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Using the Tiered Storage Manager CLI 36

Table 3-5 Recommended/Maximum Values for Tiered Storage Manager Operations

Type of Operation Description Recommended

Value

Maximum

Value

Comment

Storage tier The number of storage tiers within the storage

domain

30 or less 100

Migration group The number of migration groups within the storage

domain

1,000 5,000

Volume The number of volumes within the storage domain Not applicable 16,384

The number of volumes within the migration group 64 or less 300

Migration task The number of unfinished tasks that can be

registered in Tiered Storage Manager

Not applicable 100

The total number of volumes (within the storage

domain) in the registered task

Not applicable 8192

The number of volumes where migration can be

performed concurrently

8 64

The number of tasks that can be canceled

concurrently

1 5

The number of volumes within the tasks that can be

canceled concurrently

64 or less 300

The number of task logs for finished migration tasks

that can be saved

1,000 5,000

Server execution

multiplexing

The number of users who can access the Tiered

Storage Manager server concurrently

3 or less 5

Volume filter condition The number of condition elements that can be

combined by using AND or OR in one filter condition

expression

Not applicable 30

The number of elements that can be concurrently

specified when a device number or array group is

used for searching (the enumeration number of

elements for ControllerDeviceNumber or

ArrayGroup)

Not applicable 100

If the specified value exceeds the maximum value, an error occurs.

3-4-2 Common Options (Username, Password, and Output)

The username, password, and output options are valid options for all commands. Table 3-6 describes these

options in detail.

As an alternative to specifying the server-location and the common options (username, password, and

output) for each command, the server location and common options can be omitted from the command line if

you include this information in the htsmcli.properties file of CLI. The precedence between values

specified on the command line and those specified in the properties file is as follows.

• First: the value specified on the command line

• Second: the value specified within the properties file

IMPORTANT: There are restrictions on characters that are usable in the htsmcli.properties properties file.

When specifying values in this file, such as parameter values, take care not to use invalid characters.

NOTE: Usable and printable characters are restricted to ASCII characters, including \u0020 - \u007E (which

are recognized as ASCII characters), when they are used for values of properties in the htsmcli.properties

properties file.

NOTE: Values specified in the command line take precedence over those specified in the properties file. For

details about the htsmcli.properties file, see

5 .

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