Date: Mon, 12 Nov 2012 20:31:48 -0600 (CST) From: Bob Friesenhahn <bfriesen@simple.dallas.tx.us> To: Jason Keltz <jas@cse.yorku.ca> Cc: freebsd-fs@freebsd.org Subject: Re: RHEL to FreeBSD file server Message-ID: <alpine.GSO.2.01.1211122023240.19664@freddy.simplesystems.org> In-Reply-To: <50A130B7.4080604@cse.yorku.ca> References: <50A130B7.4080604@cse.yorku.ca>
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I am not able to attest to the type of configuration you are building. It all sounds good to me and it would surely work fine with Solaris, and so likely with FreeBSD as well. The only concern might be that 64 GB of memory is not so much according to today's hardware standards. New hardware is easily able to fit 128 GB, 256 GB, or even 512 GB. If the working set from all those clients is bigger than will fit in 64 GB of RAM, then your disks will be working much harder than they should be. With zfs, disks don't do any reading (reads will stall) while zfs is writing a transaction group. A proper server should be doing mostly writing because key data is already in cache. With so many clients, make sure that your intent log FLASH devices are mirrored and be prepared to replace them periodically. Bob -- Bob Friesenhahn bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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