get Disk Name  from bellow text

hi,
as an example , I have bellow text in a file, please look at under
 Logical Drive: 13 , i made Status = Failed

So if its see Status=Failed, it will give the Disk name .( i was
thinking, if Status is failed then read next 4 lines , and get the
output from last line )


         Status: Failed   ----------- if status failed
         Array Accelerator: Enabled
         Unique Identifier: 600508B1001CFA9558F7E279175867E9
         Disk Name: /dev/cciss/c0d12   --------------------


Bellow the output from of the text file

      Logical Drive: 12
         Size: 1.8 TB
         Fault Tolerance: RAID 0
         Heads: 255
         Sectors Per Track: 32
         Cylinders: 65535
         Stripe Size: 256 KB
         Status: OK
         Array Accelerator: Enabled
         Unique Identifier: 600508B1001C697EB6CA50E02EFC3E4D
         Disk Name: /dev/cciss/c0d11
         Mount Points:
         Logical Drive Label: A0CD40E5PACCRID11411PT4FE83

      physicaldrive 1I:1:13
         Port: 1I
         Box: 1
         Bay: 13
         Status: OK
         Drive Type: Data Drive
         Interface Type: SATA
         Size: 2000.3 GB
         Firmware Revision: HPG2
         Serial Number: WMAY03818756
         Model: ATA     MB2000EAZNL
         SATA NCQ Capable: True
         SATA NCQ Enabled: True
         PHY Count: 1
         PHY Transfer Rate: 3.0GBPS

   Array: M
      Interface Type: SATA
      Unused Space: 0 MB
      Status: OK



      Logical Drive: 13
         Size: 1.8 TB
         Fault Tolerance: RAID 0
         Heads: 255
         Sectors Per Track: 32
         Cylinders: 65535
         Stripe Size: 256 KB
         Status: Failed
         Array Accelerator: Enabled
         Unique Identifier: 600508B1001CFA9558F7E279175867E9
         Disk Name: /dev/cciss/c0d12
         Mount Points: None
         Logical Drive Label: A0CD40E8PACCRID11411PT4A31D

      physicaldrive 1I:1:14
         Port: 1I
         Box: 1
         Bay: 14
         Status: OK
         Drive Type: Data Drive
         Interface Type: SATA
         Size: 2000.3 GB
         Firmware Revision: HPG2
         Serial Number: WMAY03697431
         Model: ATA     MB2000EAZNL
         SATA NCQ Capable: True
         SATA NCQ Enabled: True
         PHY Count: 1
         PHY Transfer Rate: 3.0GBPS


Can any one please help me with the logic

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