Date: Thu, 29 Mar 2001 21:05:11 -0800 From: Kris Kennaway <kris@obsecurity.org> To: Hal Weaver <hweaver@pinetel.com> Cc: Kris Kennaway <kris@obsecurity.org>, freebsd-questions@FreeBSD.ORG Subject: Re: Slow, noisey hard drive activity Message-ID: <20010329210511.A11145@xor.obsecurity.org> In-Reply-To: <3AC3F8FB.DD01EDFE@pinetel.com>; from hweaver@pinetel.com on Thu, Mar 29, 2001 at 07:09:47PM -0800 References: <3AC3A738.B73B0404@pinetel.com> <20010329132719.B7195@xor.obsecurity.org> <3AC3F8FB.DD01EDFE@pinetel.com>
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[-- Attachment #1 --] On Thu, Mar 29, 2001 at 07:09:47PM -0800, Hal Weaver wrote: > Kris Kennaway wrote: > > > > On Thu, Mar 29, 2001 at 01:20:56PM -0800, Hal Weaver wrote: > > > I've installed the following FreeBSD release on two different removable > > > hard drives used in the same laptop (IBM Thinkpad 760 ED): > > > -------------------------------------------------- > > > # uname -a > Kris, I made twp identical fbsd installations: > 1. on a 1.2G hard drive where fbsd uses the entire drive. Here hard > drive access is fast and quiet. > 2. on a 5G hard drive where fbsd uses only half the drive. Other OSs > share the rest of the drive. This is the problem installation for > fbsd. The other OSs both have quiet, fast disk access on this drive. > > Conclusion: softupdates status would be the same on both disks; enabled, > I think. So I don't think that this problem involves softupdates > status. Insufficient data to form that conclusion. Your drives are different, so have different characteristics, and the other OSes use different disk write strategies that FreeBSD as already explained. I might be wrong, but you need to test it to rule out my hypothesis ;-) Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE6xBQHWry0BWjoQKURAsNGAKDOYvOZXSQ2BeGW37HqQBHFPg2tpgCgqHrF M4DOkzS3Q0raSULEpwKFazI= =wta7 -----END PGP SIGNATURE-----
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