Date: Thu, 22 Dec 2005 10:32:22 -0600 From: Eric Anderson <anderson@centtech.com> To: Mark Bucciarelli <mark@gaiahost.coop> Cc: freebsd-geom@freebsd.org Subject: Re: gmirror: Any way to speed mirror build? Message-ID: <43AAD516.9020100@centtech.com> In-Reply-To: <20051222162821.GA2836@rabbit> References: <20051222162821.GA2836@rabbit>
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Mark Bucciarelli wrote: >I have to build three boxes with the same configuration (same kernel, >same disk size, RAID1 gmirror). > >Is there any way to build the mirrors more quickly? > >For example if I dump the file system on disk1 then newfs and restore >the dump to disk2 will adding disk2 to the mirror go faster? > >If not, is there anyway to make it faster? > > I believe these sysctl's will do the trick for you: kern.geom.mirror.syncs_per_sec: Number of synchronizations requests per second kern.geom.mirror.reqs_per_sync: Number of regular I/O requests per synchronization request Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Anything that works is better than anything that doesn't. ------------------------------------------------------------------------
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