Creating storage policy for object compression

Use the following information to create a storage policy with the compression function enabled and to create a storage policy with the compression schedule defined.

To create a storage policy with the compression function enabled, use the --enable-compression option with the mmobj policy create command:
```
mmobj policy create CompressionTest --enable-compression --compression-schedule "MM:HH:dd:ww"
```
To create a storage policy with the compression function enabled and a compression schedule that is defined, use the --enable-compression and the --compression-schedule options with the mmobj policy create command:
```
mmobj policy create CompressionTest --enable-compression --compression-schedule "MM:HH:dd:ww"

where
MM = 0-59 minutes
HH = 0-23 hours
dd = 1-31 day of month
ww = 0-7 (0=Sun, 7=Sun) day of week
```
- Use an asterisk (*) for specifying every instance of a unit. For example, dd = * means that the job is scheduled to run every day.
- Comma-separated lists are allowed. For example, dd = 1,3,5 means that the job is scheduled to run on every 1st, 3rd, 5th of a month.
- If ww and dd both are specified, the union is used.
- Specifying a range by using a dash (-) is not supported.
- Empty values are allowed for dd and ww. If empty, dd and or ww are not considered.
- Empty values for mm and hh are treated as *.
In the following example, the compression job is scheduled to run at 23.50 every day:
```
mmobj policy create CompressionTest --enable-compression --compression-schedule "50:23:*:*"
```
Every object that is stored by using a storage policy that is enabled is compressed according to the specified schedule. You do not need to decompress an object in advance of a get request or any other object request. IBM Storage Scale automatically returns the decompressed object.
Note:
- The download performance of objects in a compressed container is reduced compared to the download performance of objects in a non-compressed container.
- The compression function enables the file system compression over the object file set. The same compression functions and restrictions apply to object compression and file compression.