Dear Sahana： Thank you for your reply. Are you mean if there several rules in CRUSH. User still need set rules for each pools not CRUSH. If so, the function of min_size and max_size are ？
Best wishes, Mika 2015-02-03 14:04 GMT+08:00 Sahana Lokeshappa <sahana.lokesha...@sandisk.com> : > Hi Mika, > > > > The below command will set ruleset to the pool: > > > > ceph osd pool set <poolname> crush_ruleset 1 > > > > For more info : http://ceph.com/docs/master/rados/operations/crush-map/ > > > > Thanks > > Sahana > > > > *From:* ceph-users [mailto:ceph-users-boun...@lists.ceph.com] *On Behalf > Of *Vickie ch > *Sent:* Tuesday, February 03, 2015 11:30 AM > *To:* ceph-users > *Subject:* [ceph-users] Question about CRUSH rule set parameter > "min_size" "max_size" > > > > Hi , > > CRUSH map have two parameter are "min_size" and "max_size". > > Explanation about min_size is "*If a pool makes fewer replicas than this > number, CRUSH will NOT select this rule*". > > The max_size is "*If a pool makes more replicas than this number, CRUSH > will NOT select this rule*" > > Default setting of pool replicate size is 1. > Created 2 rules that ruleset0 *「min_size = 3」*, ruleset1 *「min_size = 1」*and > applied. > Then created a new pool named "test" and assume pool "test" will apply > ruleset1. > > But found pool "test" apply ruleset0. > > Which part I missing？ > > Thanks a lot for any advice! > > Best wishes, > > Mika > > ------------------------------ > > PLEASE NOTE: The information contained in this electronic mail message is > intended only for the use of the designated recipient(s) named above. If > the reader of this message is not the intended recipient, you are hereby > notified that you have received this message in error and that any review, > dissemination, distribution, or copying of this message is strictly > prohibited. If you have received this communication in error, please notify > the sender by telephone or e-mail (as shown above) immediately and destroy > any and all copies of this message in your possession (whether hard copies > or electronically stored copies). > >
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