When multiple services are running on the same storage pool, why are its disk indicators blinking differently?

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The blinking status of a disk indicator is related to the service model, RAID level, and CKG size. For example:
You create a storage pool from a disk domain consisting of 20 disks and set its RAID policy to RAID 6 (12D+2P). In addition, you create LUNs from the storage pool and run all 4K services and hybrid services separately on the LUNs.
-For all 4K reads/writes, the whole file size is 4^4 x 100 x 4 KB, that is, 100 MB.
-For mixed reads/writes, the whole file size is 30,430 MB.
When the storage pool uses RAID 6 (12D+2P), the size of a CKG is 12 x 64 MB, that is, 768 MB. In this case, only one CKG is required for all 4K read/write I/Os and the indicators of only 14 disks are blinking in the service model. However, one CKG is insufficient for mixed reads/writes. For 30,430 MB of the mixed service file size, about five CKGs are required to meet storage requirements. The storage system will randomly select disks for data reads/writes and all disk indicators will be blinking.

Other related questions:
Indicators of the first three coffer disks in a storage system blinking
It is normal that indicators of the first three coffer disks are blinking. It indicates that data is being transferred without interrupting services.

Reason why only the first four disk indicators on the controller enclosure are blinking when the storage system is powered by BBUs
Reason why only the first four disk indicators on the controller enclosure are blinking when the storage system is powered by BBUs: FAQ-Why are only the first four disk indicators on the controller enclosure blinking when the storage system is powered by BBUs

Reason why the disk fault indicator is not on when the disk is faulty
The storage disk has the physical status and logical status. The physical status can be considered as the physical feature status of the disk. Therefore, you are advised to replace the disk when a physical fault occurs. The logical status is assigned by the software. In some cases, the disk can still be used when a logical fault occurs. When the I/O of the disk fails, the logic is faulty. If a disk is physically faulty, the logic is also faulty. The software turns on the fault indicator. Because the disk cannot be used, the disk fault indicator is on and prompts you to replace the disk. The logic of a disk is faulty, but the physical status may not be faulty. In some cases, the disk can still be used. Therefore, the disk fault indicator is not turned on.

Why is the RUN indicator red
The device temperature exceeds the temperature alarm threshold or the fan is faulty. The PoE-support switches have a PWR indicator. If the PWR indicator is red, power supply is faulty. NOTE: Run the display environment command to view the temperature alarm threshold and the current temperature. Run the display fan verbose command to view the fan operating status. Run the display device command to view the power supply status.

Why the Fan Module Indicator is blinking red ?
An alarm has been generated and needs to be handled. Possible causes of the alarm include errors of dual in-line package (DIP) switches, short-circuit, fan blades blocked, and fault of the fan module.

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