Date: Wed, 09 Apr 2008 10:26:09 -0700 From: Louis Kowolowski <louisk@cryptomonkeys.com> To: freebsd-stable@freebsd.org Subject: Re: [SO]HO Software RAID5 server: which implementation should I choice? Message-ID: <47FCFC31.6000102@cryptomonkeys.com> In-Reply-To: <47FCBAFB.9060508@tzim.net> References: <396418019.20080409104542@serebryakov.spb.ru> <47FCBAFB.9060508@tzim.net>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigF94AEECC020B39C08AF1304E Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Arnaud Houdelette wrote: > Lev Serebryakov a =E9crit : >> Hello, freebsd-stable. >> >> Does somebody use some software RAID5 on FreeBSD in real production >> system? >> >> I want to build storage server for my home: RAW photos, multi-layer >> PhotoShop files and FLAC-encoded music consume a lot of space, and >> they should be availible both from desktop & notebook. >> >> Also, all photo-content is unique, so I need some insuranse from >> single HDD crash. I understand, that I will not safe from fire, PSU >> failure and thing slike this. >> >> I selected hardware platform: Intel Q35-based MoBo with 6xSATA-II po= rts >> (all of them is chipset-based, so no SiliconImage/JMicron/Whatever >> crappy controllers), some low-end Core2Duo, 2Gb of memory. >> Storage will be 5x500Gb WD HDDs for RAID + one small HDD for boot, >> system, >> swap, etc. I want to have 2Tb (ok, not real Tb, I know) of "protected"= >> storage. >> I want to have maximum speed via 1Gb network, because graphic files >> are big and should open fast. Not as fast as local ones, I understand >> that, but speeds about 12-15Mb/s is not enough for sure :) >> >> Only problem I see: which software RAID5 solution should I prefer? >> FreeBSD-based, of course! >> >> I see these variants: >> >> (1) FreeBSD 6(7?) + graid3. Slow, one disk for checksums is bottlenec= k, >> as far as I understand. >> >> (2) FreeBSD 6(7?) + gvinum/radi5. Is it stable enough?! Is it complet= e? >> when I try it about 6 months ago in VMWare installation with 5 >> virtual disks, I got panics and strange behaviour after "crashing= " >> one of virtual disks. >> >> (3) FreeBSD 6(7?) + graid5. Again, is it stable enough? There are >> THREE versions of it. Which one should I prefer? There was long >> thread about it some times ago without any clear conclusion. Does= >> something changed? >> >> (4) FreeBSD 7 + ZFS "zraid". And again: stability. Too many messages >> about locks, crashes, etc. Code is experemental. Is it only for >> 32 bit systems? >> >> (5) Do I miss something? >> >> (6) Solaris + ZFS? I don't want it, I know a little about Solaris >> administaration, and I already have FreeBSD servers and routers. >> >> I know, that 3ware or Areca controllers are very good. I know, that >> "gmirror" is very stable. But these variants are too expensive for >> home server :( >> >> Does somebody use some software RAID5 on FreeBSD in real production?= >> Any advices? >> =20 >=20 I've been using FreeNAS (http://www.freenas.org) for personal use as well as a couple of places at work. It lives on a USB key and uses the disks for storage. It uses Samba, AFP, NFS, and iSCSI. I haven't really loaded it down, but I've been seeing close to 100Mbit (on gig-e) (this is NFS shares for VMWare ESX) --=20 Louis Kowolowski louisk@cryptomonkeys.com Cryptomonkeys: http://www.cryptomonkeys.com/~louisk Everyone is a genius. It's just that some people are too stupid to realize it. --------------enigF94AEECC020B39C08AF1304E Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkf8/DQACgkQZk0r6oAkN7adegCgi8/pHpHMNOnYNauUJr4XNOiu aKQAoJQwspHPBOjwqVHonkcKyYng5Cl9 =0NWm -----END PGP SIGNATURE----- --------------enigF94AEECC020B39C08AF1304E--
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