qos settings cache show

Description​

The qos settings cache show shows the current caching-policies, class to which they belong, the number of workloads associated with each of the policies, and whether or not they are set to default. The following external-cache policies are available:

• none - Does not cache any user data or metadata blocks.
• auto - Read caches all metadata and randomly read user data blocks, and write caches all randomly overwritten user data blocks.
• all - Read caches all data blocks read and written. It does not do any write caching.
• all-random_write - Read caches all data blocks read and written. It also write caches randomly overwritten user data blocks.
• all_read - Read caches all metadata, randomly read, and sequentially read user data blocks.
• all_read-random_write - Read caches all metadata, randomly read, and sequentially read user data blocks. It also write caches randomly overwritten user data blocks.
• all_read_random_write - Read caches all metadata, randomly read, sequentially read and randomly written user data.
• all_read_random_write-random_write - Read caches all metadata, randomly read, sequentially read, and randomly written user data blocks. It also write caches randomly overwritten user data blocks.
• meta - Read caches only metadata blocks.
• meta-random_write - Read caches all metadata and write caches randomly overwritten user data blocks.
• noread-random_write - Write caches all randomly overwritten user data blocks. It does not do any read caching.
• random_read - Read caches all metadata and randomly read user data blocks.
• random_read_write - Read caches all metadata, randomly read and randomly written user data blocks.
• random_read_write-random_write - Read caches all metadata, randomly read, and randomly written user data blocks. It also write caches randomly overwritten user data blocks.

Parameters​

{ [-fields <fieldname>, ...]

The input to this parameter is one of the following: {cache-setting|class|default|num-workloads}. If you use this parameter, the command displays information related to the specified input field.

| [-instance ]}

If you use this parameter, the command displays information about the caching-policies in a list format.

[-cache-setting <text>] - Cache Policy Name

The input to this parameter is any one of the above listed caching-policies. If you use this parameter, the command displays information corresponding to the specified caching-policy.

[-class <QoS Configuration Class>] - Cache Policy Class

The input to this parameter is one of the following: {undefined|preset|user-defined|system-defined|autovolume}. If you use this parameter, the command displays information corresponding to the specified policy-group class.

[-default {true|false}] - Is Default?

The input to this parameter is true and false. If you use this parameter, the command displays information corresponding to entries that have the specified default value.

[-num-workloads <integer>] - Number Of Workloads With This Policy

The input to this parameter is an integer. If you use this parameter, the command displays information about policy-groups matching the specified number of workloads.