Can I fix the devive name,when using image map?

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Hi:

I use image map to mount a ceph device to localhost,but I found that,the device name I can not control.
This is a problem,when it's name changed,the FS on it or the database using this device may get wrongs.
Can I control the device name?

For exapme:


[root@gate2 ~]# rbd showmapped
id pool     namespace image    snap device
0  testpool           test_img -    /dev/rbd0

Can I map the device like this,just directly give the deveice name?like this:

rbd map testpool/test_img  /dev/rbd0





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