错误:
Failure: (104) Can not open backing device.
Command 'drbdsetup attach 1 /dev/sdb1 /dev/sdb1 internal' terminated with exit code 10
遇到这个错误的时候,我们要看一下是不是已经挂在了/dev/sbd1
,如果是的话就执行:
umount /dev/sdb1
就可以了.
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