Method used to distinguish internal enclosure numbers from external enclosure numbers

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Method used to distinguish internal enclosure numbers from external enclosure numbers:
a. Description of internal enclosure numbers and external enclosure numbers
The disk enclosure ID is the internal ID of the enclosure where the disk resides.
The enclosure ID on the OSM page is the external ID. That is, the external ID is the ID displayed on the LED screen behind the disk enclosure. This ID is one of the digits from 0 to 3. Generally, the controller enclosure ID is 0, the ID of the first disk enclosure is 1, and the rest is deduced by analogy.
The internal ID of a disk enclosure is one of the values from 0 to 99 (for example, the internal ID of a disk enclosure is 2, and the external ID is 1). If the user has not changed the enclosure number, in most cases, internal IDs and external IDs of disk enclosures are the same.
b. Query IDs using commands.
Log in to the MML mode on the storage side and enter spu ui>dev loopmap.

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