Date: Wed, 18 Jun 2003 18:58:21 -0400 From: Chuck Swiger <cswiger@mac.com> To: freebsd-performance@freebsd.org Subject: Re: freebsd-performance Digest, Vol 4, Issue 7 Message-ID: <3EF0EE8D.8040806@mac.com> In-Reply-To: <3EF0EABC.E9D75759@lbl.gov> References: <20030614190033.7F0DE37B407@hub.freebsd.org> <20030615091254.M85497@bluhayz.org> <3EF0B507.2B1B6FDF@lbl.gov> <002101c335d9$f6664a20$812a40c1@PETEX31> <3EF0EABC.E9D75759@lbl.gov>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Jin Guojun [DSD] wrote: [ ... ] > But this seems to have different problem. At least write to RAID 1 requires > twice bus bandwidth for soft RAID 1. So, read should be faster than write. > But current read is 67 MB/s, write is 10 MB/s. Something is not working. What is the write performance to a bare hard drive? I'd expect your write performance to be somewhat higher, true, but your drives read at 33 MB/s, and write at 15 MB/s, your write performance is nominal. - -- - -Chuck -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQE+8O6WHNGCD1IY6vURAjZQAKCG+1TwOtFEHbn4wwU0gWuLLx7RAwCgoEWQ ORk/bmwaFAuncBZlffJ49F4= =6i0F -----END PGP SIGNATURE-----
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