Date: Sun, 16 Oct 2011 00:45:50 -0400 From: Patrick Donnelly <batrick@batbytes.com> To: freebsd-fs@freebsd.org Subject: [ZFS] Using SSD with partitions Message-ID: <CACh33Fpz=uAp8h0Bjsi1Be=ob_94jXtN51mAHvGPkReY5MpTcg@mail.gmail.com>
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Hi list, I've got an array for home use where my boot drive (UFS) finally died. I've decided to upgrade to a SSD for a replacement but am looking to maybe simultaneously improving performance of my ZFS array. Naturally a FreeBSD install doesn't use much space so partitioning the drive to get maximum usage seems wise. I was thinking for a hypothetical 40GB drive: 20GB -- FreeBSD / partition 2GB -- ZFS ZIL 18GB -- ZFS Cache What I'm wondering is if this will be a bad idea. I know that SSDs are not designed to be written to *a lot*, which a ZIL will experience. Is this a bad idea? I'm hoping for experiences from people in similar scenarios. As I'm not an enterprise IT person who can't simply choose to just throw more mon-- I mean SSDs -- at the problem, I need to be efficient. :) [I'm thinking the cache drive partition might be pointless as I don't think I'd benefit that much from it.] Disclaimer: I've looked at a lot of guides, including the standard best practices guide, and none of it seemed helpful for my particular problem, especially given that I'm using FreeBSD. Thanks for any advice, -- - Patrick Donnelly
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