Date: Mon, 05 Feb 2007 10:34:45 -0600 From: Eric Anderson <anderson@freebsd.org> To: Indigo <indigo@voda.cz> Cc: freebsd-fs@freebsd.org Subject: Re: Dumb filesystem idea Message-ID: <45C75CA5.5030409@freebsd.org> In-Reply-To: <op.tm8vx9x45sheu4@spyro.eiecon.net> References: <op.tm8vk0oj5sheu4@spyro.eiecon.net> <op.tm8vx9x45sheu4@spyro.eiecon.net>
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On 02/04/07 16:11, Indigo wrote: > Hello Everyone, > Im about to try a disklayout experiment and I wanted to ask everyone if > Im trying things that are pointless or if I should extend the experiment > somehow. > > Hardware: > Highpoint RocketRAID 2320 > 2xWD Raptor 74GB > 5xWD Caviar 320GB > > Original idea for the setup: > 74GB RAID1 (Raptors) > /,/var,/usr > 50GB RAID0 (Caviars[10GB from each - maybe less]) > swap,/usr/obj,/tmp,[/var/audit] > 1TB+ RAID5 (Caviars[the rest]) > /home (or just general storage) > > The goal is to waste as few fast/reliable space as possible on things that > CAN be lost and to generally reorganize the filesystem by file purpose. > > Known issue is that I'll need some script to recreate the RAID0 > filesystems when they crash. > > Am I onto something here? I feel like running in circles - it's dumb to > put /var/obj on the RAID1 where it just eats valuable space. But it's also > dumb to put things on a RAID0 where they will crash a running system in > the event of disk failure. I know my idea won't work but I wanted to ask > if anyone was playing with similar ideas. It's not dumb - there's even been some lengthy discussion of this on the freebsd-geom@ list recently I believe. Check the archives, and you can read up on nearly this exact scenario. Eric
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