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pveceph: add pg_num for easier search

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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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Thomas Lamprecht 2018-11-29 12:43:33 +01:00
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pveceph.adoc
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@ -282,14 +282,14 @@ Creating Ceph Pools
[thumbnail="screenshot/gui-ceph-pools.png"]
A pool is a logical group for storing objects. It holds **P**lacement
**G**roups (PG), a collection of objects.
**G**roups (`PG`, `pg_num`), a collection of objects.
When no options are given, we set a
default of **128 PGs**, a **size of 3 replicas** and a **min_size of 2 replicas**
for serving objects in a degraded state.
When no options are given, we set a default of **128 PGs**, a **size of 3
replicas** and a **min_size of 2 replicas** for serving objects in a degraded
state.
NOTE: The default number of PGs works for 2-5 disks. Ceph throws a
"HEALTH_WARNING" if you have too few or too many PGs in your cluster.
'HEALTH_WARNING' if you have too few or too many PGs in your cluster.
It is advised to calculate the PG number depending on your setup, you can find
the formula and the PG calculator footnote:[PG calculator