CRUSH map 怎么用命令去定义？

[iwalke]

大佬，CRUSH map 怎么直接用命令去定义？通过 ceph osd getcrushmap -o crushmap.bin，去编辑怕容易出问题

https://github.com/blueboay/ceph-study/blob/master/Ceph%E5%AD%98%E5%82%A8%EF%BC%88%E4%B8%89%EF%BC%89Pool%E4%B8%8EPG.md#%E8%87%AA%E5%AE%9A%E4%B9%89crush%E8%BF%90%E8%A1%8C%E5%9B%BE

比如安装完是这样的

[root@ceph01 ~]# ceph osd tree
ID  CLASS  WEIGHT   TYPE NAME        STATUS  REWEIGHT  PRI-AFF
-1         0.43918  root default                              
-3         0.14639      host ceph01                           
 0    hdd  0.04880          osd.0        up   1.00000  1.00000
 1    hdd  0.04880          osd.1        up   1.00000  1.00000
 2    hdd  0.04880          osd.2        up   1.00000  1.00000
-5         0.14639      host ceph02                           
 3    hdd  0.04880          osd.3        up   1.00000  1.00000
 4    hdd  0.04880          osd.4        up   1.00000  1.00000
 5    hdd  0.04880          osd.5        up   1.00000  1.00000
-7         0.14639      host ceph03                           
 6    hdd  0.04880          osd.6        up   1.00000  1.00000
 7    hdd  0.04880          osd.7        up   1.00000  1.00000
 8    hdd  0.04880          osd.8        up   1.00000  1.00000

osd0, osd3, osd6 创建一个存储池 pool1，故障域是 osd，副本是2

osd1, osd2, osd4, osd5, osd7, osd8 创建一个存储池 pool2，故障域是 host，副本是 3