Date: Fri, 31 Jan 2003 14:10:54 -0500 From: Steve Byan <stephen_byan@maxtor.com> To: Lord Isildur <mrfusion@uranium.vaxpower.org> Cc: David Laight <david@l8s.co.uk>, freebsd-fs@FreeBSD.ORG, tech-kern@netbsd.org Subject: Re: DEV_B_SIZE Message-ID: <B8AB7B3A-354F-11D7-B26B-00306548867E@maxtor.com> In-Reply-To: <Pine.3.89.10301311357.A20439-0100000@uranium.vaxpower.org>
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On Friday, January 31, 2003, at 01:51 PM, Lord Isildur wrote: > to just get the performance of aligned accesses, we dont need to modify > block sizes and such stuff. an an example, read the paper linked to > from > this; http://www.pdl.cmu.edu/PDL-FTP/stray/traxtent_abs.html > (brought to you by the same folks who did soft updates and raidframe) Thanks, I'm aware of the excellent CMU paper. In fact, if anyone wants a way to get the complete physical geometry of Maxtor SCSI disks just by reading mode-pages, email me and I can supply the details. My concern is with the proposed backward-compatibility mode, which I fear subtly breaks the failure semantics which systems with persistent storage rely upon to recover. Regards, -Steve -------- Steve Byan <stephen_byan@maxtor.com> Design Engineer Maxtor Corp. MS 1-3/E23 333 South Street Shrewsbury, MA 01545 (508) 770-3414 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message
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