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Date:      Tue, 19 Jan 1999 23:11:10 -0800 (PST)
From:      Matthew Jacob <mjacob@feral.com>
To:        "Kenneth D. Merry" <ken@plutotech.com>
Cc:        cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG
Subject:   Re: cvs commit: src/sys/cam cam_xpt.c
Message-ID:  <Pine.LNX.4.04.9901192309200.22955-100000@feral-gw>
In-Reply-To: <199901200401.VAA00607@panzer.plutotech.com>

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> > Now, we should modify scsi_da to cope dynamically with this.
> 
> I'm not sure I understand...we already dynamically reduce the number of
> outstanding tags whenever a drive sends queue full.  Some drives, though,
> tend to lock up when they get to a queue full condition.

Yes, that's true. Sorry- I wasn't thinking clearly. It is just that
retrofitting for breakage is a losing game.

It might make more sense to limit tags to something lower *unless* there's
a quirks that says this drive can take a lot. By and large I'd really
wonder that > 8 per spindle makes any sense at all.




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