MSA 2052 - data path to the disk is not redundant for 2 newly installed disks

[eadmin]

We have an MSA2052 in operation and installed 2 new HPE SSDs today, which are intended to serve as read-cache for Pool B. After inserting the SSDs, the two disks reported a warning. Apart from that, there are no other messages listed in the Event Viewer. We do not want to add them as read-cache to Pool B without solving these warnings.

All the other disks from 1.1 - 1.24 are in healthy condition (only 1.19 is empty).

How can we determine what exactly the problem is with the two disks (via CLI?) without the need of opening the Array and checking the cables?

Message: "Degraded"

Components: Disk 1.21 + 1.20

Details: The data path to the disk is not redundant.

- On the B path, check that all SAS expansion cables are present, connected between the correct ports, and fully seated in their connectors with their latches locked. Replace any faulty cable.

[eadmin]

UPDATE:

This problem only appears on the new SSDs I purchased. I removed the SSD from 1.20 slot and inserted a HP HDD drive and that worked without any warnings.

[ArunKKR]

Hi,

Have you tried reinserting the SSD disk after the alert got cleared with HP HDD?  If the SSD disk is from HPE and compatible with MSA, you could try restarting the storage controller B during a period of low IOs to check whether it clears the alert. The connectivity to the disks would be through controller and hard drive back plane in the enclosure. No physical cabling would be involved.

[ArunKKR]

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