-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bacula-users -- Best regards, Kern ("> /\ V_V ------------------------------------------------------- This SF.Net email is sponsored by Oracle Space Sweepstakes Want to be the first software developer in space? Enter now for the Oracle Space Sweepstakes! http://ads.osdn.com/?ad_id=7412&alloc_id=16344&op=click _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
