Date: Tue, 07 Dec 1999 08:05:24 -0700 From: "Justin T. Gibbs" <gibbs@FreeBSD.org> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Julian Elischer <julian@whistle.com>, Mike Smith <msmith@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern kern_shutdown.c Message-ID: <199912071505.IAA00369@caspian.plutotech.com> In-Reply-To: Your message of "Tue, 07 Dec 1999 00:29:12 PST." <199912070829.AAA75674@apollo.backplane.com>
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>:This is basically what we decided was needed in discussion with Kirk to >:make Soft Updates safe. (The whole point). >: >:Julian > > The disk can lie about whether it has written data to the disk without > messing softupdates up, but it cannot reorder writes that the system has > told it must be ordered. SCSI has a tag to guarentee ordering (or not), > but I don't know if IDE has the same sort of feature. > > -Matt My understanding is that the ordered tag may go away in the near SCSI future. I think this is absurd personally, but the makers of cheap disks are making a big push for this. -- Justin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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