On Wed, 31 May 2006, Robert Milkowski wrote:
Hello zfs-discuss,
I noticed on a nfs server with ZFS that even with atime set to off
and clients only reading data (almost 100% reads - except some
unlinks()) I still can see some MB/s being written according to
zpool iostat. What could be the couse? How can I see what is
actually being written by ZFS (what files, metadata, etc.)?
For file/block I/O, the DTraceToolkit's iosnoop and rwsnoop scripts can
be super useful. Metadata might be a bit trickier to locate, since it is
file system dependent. Anyone know if there is a filestat utility for ZFS?
Thanks,
- Ryan
--
UNIX Administrator
http://daemons.net/~matty
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