Date: Thu, 18 Apr 2002 05:58:01 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: sos@freebsd.dk Cc: msch@snafu.de, freebsd-current@FreeBSD.ORG Subject: Re: ATA errors on recent -current Message-ID: <3CBEC2D9.436485D0@mindspring.com> References: <200204180706.g3I76HmJ046472@freebsd.dk>
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"S=F8ren Schmidt" wrote: > It seems Terry Lambert wrote: > > My other hunch is that there will need to be a channel reserved > > for "reset" commands to be queued to the disk, so that you can > > queue more commands to it later (e.g. can't connect to send the > > reset because of the already disconnected commands in progress). > = > Terry, read the ATA spec, it doesn't work that way, tags on > ATA is very different from tags on SCSI, and beside a reset > is not a command, but a bit in a HW port.. I didn't mean for the reset itself, I meant for the process. You can't "take back" writes that are in progress and not acknowledged, in order to retry them after the reset, so as to not lose data. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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