Date: Thu, 4 Jul 2013 09:13:20 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: <sbruno@freebsd.org> Cc: freebsd-fs@freebsd.org Subject: Re: Dell R710 with PERC H310. GPT issues and hardware raid or ZFS? Message-ID: <201D836AD9A843D089DCAF0A09A707F9@multiplay.co.uk> References: <51C5B4EE.3010601@growveg.net> <81EDE2A7D67241DAB985C38662DA57DD@multiplay.co.uk> <51C5EAB0.7040009@growveg.net> <20130622191619.GA73246@icarus.home.lan> <12FB82C142E74924B27F4DBB642D0D1F@multiplay.co.uk> <1372904516.1427.4.camel@localhost>
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----- Original Message ----- From: "Sean Bruno" <sean_bruno@yahoo.com> > > Some mfi controllers actually have a JBOD option, if it does you'll > > be able to this controller if not watch out as using the RAID 0 option > will almost certainly cause you pain. > > > > mps as Jeremy has said is better option. > > I note that the H310 in a test R420 that I have does indeed have a JBOD > option. This presents a disk as /dev/mfisyspdX which is totally > befuddling. > > On our stable/9, we get crash and burns with kernel panics and data > corruption, but I haven't pursued it enough to be productive. I did > bump the machine to head and didn't see any difference. I've not used stable/9 myself but there are know issues with older mfi FW which causes TIMEOUTS which then results in panics on UFS. The fix is to upgrade your FW. In addition I've backed out the forced timeout on requests which was MFC'ed to stable/9 in r252554: http://svnweb.freebsd.org/base?view=revision&revision=252554 Regards Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.
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