Date: Tue, 09 Sep 2014 12:22:54 +0100 From: Matthew Seaman <matthew@freebsd.org> To: freebsd-stable@freebsd.org Subject: 10.1-PRERELEASE -- mirrored swap ? Message-ID: <540EE30E.7060305@freebsd.org>
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I needed to install 10.1-PRERELEASE on some new hardware as we'd fluffed
the timing slightly and bought kit with an LSI SAS 3004 HBA, which 10.0
doesn't support.
Anyhow, I was gratified to see the option to 'Mirror Swap' in the
installer, as that's something we'd always want to do. However, on this
server, we installed onto a RAIDZ1 of 6 drives, resulting in:
root@log-1:~ # swapinfo
Device 1K-blocks Used Avail Capacity
/dev/mirror/swap 2097148 0 2097148 0%
root@log-1:~ # gmirror status
Name Status Components
mirror/swap COMPLETE da0p2 (ACTIVE)
da1p2 (ACTIVE)
da2p2 (ACTIVE)
da3p2 (ACTIVE)
da4p2 (ACTIVE)
da5p2 (ACTIVE)
Huh? A 6-way mirror seems pretty daft here. I'd have expected 3 swap
devices each comprised of a 2-way mirror.
Cheers,
Matthew
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