The storage granule of SSD has developed from SLC that stores one bit in one cell at first, to MLC of two bits, to TLC of three bits, and progressed to QLC that stores () bits in one cell.

Distributed storage uses system storage on the cloud and only provides object storage. If you need file storage, you need to purchase NAS equipment separately.

In a 30 TB storage resource pool, an enterprise created three 10 TB Thin LUN for the online transaction system, mail system and backup system. Since the company has just started, there is very little data on the online transaction system and mail system. The amount of old data that the backup system needs to import is about 20 TB, and the amount of data exceeds the size of the Thin LUN, causing write failure.

When the alarm indicator of the lithium battery module shows red (), it means that the module has a fault alarm and the lithium battery module needs to be replaced.

What technology is used to realize the conversion between Thick LUN and Thin LUN?