Disk Assignment
This part is potentially confusing so read the process first before continuing. The examples show adding a single expansion chassis. If adding multiple then more rows will appear.
The disk assignment section will look similar to the following. Use scroll bar on the right to see all information.
There are three types of labels:
- snfs_combo_ : used for High Availability StorNext cluster information. DO NOT MODIFY.
- snfs_data_ : data LUNs we will be modifying.
- snfs_meta_ : used for Metadata. DO NOT MODIFY
For the snfs_data LUNs, note the following:
- LUNs start ordering at 0 and then increase sequentially. The first two LUNs are for the Primary Chassis and ordered "0" & "1". Expansion Chassis will start ordering with the number “2”.
- Label format is Prefix = “snfs_data_” Identifier = “H4012_10zzzz_” Suffix = “LDyyyyy”
- Each LUN size is approximately 28.24TiB which is equivalent of six 8TB RAID6 drives.
- On far right in the Assigned To column, the gvfs_sysman4:sg1 is the stripe group which will be expanded.
Each chassis has 12 drives. Each LUN uses 6 drives so 2 LUNs per chassis.
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In the Disk Assignment section, navigate to the first snfs_data
LUN for adding to sg1.
Important: Only modify the unassigned snfs_data entries as outlined with green rectangle below.
- Double-click on the number 0 to the left of the first unassigned snfs_data LUN.
- Enter 2.
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Continue with the next LUN, sequentially increasing the numbers until you reach the
last snfs_data LUN.
For this example, we are adding 1 Expansion Chassis so screen will look as follows:
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Once complete, click the left checkbox of all the LUNs you just added. (Hold down CTRL
while clicking for multiple checkboxes)
- Example A: One Expansion --> 2 LUNS
- Example B: Three Expansions --> 6 LUNs
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Click the Assign box.
The snfs_data LUNs will now be associated with sg1 as shown on the right side of the viewing pane.
