Date: Sun, 21 May 2000 22:11:54 +0200 (CEST) From: =?ISO-8859-1?Q?G=E9rard_Roudier?= <groudier@club-internet.fr> To: David Kelly <dkelly@hiwaay.net> Cc: Kenneth W Cochran <kwc@world.std.com>, freebsd-scsi@FreeBSD.ORG Subject: Re: SCSI 2x-4x slower than IDE? Message-ID: <Pine.LNX.4.10.10005212200001.528-100000@linux.local> In-Reply-To: <200005211721.MAA66868@nospam.hiwaay.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, 21 May 2000, David Kelly wrote: > Kenneth W Cochran writes: > > Hello -scsi, > >=20 > > (Yes, the old SCSI vs IDE flamewar, but I'd like to avoid that, > > thank you... :) > [...] > > 1. What's going on "here" in M$/Win9x? >=20 > I think your Win9x friend should look into the caching mode page=20 > settings on his new IBM drive. New IBM drives that I've seen have=20 > shipped with caching disabled. Its not fair to compare unless the=20 > caching is the same on all. Given the differences in elapsed time that has been reported: 4 min for old IDE 8 min for old SCSI > 15min for new SCSI I am not sure that write behind caching by the drive is the issue. Btw, an O/S is also supposed to cache disk data and sort requests. =20 > > 2. What does this imply (or not imply) for FreeBSD? >=20 > It means to accurately apply it to FreeBSD you have to try it. And I bet that either differences would be just reversed, or issue,=20 if any, would be quickly fixed. G=E9rard. 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?Pine.LNX.4.10.10005212200001.528-100000>