One Comment on “what is the default unit of the parameter length?”

1. cuker says:

   March 7, 2016 at 4:20 pm

   C.

   from the vxinfo man page:

   A number can be followed by a single-character suffix to indicate a
   multiplier for the number. A length number with no suffix character
   represents a count of standard disk sectors. The length of a standard
   disk sector can vary between systems; it is typically 512 bytes or 1024
   bytes. On systems where disks can have different sector sizes, one of
   the sector sizes is chosen as the “standard” size. Supported suffix
   characters are:

   b (Blocks) Multiply the length by 512 bytes.

   g (Gigabytes) Multiply the length by 1,073,741,824 (1024M)
   bytes.

   k (Kilobytes) Multiply the length by 1024 bytes.

   m (Megabytes) Multiply the length by 1,048,576 (1024K) bytes.

   s (Sectors) Multiply the length by the standard sector size.
   This is the default unit if no suffix is specified.

   t (Terabytes) Multiply the length by 1,099,511,627,776 (1024G)
   bytes.

   Numbers are represented internally as an integer number of sectors. As
   a result, if the standard disk sector size is larger than 512 bytes,
   numbers can be specified that need to be rounded to a sector. Rounding
   is always done to the next lowest, not the nearest, multiple of the
   sector size.

   
   
   
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