Thank you for all the replies The bottleneck is the network or at lest something in the network and yes I have an autoloader LTO4
If I use NC with a file of 10M I need 8 seconds to transfer If I use scp I need around 2 seconds The same file without compression On Wed, Apr 7, 2010 at 10:10 AM, John Drescher <dresche...@gmail.com> wrote: >> Yes I am using a tape but should not be the tape >> 07-Apr 00:36 angel-sd JobId 1443: Despooling elapsed time = 00:02:34, >> Transfer rate = 75.16 M bytes/second >> >> >> this is with a full backup >> >> FD Files Written: 2,878,988 >> SD Files Written: 2,878,988 >> FD Bytes Written: 248,635,057,283 (248.6 GB) >> SD Bytes Written: 249,102,272,590 (249.1 GB) >> Rate: 18745.1 KB/s >> >> On my mind I was hoping something around 30KB/s >> > You mean 30MB/s. > > I get 20 to 35MB/s for full backups with LTO2 from a raid5 array to a > LTO2 autochanger that is not on the same machine as the raid. > > It looks like you have an LTO3 changer by the 75MB/s since that is a > little low for LTO4 however you named the drive LTO4Driver so I assume > its LTO4. I would expect despools of 100MB/s to 120MB/s for LTO4. > > I would first look to optimize your filesystem performance as this > appears to be where the problem is. Is your spooling drive the same as > your source data drive? That would kill performance. > > John > ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
