Date: Mon, 13 May 1996 01:47:44 -0700 (PDT) From: asami@cs.berkeley.edu (Satoshi Asami) To: current@freebsd.org, stable@freebsd.org Cc: nisha@cs.berkeley.edu Subject: Heads-up: ccd offset 16 change committed Message-ID: <199605130847.BAA04203@silvia.HIP.Berkeley.EDU>
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I just committed changes to ccd.c to not use the first 16 blocks in each of the underlying partitions. What this means is that you can stop worrying about starting the partitions for ccd too close to the beginning of the slice. Anything that works for FFS will also work for ccd, including the "c" partition (which, I think, is what most people would want to use for ccd anyway). The downside of this is that if you already have a ccd set up on your machine, it will stop working when you recompile the kernel from the latest sources. To avoid this, you should either (1) change the disklabel to move the partitions 16 sectors towards the beginning of the disk, or (2) change the definition of CCD_OFFSET to 0 in sys/dev/ccd/ccd.c. Or just back up, recompile, and restore. I believe this would be the last major change in the ccd layout in the forseeable future. (Well there still might be, but at least I don't anticipate anything anytime soon, that's why it's called "forseeable". :> ) Happy concatenating! Satoshi
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