Bug#515075: Add: Real array size does not correspond to created FS size

[Artur Čuvašov]

Sorry, did not mention - with RAID5 I get and array of 600GB insted of 5TB.

mdadm -E /dev/sda1                                              
/dev/sda1:                                                                         
          Magic : a92b4efc                                                         
        Version : 00.90.00                                                         
           UUID : aaf63c71:be0878ae:bea75d72:2cd7b397 (local to host ftp3com)      
  Creation Time : Fri Feb 13 12:45:28 2009                                         
     Raid Level : raid5                                                            
  Used Dev Size : 976759808 (931.51 GiB 1000.20 GB)                                
     Array Size : 4883799040 (4657.55 GiB 5001.01 GB)                              
   Raid Devices : 6                                                                
  Total Devices : 6                                                                
Preferred Minor : 0                                                                

    Update Time : Fri Feb 13 12:45:28 2009
          State : active                  
 Active Devices : 6                       
Working Devices : 6                       
 Failed Devices : 0                       
  Spare Devices : 0                       
       Checksum : cb1be1a8 - correct      
         Events : 1                       

         Layout : left-symmetric
     Chunk Size : 1024K         

      Number   Major   Minor   RaidDevice State
this     0       8        1        0      active sync   /dev/sda1

   0     0       8        1        0      active sync   /dev/sda1
   1     1       8       17        1      active sync   /dev/sdb1
   2     2       8       33        2      active sync   /dev/sdc1
   3     3       8       49        3      active sync   /dev/sdd1
   4     4       8       65        4      active sync   /dev/sde1
   5     5       8       81        5      active sync   /dev/sdf1

df -h
/dev/md0              562G   33M  562G   1% /home/ftp/archive
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