[pve-devel] [PATCH docs 3/3] pveceph: ec pool: add note about parameter usage on creation

Aaron Lauterer a.lauterer at proxmox.com
Tue May 3 13:58:09 CEST 2022


Some optional parameters will only be used for the replicated metadata
pool.

Signed-off-by: Aaron Lauterer <a.lauterer at proxmox.com>
---
 pveceph.adoc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pveceph.adoc b/pveceph.adoc
index dff44e0..abc749b 100644
--- a/pveceph.adoc
+++ b/pveceph.adoc
@@ -595,6 +595,12 @@ providing the '--add_storages 0' parameter.  When configuring the storage
 configuration manually, keep in mind that the 'data-pool' parameter needs to be
 set. Only then will the EC pool be used to store the data objects. For example:
 
+NOTE: The optional parameters '--size', '--min_size' and '--crush_rule' will be
+used for the replicated metadata pool, but not for the erasure coded data pool.
+If you need to change the 'min_size' on the data pool, you can do it later.
+The 'size' and 'crush_rule' parameters cannot be changed on erasure coded
+pools.
+
 [source,bash]
 ----
 pvesm add rbd <storage name> --pool <replicated pool> --data-pool <ec pool>
-- 
2.30.2





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