Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 25 Jan 2013 12:10:44 +0000
From:      Laurence Gill <laurencesgill@googlemail.com>
To:        freebsd-fs@freebsd.org
Subject:   HAST performance overheads?
Message-ID:  <20130125121044.1afac72e@googlemail.com>

next in thread | raw e-mail | index | archive | help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=



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20130125121044.1afac72e>