I'm curious what would happen if you sent a full backup to suitably fast disk based storage instead, what performance you'd see there. I know you intend to back up to LTO, but I wonder what differences we'd see, if any.
Regards, Robert Gerber 402-237-8692 [email protected] On Thu, Nov 27, 2025 at 2:11 PM Phil Pemberton via Bacula-users < [email protected]> wrote: > I'll give that a shot, but both machines are running Linux. > > Thanks > Phil. > > > On 24/11/2025 16:50, Josh Fisher via Bacula-users wrote: > > In both the FD and SD config files, set Maximum Network Buffer Size = > > 32768. The default size of 64k is known to cause this issue in Windows, > > or at least certain versions of Windows using certain NICs. You will > > need to restart bacula-sd on the server and bacula-fd on the Windows PC > > before testing. > > > > > > On 11/21/25 09:55, Phil Pemberton via Bacula-users wrote: > >> Hi all, > >> > >> I've been using Bacula to back up my NAS for some time, and it's been > >> working well. I see effective backup rates of about 30MB/s all told > >> (100MB+ unspooling from SSD to tape, maxing out the LTO6 drive). > >> > >> Unfortunately when I added my desktop PC to the backup cycle, I found > >> that the effective rate dropped like a rock, to single-digit megabytes > >> per seconds. > >> > >> The machines are both fairly fast -- the desktop machine (backup > >> source running the FD) is a Ryzen 5 5600X, and the server (with the > >> SAS SSD and tape drive) is an Intel Core i5-9400. > >> The network is gigabit end-to-end, and the transfer rates I'm seeing > >> are very poor. Other applications taking the same path are much faster. > >> > >> Both systems are running Debian derivatives -- the desktop runs Mint > >> with Bacula 13.0.4, and the server runs Ubuntu 24.04 with the same > >> version of Bacula. > >> > >> Is there anything I can do to improve performance backing up over the > >> network, before I resort to a nightly Rsync from the workstation to > >> the server and backing up from there? > >> > >> Thanks. > > > > > > > > _______________________________________________ > > Bacula-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/bacula-users > > -- > Phil. > [email protected] > https://www.philpem.me.uk/ > > > > _______________________________________________ > Bacula-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/bacula-users >
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