On 24/04/2024 21:30, Roberto Greiner wrote:
Em 24/04/2024 04:30, Radosław Korzeniewski escreveu:
Hello,
wt., 23 kwi 2024 o 13:33 Roberto Greiner <mrgrei...@gmail.com> napisał(a):
Em 23/04/2024 04:34, Radosław Korzeniewski escreveu:
Hello,
śr., 17 kwi 2024 o 14:01 Roberto Greiner <mrgrei...@gmail.com>
napisał(a):
The error is at the end of the page, where it says that you
can see how
much space is being used using 'df -h', but the problem is
that df can't
actually see the space gain from dedup, it shows how much
would be used
without dedup.
This command (df -h) shows how much allocated and free space is
available on the filesystem. So when you have a dedup ratio 20:1,
and you wrote 20TB, then your df command shows 1TB allocated.
But that is the exact problem I had. df did NOT show 1TB
allocated. It indicated 20TB allocated (yes, in ZFS).
I have not used ZFS Dedup for a long time (I'm a ZFS user from the
first beta in Solaris), so I'm curious - if your zpool is 2TB in size
and you have a 20:1 dedup ratio with 20TB saved and 1TB allocated then
what df shows for you?
Something like this?
Size: 2TB
Used: 20TB
Avail: 1TB
Use%: 2000%
No, the values are quite different. I wrote 20tb to stay with the
example previously given. My actual numbers are:
df: 2,9TB used
zpool list: 862GB used, 3.4x dedup level.
Actual partition size: 7.2TB
You use zpool list to examine filespace.
Cheers,
Gary B-)
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