Try running iostat in another ssh window, you'll see it can't even gather
stats every 5 seconds (below is iostats every 5 seconds):
Tue May 27 09:26:41 2008
Tue May 27 09:26:57 2008
Tue May 27 09:27:34 2008
that should not happen!
i`d call that a bug!
how does vmstat behave with lzjb
I also noticed (perhaps by design) that a copy with compression off almost
instantly returns, but the writes continue LONG after the cp process claims
to be done. Is this normal?
Yes this is normal. Unless the application is doing synchronous writes
(eg DB) the file will be written to disk at
Neil Perrin wrote:
I also noticed (perhaps by design) that a copy with compression off almost
instantly returns, but the writes continue LONG after the cp process claims
to be done. Is this normal?
Yes this is normal. Unless the application is doing synchronous writes
(eg DB) the file will
Hardware: Supermicro server with Adaptec 5405 SAS controller, LSI expander -
24 drives. Currently using 2x 1tb SAS drives striped and 1x750gb SATA as
another pool. I don't think hardware is related though as if I turn off zfs
compression it's fine - I seem to get same behavior on either pool.
