Haven <haven at thehavennet.org.uk> writes: > Running the same test here on the virtual I'm getting: > 524288000 bytes (524 MB) copied, 15.2004 s, 34.5 MB/s > > Running that on the underlying drive of one of the cluster I get: > 524288000 bytes (524 MB) copied, 7.54742 s, 69.5 MB/s Yes, that's much more the sort of performance I was seeing in my previous tests. I'm expecting some overhead from Sheepdog, but just not quite a factor of ten! > I'm mounting the sheepdog partition using ext4 on an LVM partition using: > noatime,barrier=0,user_xattr,data=writeback I will re-test with ext4. Do you find disabling barriers is making a huge difference? Cheers, Chris. |