7.2 dies in zfs

[Scot Hetzel]

On Sat, Nov 21, 2009 at 1:36 PM, Jeremy Chadwick
<freebsd at jdc.parodius.com> wrote:
>
> On Sat, Nov 21, 2009 at 08:07:40PM +0100, Johan Hendriks wrote:
>> Randy Bush <randy at psg.com> wrote:
>> > imiho, zfs can not be called production ready if it crashes if you
>> > do not stand on your left leg, put your right hand in the air, and
>> > burn some eye of newt.
>>
>> This is not a rant, but where do you read that on FreeBSD 7.2 ZFS has
>> been marked as production ready.
>> As far as i know, on FreeBSD 8.0 ZFS is called production ready.
>>
>> If you boot your system it probably tell you it is still experimental.
>>
>> Try running FreeBSD 7-Stable to get the latest ZFS version which on
>> FreeBSD is 13
>> On 7.2 it is still at 6 (if I remember it right).
>
> RELENG_7 uses ZFS v13, RELENG_8 uses ZFS v18.
>

RELENG_8 is still using ZFS v13.

> RELENG_7 and RELENG_8 both, more or less, behave the same way with
> regards to ZFS.  Both panic on kmem exhaustion.  No one has answered my
> question as far as what's needed to stabilise ZFS on either 7.x or 8.x.
>
Under RELENG_8/i386, you still need to tune ZFS as mentioned in the
ZFS Tuning Guide:

http://wiki.freebsd.org/ZFSTuningGuide

With RELENG_8/amd64 no tuning is necessary, if the system has at least 2G RAM.

Scot