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Go Back   Linux Archive > Redhat > Device-mapper Development

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Old 07-20-2011, 08:34 AM
Chao Yang
Default What is a /dev/dm-* file ?

Hi there,

I have questions about /dev/dm-* in my mind for days, it seems here is the right place for the answers.
What is a /dev/dm-* file?* it says "/dev/dm-0: block special" from file command.
Is there a limitation to the number of /dev/dm-* files ? I tried with RHEL6.1 GA, created 800 from dm-0 to dm-799 as maximum.


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