On Sun, May 31, 2009 at 12:57 PM, Tim<t...@tcsac.net> wrote:
>
> On Sun, May 31, 2009 at 10:29 AM, Rodrigo E. De León Plicet
> <rdele...@gmail.com> wrote:
>>
>> Related to the attached file, I just want to understand why, if 'zpool
>> list' reports 191MB available for coolpool, 'df -h|grep cool' only
>> shows 159MB available for coolpool?
>
> That's not a bug, and the behavior isn't changing.  zpool list shows the
> size of the entire pool, including parity disks.  You cannot write user data
> to parity disks/devices.  I suppose you could complain that the zpool list
> command should account for user data as well as parity data being subtracted
> from the entire pool, bug regardless, you shouldn't be using zpool list to
> track your data usage as it doesn't "hide" parity space like the standard
> userland utilities.
>
> df shows the space available minus the parity device(s).

But, in this case, I'm using mirroring. Wouldn't the ZFS parity
overhead apply to raidz/raidz2 only? I confess I'm not 100% clear on
the concepts...

Thanks for your time.

Regards.
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