Re: [zfs-discuss] Performance writing to USB drive, performance reporting

2007-12-10 Thread Akhilesh Mritunjai
USB2 giving you ~30MB/s is normal... a little better than mine (on Windows - ~25MB/s) actually. For better performance better switch to eSATA or Firewire. Even FW400 will give you better results than USB as there are lesser overheads. However, I'm sure I saw some FW+ZFS related bug in bugdb som

[zfs-discuss] Performance writing to USB drive, performance reporting

2007-12-09 Thread David Dyer-Bennet
So I'm doing an rsync between a ZFS filesystem on local SATA disks and an empty ZFS filesystem on a drive connected via USB 2.0. zpool iostat is showing me a write bandwidth of about 30M. That does mean 30MB/sec, right? That's compatible with how long the test took. I used up 47368826 block