Date: Mon, 10 Dec 2001 10:58:44 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Mike Smith <msmith@FreeBSD.ORG> Cc: freebsd-current@FreeBSD.ORG Subject: Re: cvs commit: src/sys/kern subr_diskmbr.c Message-ID: <200112101858.fBAIwiX48022@apollo.backplane.com> References: <200112101901.fBAJ1hV01951@mass.dis.org>
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:> Well, for reads a non-stripe-crossing op would still work reasonably
:> well. But for writes less then full-stripe operations without
:> spindle sync are going to be terrible due to the read-before-write
:> requirement (to calculate parity). The disk cache is useless in that
:> case.
:
:You obviously weren't reading the previous thread on RAID5 checksum
:calculation, I see. 8)
I don't see a thread on raid-5 checksuming. What was the subject?
-Matt
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