|
Hallo Bradley, additionally to your question, I'm interesting in the following: 5) can I change all 'type' Ids because adding a new type "host-slow" to
distinguish between OSD's with journal on the same HDD / separate SSD? E.g.
from
type 0 osd
type 1 host
type 2 rack
.. to
type 0 osd
type 1 host
type 2 host-slow
type 3 rack
.. 6)
After importing the crush map to the cluster, how can I start rebalancing all existing pools? (This is because all OSD now mixed up to other locations in the crush hierarchy). best regards Danny From:
ceph-users-bounces@xxxxxxxxxxxxxx [mailto:ceph-users-bounces@xxxxxxxxxxxxxx]
On Behalf Of McNamara, Bradley 1)
Do the ID’s of the bucket types need to be consecutive, or can I make them up as long as they are negative in value and unique? 2)
Is there any way that I can control the assignment of the bucket type ID’s if I were to update the crushmap on a running system using the CLI? 3)
Is there any harm in adding bucket types that are not currently used, but assigning them a weight of 0, so they aren’t used (a row defined, with racks, but the racks have no hosts
defined)? 4)
Can I have a bucket type with no “item” lines in it, or does each bucket type need at least on item declaration to be valid? |
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