Date: Thu, 6 Sep 2012 19:41:07 -0400 From: Andy Young <ayoung@mosaicarchive.com> To: freebsd-fs@freebsd.org Subject: Question on ZFS and redundancy Message-ID: <CAHMRaQf5HcpjMcr8wHG7dtQige7-o3bYXU0qeErSNui80F=fAQ@mail.gmail.com>
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In the past I've used multiple RAID6 volumes under Linux. The thing I disliked about this was that my code had to worry about splitting my data across the volumes. I had to worry about which ones were full and manage all of that complexity myself. However, the volumes were independent. If I lost three drives in a volume then yes I would lose the volume but it wouldn't affect any other volumes. Now with ZFS and raidz2 I love the fact that I can use a single pool to spread data across multiple vdevs. However, the vdevs aren't independent anymore right? Because ZFS stripes data across the vdevs, if I lose three drives in a single vdev, doesn't this put the entire pool at risk? Andy
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