Method used to extend LUN capacity of OceanStor T Series

You can extend LUN capacity of OceanStor T Series as follows:
1. When the capacity of a LUN cannot meet service requirements, you can extend the LUN capacity by adding capacity from other LUNs.
2. After a LUN is extended, its capacity is the total capacity of the primary LUN and all secondary LUNs. LUN extending operation can be performed online without stopping services on the extending primary LUN.

After a LUNs is deleted, the capacity of a newly created LUN is smaller than the total capacity of original LUNs because space is not continuous. You are advised to configure LUN extending for LUN expansion.
3. Go to the Creating LUN Extending Wizard dialog box.
In the navigation tree, select Assistant.
In the function pane, choose Basic Settings > Extend LUN.
The Creating LUN Extending Wizard dialog box is displayed.

Select the primary LUN of the extended LUN.
In the Assistant dialog box, click Next.
The Creating LUN Extending Wizard Step 3-1: Select Extending Primary LUN dialog box is displayed.

Select an ordinary LUN as the primary LUN of the extended LUN.
Select the secondary LUN of the extended LUN.
In the Creating LUN Extending Wizard Step 3-1: Select Extending Primary LUN dialog box, click Next.
The Creating LUN Extending Wizard Step 3-2: Select Extending Secondary LUN dialog box is displayed.

Select one LUN or multiple LUNs as the secondary LUN of the extended LUN.
Click Next.
The Creating LUN Extending Wizard Step 3-3: Summary dialog box is displayed, displaying the primary and secondary LUNs after expansion.

Click Finish to complete LUN expansion.
The Information dialog box is displayed.
Click OK.

4. For details about operating systems after LUN capacity expansion, go to .

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