On 3/24/06, Greggs, Dana <c-dgreggs AT state.pa DOT us> wrote:
>
> When a tape is loaded into the drive, execute the following command ("mt
> -f" followed by your tape drive path) to see if hardware compression is
> enabled:





Dana: This is what i see, for some reason i see there is atleast 60GB worth
of space is unaccounted for, and the Volume=Full status. And if you guys
take a look "Compression Enabled" on my tape drives i believe.

1. Is this problem troublsehootable?
2. Does it matter the data i am backing up, i am backing "File Server"

mt -f \\.\tape0 stat


Media Capacity  = 204.90GByte
 Media Remaining = 148.50GByte
 Media Blocksize = 0
 Media Partition Count = 0
 Media is not write protected
 default blocksize = 32768
 maximum blocksize = 65536
 minimum blocksize = 2
 MaximumPartitionCount = 0
 Partition = 0
 Logical block position = 1
 EOTWarningZoneSize = 0
 Error Correction Enabled
 CompressionEnabled
 Features:
  Performs SHORT erase operation
  Performs LONG erase operation
  Performs IMMEDIATE erase operation
  Can report maximum tape capacity
  Can report amount of tape remaining
  Support FIXED block length mode
  Support VARIABLE block length mode
  Returns errors on write if tape is write - protected
  Performs Hardware Error Correction
  Supports hardware data compression
  Can provide current absolute device block address
  Can provide current logical block address and partition
  Can physically load and / or unload tape
  Support PREVENT / ALLOW Media Removal
  Performs IMMEDIATE rewind operations
  Allows Setting FIXED LENGTH or VARIABLE block sizes
  Performs IMMEDIATE Load / Unload operations
  Allows hardware data compression to be enabled / disabled
  Can position tape to an absolute physical block
  Performs IMMEDIATE absolute block positioning
  Can position tape to a logical block(and partition)
  Performs IMMEDIATE logical block positioning
  Can position tape to END of RECORDED DATA
  Can perform tape record positioning(backwards / forwards)
  Can perform tape file positioning(backwards / forwards)
  Can move backwards across records or filemarks or setmarks
  Can write FILEMARKS
  Performs IMMEDIATE tape mark write operations

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