From owner-freebsd-questions Wed May 26 15:19:20 1999 Delivered-To: freebsd-questions@freebsd.org Received: from steffi.geodesic.com (steffi.geodesic.com [38.193.150.16]) by hub.freebsd.org (Postfix) with ESMTP id 015DA14DF7 for ; Wed, 26 May 1999 15:19:18 -0700 (PDT) (envelope-from pac@geodesic.com) Received: from geodesic.com (fsbsdnis2.geodesic.com [38.193.150.78]) by steffi.geodesic.com (8.9.3/8.9.3) with ESMTP id RAA24095 for ; Wed, 26 May 1999 17:19:17 -0500 (CDT) Message-ID: <374C7195.F6F8825F@geodesic.com> Date: Wed, 26 May 1999 17:11:33 -0500 From: Paul Coyne Reply-To: pac@geodesic.com Organization: Geodesic Systems, Inc. X-Mailer: Mozilla 4.5 [en] (X11; I; FreeBSD 2.2.8-STABLE i386) X-Accept-Language: en MIME-Version: 1.0 To: freebsd-questions@freebsd.org Subject: Adaptec U2W poor write performance on one disk Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Please reply directly.... Scenario: 6 x 18 GB drives Drive 0: /dev/da0s1a 49583 21089 24528 46% / /dev/da0s1f 4961725 694113 3870674 15% /usr /dev/da0s1e 1488607 7049 1362470 1% /var procfs 4 4 0 100% /proc /dev/da0s1g 10234862 208310 9207764 2% /mnt1 drive 1-5: One big parition each e.g.: /dev/da1s1e 17245631 19 15865962 0% /chicago/home1 - writes to any filesystem on disk0 are very fast, reads are fast. - writes to all other filesystems on disks 1-5 are very slow, reads are fast. - Breaking disks 1-5 into smaller partitions has no impact Any ideas? -- Paul To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message