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How to downgrade the pmcs flashcode on ZFSSA or other ways ?

edited Jun 3, 2019 2:23AM in Disk Storage ZFS Storage Appliance (MOSC) 5 commentsAnswered ✓

Hello, Exports.

After I replaced the fault 4x4 HBA (P/N: 7067091), the system had a panic with the following message. Refer to the attached message

The replaced HBA looked like to be installed latest firmware with ILA version 0x2134800. (Whose label tag was marked as Oracle P/N: 7067091 Rev 03.)

The original fault HBA was marked as Oracle P/N: 7067091 Rev 02.

I understand Rev03 / ILA version 0x2134800 was installed with OS8.7.x

The customer has OS8.2 firmware version and it had two 4x4 HBAs on one controller. they have some issue and it cannot be upgraded right now.

Q1. is it way to downgrade the flash code of 4x4 HBA to match from ILA version 0x2134800 to  ILA version 0x2080603 ?

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