Some questions about vfs.zfs.prefetch_disable=1 and ZFS filesystem versions

2010-03-15 Thread Dan Naumov
After looking at the arc_summary.pl script (found at http://jhell.googlecode.com/files/arc_summary.pl), I have realized that my system has set vfs.zfs.prefetch_disable=1 by default, looking at dmesg, I see: = ZFS NOTICE: Prefetch is disabled by default if less than 4GB of

Re: Some questions about vfs.zfs.prefetch_disable=1 and ZFS filesystem versions

2010-03-15 Thread Dan Naumov
Nevermind the question about ZFS filesystem versions, I should've Googled more throughly and read Pawel's responce to this question before (answer: dmesg picks the filesystem version wrong, it IS and supposed to be v3). I am still curious about prefetch though. - Sincerely, Dan Naumov

Re: Some questions about vfs.zfs.prefetch_disable=1 and ZFS filesystem versions

2010-03-15 Thread Jeremy Chadwick
On Tue, Mar 16, 2010 at 01:40:25AM +0200, Dan Naumov wrote: After looking at the arc_summary.pl script (found at http://jhell.googlecode.com/files/arc_summary.pl), I have realized that my system has set vfs.zfs.prefetch_disable=1 by default, looking at dmesg, I see:

Re: Some questions about vfs.zfs.prefetch_disable=1 and ZFS filesystem versions

2010-03-15 Thread Jeremy Chadwick
On Tue, Mar 16, 2010 at 02:06:35AM +0200, Dan Naumov wrote: Nevermind the question about ZFS filesystem versions, I should've Googled more throughly and read Pawel's responce to this question before (answer: dmesg picks the filesystem version wrong, it IS and supposed to be v3). The printing