Re: Is it possible to change the pg number after adding new osds?

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You can change the pg numbers on the fly with

 

ceph osd pool set {pool_name} pg_num {value}

ceph osd pool set {pool_name} pgp_num {value}

 

refrence: http://ceph.com/docs/master/rados/operations/pools/

 

From: ceph-users-bounces@xxxxxxxxxxxxxx [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of Da Chun Ng
Sent: Montag, 2. September 2013 04:49
To: ceph-users@xxxxxxxxxxxxxx
Subject: Is it possible to change the pg number after adding new osds?

 

According to the doc, the pg numbers should be enlarged for better read/write balance if the osd number is increased.

But seems the pg number cannot be changed on the fly. It's fixed when the pool is created. Am I right?

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