On Wed, 4 May 2011, Peter Jeremy wrote: > Possibilities I can think of: > - Do you have lots of snapshots? There's an overhead of a second or so > for each snapshot to be sent. > - Is the source pool heavily fragmented with lots of small files?
Nope, and I don't think so. > Hopefully a silly question but does the SB1000 support USB2? All of > the Sun hardware I've dealt with only has USB1 ports. Not such a silly question. :-) The USB1 port was indeed the source of much of the bottleneck. The same 50 MB file system took only 8 seconds to copy when I plugged the drive into a USB 2.0 card I had in the machine! An 80 GB file system took 2 hours with the USB 2 port in use, with compression off. I'm tryin git again right now with compression turned on in the receiving pool. Should be interesting... > And, BTW, 2GB RAM is very light on for ZFS (though I note you only > have a very small amount of data). True, but the SB1000 only supports 2GB of RAM IIRC! I'll soon be migrating this machine's duties to an Ultra 20 M2. A faster CPU and 4 GB should make an noticable improvement (not to mention, on board USB 2.0 ports). Thanks for you ideas! -- Rich Teer, Publisher Vinylphile Magazine www.vinylphilemag.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
