Meta Cache Distribution
Overview
This function displays the setting state of the automatic meta cache distribution and the location of the meta cache.
This function is displayed in a Unified Storage environment.
This function is not supported for the ETERNUS DX60 S5, the ETERNUS DX900 S5, the ETERNUS DX8100 S4/DX8900 S4, and the ETERNUS AF150 S3/AF250 S3/AF650 S3.
A unified upgrade is necessary for a storage system that will be used in a Unified Storage environment if it was previously used in a SAN environment. Refer to the [Register Unified Storage License] function and the [Apply Controller Firmware] function for details. This function is added in the category after the unified upgrade is complete.
Manually performing a meta cache distribution is recommended. Refer to the [Initialize Meta Cache Distribution] function for details.
The meta cache distribution can be initialized automatically. Refer to the [Enable Automatic Meta Cache Distribution] function for details.
Automatic meta cache distribution can be disabled. Refer to the [Disable Automatic Meta Cache Distribution] function for details.
User Privileges
Availability of Executions in the Default Role
Default role | Availability of executions |
---|---|
Monitor | |
Admin | |
StorageAdmin | |
AccountAdmin | |
SecurityAdmin | |
Maintainer |
Refer to User Roles and Policies for details on the policies and roles.
Display Contents
![](../images/ConnectivityMetaCacheDistribution.png)
Automatic Meta Cache Distribution
Item | Description |
---|---|
Automatic Meta Cache Distribution |
Whether the automatic meta cache distribution is enabled or not is displayed. If this item is "Enable", the meta cache distribution is checked for all registered NAS volumes in the storage system for the times described below. If "Current Location" and "Initial Location" do not match, a redistribution is performed.
Caution
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Meta Cache Distribution Information
Item | Description |
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Volume No. |
The NAS volume number is displayed. |
Volume Name |
The NAS volume name is displayed. |
Current Location |
The current meta cache distribution is displayed. When the distribution information cannot be obtained, a "-" (hyphen) is displayed. CM#0 CM#1 |
Initial Location |
The location of the meta cache when the NAS volume was created is displayed. When the distribution information cannot be obtained, a "-" (hyphen) is displayed. CM#0 CM#1 |