Good afternoon dear community.
We use CT-SC4020
Faced such a problem (Write cache is currently down on the Storage Center)
The datacenter recommends updating the firmware to the latest. But on the wavpavp site. there is no firmware section, how to be in this situation, how and where to get it?

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download from site Dell Storage Manager - 2020 R1.10 Release (Windows Client)
we can not enter the Storage Manager (writes that the old firmware)

Firmware version 7.1.20.28

work only DSM 2016 (