Date: Thu, 11 Feb 1999 18:36:08 -0700 From: "Justin T. Gibbs" <gibbs@plutotech.com> To: "Kenneth D. Merry" <ken@plutotech.com> Cc: andreas@klemm.gtn.com (Andreas Klemm), gibbs@plutotech.com, scsi@FreeBSD.ORG Subject: Re: 2.2.7/3.0-STABLE: tagged command queueing && poor write performance Message-ID: <199902120144.SAA21039@pluto.plutotech.com> In-Reply-To: Your message of "Thu, 11 Feb 1999 13:33:49 MST." <199902112033.NAA30231@panzer.plutotech.com>
next in thread | previous in thread | raw e-mail | index | archive | help
>> Is there a possibility to reduce the number of tags / disk using >> syscontrol or camcontrol ? Or where can I reduce the maximum number >> of tags for this specific harddisk ? > >The only way to reduce the number of tags for a given hard disk is to put a >quirk entry in the transport layer. (sys/cam/cam_xpt.c) Camcontrol should be modified to allow a user to reduce or disable tags (and sync rates and wide transfers). The XPT function codes and ccb types are there to do this, they just need to be hooked up. -- Justin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199902120144.SAA21039>