On Thu, Apr 28, 2011 at 1:43 PM, John Drescher <dresche...@gmail.com> wrote: > On Thu, Apr 28, 2011 at 2:38 PM, John Drescher <dresche...@gmail.com> wrote: >>> /dev/mapper/mpath0: >>> Timing buffered disk reads: 622 MB in 3.00 seconds = 207.20 MB/sec >>> >> That is a raid. But you still may not be able to sustain over 100MB/s >> of somewhat random reads. Remember that hdparm is only measuring >> sequential performance of large reads. >> > > If it is a raid I cold be wrong about the filesystem performance being > the only problem. You can test if this is the case by creating a > backup of a single file that is 1GB or so to media that is already > loaded and see if the performance is closer to the network maximum. > Maybe test an already compressed file of this size versus a file > containing all zeros. > > John >
I tried to copy a 10 GB file between both servers (Bacula and Fileserver) with scp and I got a 48 MB/s speed transfer. Is this why my backups are always near to that speed? ------------------------------------------------------------------------------ WhatsUp Gold - Download Free Network Management Software The most intuitive, comprehensive, and cost-effective network management toolset available today. Delivers lowest initial acquisition cost and overall TCO of any competing solution. http://p.sf.net/sfu/whatsupgold-sd _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
