From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <2f1ad63b791f34e9f355a6b511a76efc@quanstro.net> From: erik quanstrom Date: Tue, 20 Jan 2009 09:13:15 -0500 To: 9fans@9fans.net In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] Changelogs & Patches? Topicbox-Message-UUID: 835151f2-ead4-11e9-9d60-3106f5b1d025 > 1. What's the use of copying arenas to CD/DVD? Is it purely back up, > since they have to stay on-line forever? backup. > 2. Would fossil/venti notice silent data corruptions in blocks? venti would. the score wouldn't match the block. > 3. Do you think its a good idea to have volume management be > part of filesystems, since that way you can try to heal the data > on-the-fly? i think they are seperate questions. i see a couple of strong disadvantages to combining volume management with the fs - it's hard to reason about; zfs redundency stratgeies seem ideosyncratic. - you need a different volume management solution for non zfs needs. - to manage the storage you need to be a zfs expert. conversely to manage zfs you need to be a storage expert. - raid5 is very slow if you move the raid computation away from the data as you need to move the data to the computation. > 4. If I have a venti server and a bunch of sha1 codes, can I somehow > instantiate a single fossil serving all of them under /archive? i don't understand the question. - erik