Hi
It does not make sense to me then how compression increases capacity as the
pool seems to be showing a lot of free space compared to the file system ?
# zpool status
pool: zones
state: ONLINE
scan: scrub repaired 0 in 90h45m with 0 errors on Tue Nov 15 11:45:44 2016
config:
NAME STATE READ WRITE CKSUM
zones ONLINE 0 0 0
raidz2-0 ONLINE 0 0 0
c0t5002538C401EDD73d0 ONLINE 0 0 0
c0t5002538C401EDD78d0 ONLINE 0 0 0
c0t5002538C401EE065d0 ONLINE 0 0 0
c0t5002538C401EE066d0 ONLINE 0 0 0
c0t5002538C401EE06Dd0 ONLINE 0 0 0
c0t5002538C401EE06Ed0 ONLINE 0 0 0
c0t5002538C401EE06Fd0 ONLINE 0 0 0
c0t5002538C401EE072d0 ONLINE 0 0 0
c0t5002538C4027D5B4d0 ONLINE 0 0 0
c0t5002538C402BD9EAd0 ONLINE 0 0 0
c0t5002538C402BD9FAd0 ONLINE 0 0 0
c0t5002538C402BDACCd0 ONLINE 0 0 0
errors: No known data errors
On 16 November 2016 at 10:34, Ian Collins <[email protected]> wrote:
> On 11/16/16 09:24 PM, Len Weincier wrote:
>
> Hi
>
> We have a node with the following :
>
> # zpool list
> NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT
> zones 10,4T 4,07T 6,37T - 25% 39% 1.00x ONLINE -
>
> And :
>
> # zfs list | head
> NAME USED AVAIL REFER
> MOUNTPOINT
> zones 6,93T 1,44T 499K
> /zones
>
> compression is set to lz4 for the zones pool
>
> How do we interpret these numbers ?
>
>
> What is the pool configuration (zpool status output)?
>
> 1. Will zfs stop us when it gets to 100% even though there seems to be
> lots of space in the pool ?
>
>
> If zfs says it's at 100%, it is! zpool list includes "parity" devices in
> its numbers.
>
> 2. Is compression only to imprive I/O but not file system capacity ?
>
>
> Both.
>
> --
> Ian.
>
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