There are SASes & SSDs in my nodes at the same time.
Now i want divide them into 2 groups, one composed of SASes and one only contained SSDs.
When i configure CRUSH rulesets, segment below:
# buckets
host robert-a {
id -2 # do not change unnecessarily
# weight 1.640
alg straw
hash 0 # rjenkins1
item osd.0 weight 0.250 #SAS
item osd.1 weight 0.250 #SAS
item osd.2 weight 0.250 #SSD
item osd.3 weight 0.250 #SSD
}
So, i am not sure must host bucket name be the same with hostname.
Or host bucket name does no matter?
Best regards,
Xiucai
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