Can't really help you but here is couple of notes:
1. iostat -x output seems to be even more informative for disk I/O
2. Despite large amount of RAM (8GB) your ZFS ARC size stays at its minimum
value
near just 200MB. Not sure if this plays significant role in the performance
issue, but perhaps s
Every once in a while I need to go through some rather large
netflow/argus logs (each file about 1G, total of about 90 files)
stored on a zfs array and I am finding reading from the file is at
best about 50MB/s and often much worse. The individual underlying
disks should be able to read much fa