From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roy Sigurd Karlsbakk Subject: Re: Best practice for large storage? Date: Thu, 14 Feb 2013 18:39:31 +0100 (CET) Message-ID: <9702021.20.1360863570996.JavaMail.root@zimbra> References: <511D1FF9.1020502@aeoncomputing.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <511D1FF9.1020502@aeoncomputing.com> Sender: linux-raid-owner@vger.kernel.org To: Jeff Johnson Cc: Linux RAID List-Id: linux-raid.ids I don't feel like using the fuse version, but is zfsonlinux really stab= le yet?=20 ----- Opprinnelig melding ----- > Roy, >=20 > Why not use ZFS on Linux? (http://www.zfsonlinux.org) >=20 > ZFS on Linux is being merged into the upcoming Lustre 2.4 parallel > filesystem release. >=20 > --Jeff >=20 > On 2/14/13 9:28 AM, Roy Sigurd Karlsbakk wrote: > > Hi all > > > > It seems we may need some storage for video soon. This is a 20k > > studen college in Norway, with rather a few on media related > > studies. Since these students produce rather large amounts of raw > > material, typically to be stored during the semester, we may need > > some 50-100TiB, perhaps more. I have setup systems with these > > amounts of storage earlier on ZFS, but may be using Linux MD for > > this project. I'm aware of the lack of checksumming, snapshots etc > > with Linux, but may be using it because of more Linux knowledge > > amongst the sysadmins here. In such a setup, I guess nearline SAS > > drives on a SAS expander will be used, and with the amount of > > storage needed, I won't be using a single RAID-6 (too insecure) or > > RAID-10 (too expensive) for the lot. In ZFS-land I used smallish > > VDEVs (~10 drives each) in a large pool. > > > > - Would using LVM on top of RAID-6 give me something similar? > > - If so, should I stripe the RAID sets, and again, if striping > > them, will it be as easy to add new RAID sets as we run out of > > space? > > > > Thanks, and best regards > > > > roy > > -- > > Roy Sigurd Karlsbakk > > (+47) 98013356 > > roy@karlsbakk.net > > http://blogg.karlsbakk.net/ > > GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt > > -- > > I all pedagogikk er det essensielt at pensum presenteres > > intelligibelt. Det er et element=C3=A6rt imperativ for alle pedagog= er =C3=A5 > > unng=C3=A5 eksessiv anvendelse av idiomer med xenotyp etymologi. I = de > > fleste tilfeller eksisterer adekvate og relevante synonymer p=C3=A5 > > norsk. > > -- > > To unsubscribe from this list: send the line "unsubscribe > > linux-raid" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html >=20 >=20 > -- > ------------------------------ > Jeff Johnson > Co-Founder > Aeon Computing >=20 > jeff.johnson@aeoncomputing.com > www.aeoncomputing.com > t: 858-412-3810 x101 f: 858-412-3845 > m: 619-204-9061 >=20 > /* New Address */ > 4170 Morena Boulevard, Suite D - San Diego, CA 92117 --=20 Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 98013356 roy@karlsbakk.net http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt.= Det er et element=C3=A6rt imperativ for alle pedagoger =C3=A5 unng=C3=A5= eksessiv anvendelse av idiomer med xenotyp etymologi. I de fleste tilf= eller eksisterer adekvate og relevante synonymer p=C3=A5 norsk. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html