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Query regarding /proc/partitions.

 
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Top Forums UNIX for Dummies Questions & Answers Query regarding /proc/partitions.
# 1  
Old 08-05-2010
Query regarding /proc/partitions.
hi whenever i fire cat /proc/partition i get following output.
I can make sense out of first 4 lines but what does dm-* suggests.
Please help.
Code:
# cat /proc/partitions
major minor  #blocks  name

   8     0  142577664 sda
   8     1     104391 sda1
   8     2   41945715 sda2
   8     3   10482412 sda3
 253     2   78150744 dm-2
 253     3   16777216 dm-3
 253     4   66060288 dm-4
 253     7   78156288 dm-7
 253    11   78150744 dm-11
 253    12   78150744 dm-12
 253    13   78150744 dm-13
 253    17   78150744 dm-17
 253    20   31457280 dm-20
 253    21   52449280 dm-21
 253    22   78172290 dm-22
 253    23  244198584 dm-23
 253    24   78125000 dm-24
 253    16   78150744 dm-16
 253    14   78150744 dm-14
 253    15     600218 dm-15
 253    18   78125000 dm-18
 253    19   78150744 dm-19
 253     5   78150744 dm-5
 253     6   78156288 dm-6
 253    10     635952 dm-10
 253     8  244198584 dm-8
 253     0   31457280 dm-0
 253     1   10485760 dm-1

# 2  
Old 08-05-2010
The dm-* devices are Device Mapper (probably LVM) devices. The major/minor numbers should match the "Block device" line in lvdisplay.
 
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