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Re: [PATCH] pg_upgrade: support for btrfs copy-on-write clones - Mailing list pgsql-hackers

From Andrew Dunstan
Subject Re: [PATCH] pg_upgrade: support for btrfs copy-on-write clones
Date
Msg-id 524C2B32.6020602@dunslane.net
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In response to [PATCH] pg_upgrade: support for btrfs copy-on-write clones  (Oskari Saarenmaa <os@ohmu.fi>)
Responses Re: [PATCH] pg_upgrade: support for btrfs copy-on-write clones  (Oskari Saarenmaa <os@ohmu.fi>)
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On 10/01/2013 06:31 PM, Oskari Saarenmaa wrote:
> Add file cloning as an alternative data transfer method to pg_upgrade.
> Currently only btrfs is supported, but copy-on-write cloning is also
> available on at least ZFS.  Cloning must be requested explicitly and if
> it isn't supported by the operating system or filesystem a fatal error
> is thrown.
>

So, just curious, why isn't ZFS supported? It's what I am more 
interested in, at least.

cheers

andrew

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