[OpenIndiana-discuss] OI151a8 free space reporting

[jason matthews]

zfs list is reporting the number you are interested in.

zpool list essentially reports raw data which isn't particularly useful for capacity planning.


thanks,
j.

On Nov 13, 2013, at 4:02 PM, wim at vandenberge.us wrote:

> Hi,
> 
> I just rolled my first a8 server into testing. This is a server build for space,
> not speed (D2D2T scenario). It has 135 drives grouped into twelve RAIDZ3 groups
> of 11 drives each (plus three spares). With each drive having a usable capacity
> of 3.64TB (as reported by format) I would expect the usable capacity of the pool
> to be 12 x 8 x 3.64 = 349.44TB.
> 
> "Zfs list" reports pretty much that number. However, "zpool list" reports 480TB
> of free space (12 x 11 x 3.64). I may just never have noticed before on a7
> system but is it normal for zpool list to report the parity overhead as free
> space?
> 
> Wim
> 
> 
> 
> wim at alt-elp-ddt02 <mailto:root at alt-elp-ddt02> :~# zfs list
> NAME                     USED  AVAIL  REFER  MOUNTPOINT
> store01                  602K   343T  78.5K  /store01
> <rpool entries deleted>
> 
> 
> 
> wim at alt-elp-ddt02 <mailto:root at alt-elp-ddt02> :~# zpool list
> NAME      SIZE  ALLOC   FREE  EXPANDSZ    CAP  DEDUP  HEALTH  ALTROOT
> store01   480T   936K   480T         -     0%  1.00x  ONLINE  -
> <spool entries deleted>
> 
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