Date: Tue, 23 Jun 2009 13:10:46 +0300 From: Dan Naumov <dan.naumov@gmail.com> To: Simun Mikecin <numisemis@yahoo.com> Cc: freebsd-fs@freebsd.org Subject: Re: 7.2-STABLE: swap on ZFS v13 Message-ID: <cf9b1ee00906230310j7e304efcp21c9588a75ab1ef@mail.gmail.com> In-Reply-To: <288239.1376.qm@web37303.mail.mud.yahoo.com> References: <288239.1376.qm@web37303.mail.mud.yahoo.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Pardon my perhaps stupid question, but what exactly does the "-o org.freebsd:swap=on" option do? Couldn't find anything related during a quick glance at the zfs manpage (on a 7.2-release/amd64 system with zfsv6). - Sincerely, Dan Naumov On Tue, Jun 23, 2009 at 1:01 PM, Simun Mikecin<numisemis@yahoo.com> wrote: > > Hi! > > Before ZFS v13 import to the 7-STABLE branch, it was a well known fact that swap on ZFS volume (zvol) will not work. > Recently, I tried to use swap on ZFS v13 (7-STABLE/amd64). It seems that it works. > > I used 4k for the volblocksize as that is equivalent to hardware page size. > I tried with compression enabled and disabled. Enabling compression reduces number of bytes that need to be swapped in and out to the zvol. > > zfs create -o volblocksize=4k -o compression=on -o org.freebsd:swap=on -V 4g tank/swap > swapon /dev/zvol/tank/swap > > Is there anybody else who tried 7-STABLE/amd64 with swap on ZFS v13? Does it work or not? > > > > > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?cf9b1ee00906230310j7e304efcp21c9588a75ab1ef>