good idea! thanks! sz_cuitao@xxxxxxx From: Eugen Block Date: 2020-04-06 17:44 To: ceph-users Subject: Re: Can I fix the devive name,when using image map? Hi, you can use the pool/image names to access your rbd image: ceph:~ # rbd showmapped id pool namespace image snap device 0 cinder image1 - /dev/rbd0 ceph:~ # ls -l /dev/rbd/cinder/image1 lrwxrwxrwx 1 root root 10 6. Apr 11:39 /dev/rbd/cinder/image1 -> ../../rbd0 I'm not aware of an option to change the device name. Regards, Eugen Zitat von sz_cuitao@xxxxxxx: > 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 > > > > > > sz_cuitao@xxxxxxx > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
 |