Date: Thu, 04 Apr 2002 16:52:14 -0500 From: "Jud " <jud@operamail.com> To: <culverk@alpha.yumyumyum.org>, <george@galis.org> Cc: <Kevin_Stevens@pursued-with.net>, <nl3481@wi.rr.com>, <questions@FreeBSD.ORG> Subject: Re: EIDE drive performance improvements Message-ID: <20020404215214.32543.qmail@operamail.com>
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----- Original Message ----- From: Kenneth Culver <culverk@alpha.yumyumyum.org> Date: Thu, 4 Apr 2002 13:04:00 -0500 (EST) To: George Georgalis <george@galis.org> Subject: Re: EIDE drive performance improvements > > Well it 'seems' faster with the tags option, never heard of that, but > > we'll see if it croaks! > > The tags option enables tagged queueing on some IBM drives. I'm not sure > but I think that allows multiple ata commands to be sent to the drive at > once or something. I could be wrong so someone correct me if I am > > Ken I had been using the tags option, but stopped because: (1) My FreeBSD installation is now on a RAID array, and it seems that although each of the 2 identical IBM ATA-100 drives in the array is "tag-capable," the array is not; and (2) Leaving hw.ata.tags="1" in /boot/loader.conf appeared to cause some momentary problem messages on bootup once or twice - never enough to stop the boot altogether, but enough to cause it to pause for a moment or two. Jud -- _______________________________________________ Download the free Opera browser at http://www.opera.com/ Powered by Outblaze To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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