Date: Thu, 13 Sep 2018 08:58:46 -0700 From: Lee Brown <leeb@ratnaling.org> To: freebsd-hardware@freebsd.org Subject: Dell SAS6IR is it worth the effort to convert to IT Message-ID: <CAFPNf5_9jn2Hjksz_Cus=3Ms74Fw5D5fLJRDgcZ_P9c5uMR=Vw@mail.gmail.com>
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Hi, I'm in the process of setting up an old PowerEdge R410 which has, I believe, the LSI Logic AS1068, using the mpt driver. I'm not interested in running it as a hardware RAID but rather a geli(authentication only)+gmirror+gjournal. It seems like flashing it requires booting into dos, which frankly I can't be bothered with. mptutil doesn't appear to have that capability. Are there any major downsides to running it in IR mode as two disks? There's no option to turn off the write-cache, but being battery backed the only danger I see with that is if the machine is powered with pending writes on the card and the battery gives out before power is restored. The use case is routing/snort IPS with minimal logging, so disk performance isn't critical. It will be the redundant router so mostly doing nothing except the little work OSPF needs. Thanks in advance for any comments -- lee
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