[zfs-discuss] Possible ZFS problem

Bob Friesenhahn
Sat, 13 Aug 2011 14:32:59 -0000

On Sat, 13 Aug 2011, andy thomas wrote:
> However, one of our users recently put a 35 Gb tar.gz file on this server
and
> uncompressed it to a 215 Gb tar file. But when he tried to untar it, after
> about 43 Gb had been extracted we noticed the disk usage reported by df for
> that ZFS pool wasn''t changing much. Using du -sm on the extracted
archive
> directory showed that the size would increase over a period of 30 seconds
or
> so and then suddenly drop back about 50 Mb and start increasing again. In
> other words it seems to be going into some sort of a loop and all we could
do
> was to kill tar and try again when exactly the same thing happened after 43
> Gb had been extracted.

What ''tar'' program were you using?  Make sure to also try
using the
Solaris-provided tar rather than something like GNU tar.

1GB of memory is not very much for Solaris to use.  A minimum of 2GB
is recommended for zfs.

Bob
--
Bob Friesenhahn
bfriesen at simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/