From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 27BF913877A for ; Fri, 29 Aug 2014 18:14:51 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 9286FE0A5E; Fri, 29 Aug 2014 18:14:43 +0000 (UTC) Received: from mail0200.smtp25.com (mail0200.smtp25.com [174.37.170.200]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 70E4BE0929 for ; Fri, 29 Aug 2014 18:14:41 +0000 (UTC) Received: from ccs.covici.com (d-out-001.smtp25.com [67.228.158.174]) by s-out-001.smtp25.com (8.14.2/8.14.2) with ESMTP id s7TIEdXZ010017 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Fri, 29 Aug 2014 14:14:40 -0400 Received: from ccs.covici.com (localhost [127.0.0.1]) by ccs.covici.com (8.14.9/8.14.8) with ESMTP id s7TIEdmf028339 for ; Fri, 29 Aug 2014 14:14:39 -0400 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] SSD recmmendation / input In-reply-to: <20140829162218.GD29499@syscon7> References: <20140828204510.GI26952@syscon7> <201408282246.31427.michaelkintzios@gmail.com> <20140828225657.GJ26952@syscon7> <53FFFD5B.1060301@gmail.com> <20140829045425.GK26952@syscon7> <540092F4.4000305@gmail.com> <20140829162218.GD29499@syscon7> Comments: In-reply-to Joseph message dated "Fri, 29 Aug 2014 10:22:18 -0600." X-Mailer: MH-E 8.2; nmh 1.3; GNU Emacs 23.4.1 Date: Fri, 29 Aug 2014 14:14:39 -0400 Message-ID: <28338.1409336079@ccs.covici.com> From: covici@ccs.covici.com X-SpamH-OriginatingIP: 70.109.53.110 X-SpamH-Filter: s-out-001.smtp25.com-s7TIEdXZ010017 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Archives-Salt: 819cc355-a730-42b9-a622-a3e475cfa14c X-Archives-Hash: a500fef55b0d7e10b807555ca121ea77 Joseph wrote: > The Crucial 512GB SSD is not that expensive and I found some notes on partitioning SSD on Gentoo: > https://wiki.gentoo.org/wiki/SSD > > It seems to me I'll only have boot, swap and root partition; home I think will be mounted on root partition. > > -- > Joseph > > > On 08/29/14 07:49, Daniel Frey wrote: > >On 08/28/2014 09:54 PM, Joseph wrote: > >> No, I wouldn't get 1TB SSD too expensive but something like 300GB I > >> might consider it. > >> Are they worth the investment? What brand do you have and how long? > > > >I have several SSDs. I currently use Kingston, Crucial, and Intel. > > > >A bit of background - I use a mythtv setup with multiple frontends. I > >had a SSD in the backend but it failed after about two years with no > >warning -- one day I noticed the frontends behaving strangely and found > >out I couldn't log into the backend (via ssh or directly.) The server > >sustained a lot of writes to the database daily, however, the actual > >recordings were on rust disks. > > > >It was a Kingston that failed, a 32GB model. > > > >The Crucial and Intel I have are still relatively new, the Crucial being > >a year and a bit old, and the Intel only a few days old. :-) > > > >Speedwise, there's no comparison. Especially running emerge/compiling - > >my frontend (equipped with an E8400 and 2GB RAM) with the Kingston SSD > >beats my main workstation equipped with a rust raid10 (a QX9650 with 8 > >GB RAM) every time. > > > >I have two recommendations for a new SSD user - 1) Flash the firmware to > >a new version right away if available, and 2) Don't partition the entire > >SSD if you can avoid it. Apparently SSDs will use unused space for wear > >leveling - as an example I believe I only partitioned 20GB (out of a > >64GB SSD) on my frontends. That's a bit excessive and you may not be > >able to do that, but you get the idea. > > > >Also make sure to use parted to partition so the partitions themselves > >are aligned properly. > > > >(Regarding the firmware update - my Crucial had one and I ignored it. > >About 3 months later my laptop was acting weird and complaining about > >the disk. I was lucky - I flashed the firmware and it was fine with no > >data loss. Others are not so lucky...) How is the partitioning advise effected by lvm? I use that all the time and just do a normal boot partition and the rest given over to lvm. But this may be not good with an ssd. -- Your life is like a penny. You're going to lose it. The question is: How do you spend it? John Covici covici@ccs.covici.com