From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <7dd00e3a7067afeaad6074b0a0bc64ec@plan9.bell-labs.com> To: 9fans@cse.psu.edu Subject: Re: [9fans] Fs64 file server, partition boundaries out of range Date: Sat, 5 Aug 2006 19:21:48 -0400 From: geoff@plan9.bell-labs.com In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: 979af062-ead1-11e9-9d60-3106f5b1d025 I didn't explain that as clearly as I could have: all blocks on the disk underlying a fake worm can be read from the disk device, but only already-written blocks can be read via the fake-worm device, and it's the fake worm's allocation bitmap that determines which blocks have been written. This in turn emulates the real worm hardware, which only permits reading written blocks.