Date: Sat, 14 Feb 1998 17:49:49 +1030 From: Greg Lehey <grog@lemis.com> To: Michael Hancock <michaelh@cet.co.jp> Cc: freebsd-fs@FreeBSD.ORG Subject: Re: ccd and ftd Message-ID: <19980214174949.03637@freebie.lemis.com> In-Reply-To: <Pine.SV4.3.95.980214150616.12825A-100000@parkplace.cet.co.jp>; from Michael Hancock on Sat, Feb 14, 1998 at 03:17:27PM %2B0900 References: <19980214152751.60811@freebie.lemis.com> <Pine.SV4.3.95.980214150616.12825A-100000@parkplace.cet.co.jp>
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On Sat, 14 February 1998 at 15:17:27 +0900, Michael Hancock wrote: > On Sat, 14 Feb 1998, Greg Lehey wrote: > >>> 2940 - disk1 - disk2 - disk3 - disk4 >>> >>> and mirror/duplex the whole array with another identical array. >>> >>> 2940 - disk5 - disk6 - disk7 - disk8 >>> >> Maybe we're talking at cross purposes here. The current version of > > Yes, I'd like to mirror 2 arrays and stripe them. Presumably, your driver > would allow you to do the following: > > 1) Mirroring > > 2) Concatenating and mirroring > > 3) Striping and mirroring (expensive, fast, and safe) > > 4) Striping with parity (RAID5) (cheaper, pretty fast, and safe) Yes. See my last message. > I don't think anything else is required. Neither do I, otherwise I would have done it :-) > For anything less than fault-tolerant you'd just use ccd. Why? Greg To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message
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