Re: ZFS on small systems

2009-09-19 Thread ill...@gmail.com
2009/9/17 krad : > 2009/9/17 Ruben de Groot > >> On Thu, Sep 17, 2009 at 04:35:37PM +0200, Anselm Strauss typed: >> > Thanks for your advice, Steve. >> > >> > I looked a bit at the source code and in >> > /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c and I >> > found this: >> > >>

Re: ZFS on small systems

2009-09-17 Thread krad
2009/9/17 Ruben de Groot > On Thu, Sep 17, 2009 at 04:35:37PM +0200, Anselm Strauss typed: > > Thanks for your advice, Steve. > > > > I looked a bit at the source code and in > > /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c and I > > found this: > > > > /* set min cache to 1/32 o

Re: ZFS on small systems

2009-09-17 Thread Ruben de Groot
On Thu, Sep 17, 2009 at 04:35:37PM +0200, Anselm Strauss typed: > Thanks for your advice, Steve. > > I looked a bit at the source code and in > /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c and I > found this: > > /* set min cache to 1/32 of all memory, or 16MB, whichever is more

Re: ZFS on small systems

2009-09-17 Thread Anselm Strauss
Thanks for your advice, Steve. I looked a bit at the source code and in /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c and I found this: /* set min cache to 1/32 of all memory, or 16MB, whichever is more */ arc_c_min = MAX(arc_c / 4, 64<<18); Could this mean that 16 MB are already

Re: ZFS on small systems

2009-09-17 Thread Steve Bertrand
Anselm Strauss wrote: > Hi, > > I'm interested in using ZFS on one of my small systems with 256 MB of > RAM and 4 GB flash disk. Since ZFS is now considered production ready on > FreeBSD I would like to use it as root filesystem and profit mainly from > the cool snapshot features for easy backups.