On Mon, Jul 25, 2011 at 01:06:48PM -0400, Kevin Taylor wrote: > > We have a RAID set up as our main fileserver (running samba 3.0.33 on linux, > CentOS 5). The main disk area is an XFS partition of about 8TB. I'm using > iostat to monitor disk I/O since we've gotten complaints about speed and I'm > noticing that when I write something to the samba share, the write speed is > horrible. For a 15GB file it is reporting to finish in about 20 minutes. > > iostat reports very little write I/O...on the level of maybe 7 write i/o's > every 5 seconds or so. > > If I were to read .5GB of data off of the samba share, it transfers quickly > (and I see 300 reads/s through iostat)...which would be about normal. > > Any idea of why I'm getting such lousy write speed?
Test using a modern (i.e. much later than 3.0.33) smbclient. This pipelines writes so you should see much greater throughput if it's the client that's at fault. What client are you using ? Jeremy. -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
