From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: From: erik quanstrom Date: Tue, 8 Sep 2009 14:54:09 -0400 To: 9fans@9fans.net In-Reply-To: <4AA69FD0.6030907@0x6a.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] Petabytes on a budget: JBODs + Linux + JFS Topicbox-Message-UUID: 6ae61020-ead5-11e9-9d60-3106f5b1d025 > So what about having venti on an AoE device, and fossil on a local drive > (say an ssd even)? sure. we keep the cache on the coraid sr1521 as well. > How would you handle (or: how would venti handle), a > resize of the AoE device? that would depend on the device structure of ken's fs. as long as you don't use the pseudo-worm device, it wouldn't care. the worm would simply grow. if you use the pseudo-worm device (f), changing the size of the device would fail since the written bitmap is at a fixed offset from the end of the device. and if you try to read an unwritten block, the f panics the file server. i stopped using the f device. - erik