Re: zfs, 1 gig of RAM and periodic weekly

2012-02-28 Thread Peter Jeremy
On 2012-Feb-27 14:48:05 -0800, Freddie Cash fjwc...@gmail.com wrote: You can get away with 2 GB of RAM, if you spend a lot of time manually tuning things to prevent kmem exhaustion and prevent ZFS ARC from starving the rest of the system (especially on the network side of things). I run a system

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-28 Thread Paul Mather
On Feb 27, 2012, at 11:10 PM, Eugene M. Zheganin wrote: Hi. On 28.02.2012 01:02, Nenhum_de_Nos wrote: regardless of the pool size ? I was planning on making an atom board a file server for my home, and I have two options: soekris net6501 2GB RAM and intel board powered by the 330 atom

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-28 Thread Alexander Leidinger
Quoting Eugene M. Zheganin e...@norma.perm.ru (from Tue, 28 Feb 2012 10:10:30 +0600): Hi. On 28.02.2012 01:02, Nenhum_de_Nos wrote: regardless of the pool size ? I was planning on making an atom board a file server for my home, and I have two options: soekris net6501 2GB RAM and intel

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-28 Thread Jason Wohlford
On Feb 26, 2012, at 11:07 PM, Eugene M. Zheganin wrote: I'm haunted by a weird bug. Some of my servers (IBM x3250) hang periodically. And this is always saturday morning. Different servers in different cities, all with zfs and one gig of RAM. And yeah, it's periodic weekly. I can say more

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-28 Thread Andriy Gapon
on 27/02/2012 07:07 Eugene M. Zheganin said the following: vfs.zfs.arc_max=30M I am not much of an expert in tuning ZFS, and for low-end systems in particular... But it seems to me that with this setting you are actually stress (torture) testing ZFS rather than using it. -- Andriy Gapon

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-27 Thread Eugene M. Zheganin
Hi. On 27.02.2012 13:40, Peter Maloney wrote: 8.2-RELEASE is highly unstable with ZFS in my opinion. For example, my system with 48 GB of RAM would hang or crash for no apparent reason in random intervals. Upgrading in September fixed most of it, except 1 random hang possibly related to NFS,

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-27 Thread Johannes Totz
On 27/02/2012 05:07, Eugene M. Zheganin wrote: Hi. I'm haunted by a weird bug. Some of my servers (IBM x3250) hang periodically. And this is always saturday morning. Different servers in different cities, all with zfs and one gig of RAM. And yeah, it's periodic weekly. I can say more -

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-27 Thread Chuck Swiger
Hi-- On Feb 26, 2012, at 9:07 PM, Eugene M. Zheganin wrote: [ ... ] all with zfs and one gig of RAM. This isn't a sensible combination; I wouldn't try to run ZFS on anything less than 4GB... Regards, -- -Chuck ___ freebsd-stable@freebsd.org

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-27 Thread Nenhum_de_Nos
On Mon, February 27, 2012 15:33, Chuck Swiger wrote: Hi-- On Feb 26, 2012, at 9:07 PM, Eugene M. Zheganin wrote: [ ... ] all with zfs and one gig of RAM. This isn't a sensible combination; I wouldn't try to run ZFS on anything less than 4GB... regardless of the pool size ? I was

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-27 Thread Freddie Cash
On Mon, Feb 27, 2012 at 11:02 AM, Nenhum_de_Nos math...@eternamente.info wrote: On Mon, February 27, 2012 15:33, Chuck Swiger wrote: On Feb 26, 2012, at 9:07 PM, Eugene M. Zheganin wrote: [ ... ] all with zfs and one gig of RAM. This isn't a sensible combination; I wouldn't try to run ZFS on

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-27 Thread Charles Sprickman
On Feb 27, 2012, at 5:48 PM, Freddie Cash wrote: On Mon, Feb 27, 2012 at 11:02 AM, Nenhum_de_Nos math...@eternamente.info wrote: On Mon, February 27, 2012 15:33, Chuck Swiger wrote: On Feb 26, 2012, at 9:07 PM, Eugene M. Zheganin wrote: [ ... ] all with zfs and one gig of RAM. This

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-27 Thread Eugene M. Zheganin
Hi. On 28.02.2012 01:02, Nenhum_de_Nos wrote: regardless of the pool size ? I was planning on making an atom board a file server for my home, and I have two options: soekris net6501 2GB RAM and intel board powered by the 330 atom (says 2GB limited as well). My plans are to use from 4 up to 8

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-27 Thread Nenhum_de_Nos
On Tue, February 28, 2012 01:10, Eugene M. Zheganin wrote: Hi. On 28.02.2012 01:02, Nenhum_de_Nos wrote: regardless of the pool size ? I was planning on making an atom board a file server for my home, and I have two options: soekris net6501 2GB RAM and intel board powered by the 330

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-27 Thread Eugene M. Zheganin
Hi. On 27.02.2012 20:42, Johannes Totz wrote: You could try to narrow it down to one specific script. My first guess is that 310.locate brings the machine down as it traverses the whole tree. You're absolutely right. Eugene. ___

zfs, 1 gig of RAM and periodic weekly

2012-02-26 Thread Eugene M. Zheganin
Hi. I'm haunted by a weird bug. Some of my servers (IBM x3250) hang periodically. And this is always saturday morning. Different servers in different cities, all with zfs and one gig of RAM. And yeah, it's periodic weekly. I can say more - it's repeatable. 25 minutes ago I typed 'periodic

Re: zfs, 1 gig of RAM and periodic weekly

2012-02-26 Thread Peter Maloney
On 02/27/2012 06:07 AM, Eugene M. Zheganin wrote: Hi. I'm haunted by a weird bug. Some of my servers (IBM x3250) hang periodically. And this is always saturday morning. Different servers in different cities, all with zfs and one gig of RAM. And yeah, it's periodic weekly. I can say more -