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On Wed, 2 Jan 2013 13:04:50 +0000 |
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Neil Bothwick <neil@××××××××××.uk> wrote: |
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> On Thu, 27 Dec 2012 02:18:00 +0200, Alan McKinnon wrote: |
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> |
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> > There is no more weird partitions from the days of DOS, no PV/VG/LV |
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> > to remember the details of. There is only storage and ZFS knows |
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> > what I want to happen with each "chunk" of it. A "chunk" (my term) |
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> > in this context is a directory and everything below it. |
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> > |
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> > ZFS doesn't have partitions and filesystems. It has volumes. A |
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> > volume is sort of a cross between a filesystem (you mount it and |
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> > can assign quotas to it) and a directory (you assign permissions |
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> > and ownerships to it). You can overcommit storage space and quotas |
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> > - you do not get "disk full" errors and three days of nightmares |
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> > while you figure out how to deal with this. the FS just tells you |
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> > it used more than the allocated space and keeps telling you till |
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> > you get it under the limit. |
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> |
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> I've been looking at zfsonlinux and it looks a lot simpler than the |
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> layers of RAID and LVM, but what about encryption. Can I encrypt |
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> directories within ZFS or do I have to use something like ecryptfs on |
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> top of it? |
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AFAIK, Oracle included encryption in ZFS v30 but this has not been |
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released as opensource. The last OSS version released was 28. |
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What this means to me is that devs could include disk-encryption but |
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they probably won't have a standard to code to, and that implies a |
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whole lotta YMMV. You'd have to use ecryptfs or friends for now. |
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-- |
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Alan McKinnon |
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alan.mckinnon@×××××.com |
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