Date: Thu, 10 Oct 2013 22:38:34 +0000 From: Lawrence Chen <lkchen@ksu.edu> To: "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org> Subject: RE: RAM and zfs and multiple disks Message-ID: <08bab77efc4a4bdabc399c6576e3420a@BN1PR05MB264.namprd05.prod.outlook.com> In-Reply-To: <BF5D198B-F156-4F3D-872D-B9F6426BCEAF@morganjones.org> References: <20131010170724.GA19751@potato.growveg.org>, <BF5D198B-F156-4F3D-872D-B9F6426BCEAF@morganjones.org>
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I have a couple of SFF Atom D2700's, so max memory is 4GB. That I've been = running as headless servers.... Were FreeBSD 9.1, upgraded to 9.2 last wee= kend. Though just a couple of 120GB SSDs in them. Been going pretty goo= d.=0A= =0A= dedup is probably out, though they say L2ARC can help....no plans to add mo= re storage to these.=0A= =0A= One of the servers is really busy (cacti)....load is usually 12+, since upg= rading to FreeBSD 9.2 and switching to lz4....load is often just under 10..= ..=0A= =0A= --=0A= Who: Lawrence K. Chen, P.Eng. - W0LKC - Sr. Unix Systems Administrator=0A= For: Enterprise Server Technologies (EST) -- & SafeZone Ally=0A= =0A= ________________________________________=0A= From: owner-freebsd-fs@freebsd.org <owner-freebsd-fs@freebsd.org> on behalf= of Morgan Jones <morgan@morganjones.org>=0A= Sent: Thursday, October 10, 2013 15:34=0A= To: freebsd-fs@freebsd.org=0A= Subject: Re: RAM and zfs and multiple disks=0A= =0A= I've FreeBSD with 8gb of ram and no swap for years. I'm currently on 9.0 6= 4-bit.=0A= =0A= I have 2 zfs pools:=0A= one is a pair of 16gb thumb drives for /=0A= the other is 4x2tb + 2x500gb mirror for 10 or so mount points=0A= =0A= It runs with zero problems. In FreeBSD 8.x I had to set the arc max to kee= p from memory starving other processes but 9.0 has been fine. 32-bit was a= disaster--I couldn't keep it from crashing.=0A= =0A= I'm not running dedup.=0A= =0A= -morgan=0A= =0A= =0A= On Oct 10, 2013, at 1:07 PM, John <freebsd-lists@potato.growveg.org> wrote:= =0A= =0A= > Hello list,=0A= >=0A= > I'd like to have zfs on my freebsd desktop. However,=0A= > this motherboard can take 8GB RAM, max.=0A= >=0A= > I'd like to get 2 x4Tb drives. Realistically, do I=0A= > need another motherboard? The primary reason to have ZFS=0A= > is to guard against bitrot.=0A= >=0A= > thanks,=0A= > --=0A= > John=0A= > _______________________________________________=0A= > freebsd-fs@freebsd.org mailing list=0A= > http://lists.freebsd.org/mailman/listinfo/freebsd-fs=0A= > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"=0A= =0A= _______________________________________________=0A= freebsd-fs@freebsd.org mailing list=0A= http://lists.freebsd.org/mailman/listinfo/freebsd-fs=0A= To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"=0A=
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