pegaus r4 multiple drive failuree

  • Last Post 12 September 2020
andrea gallo posted this 24 July 2020

I have a Promise Pegasus R4 with four 4Tb drives
The four drives have worked but one month ago TWO drives (1 & 4) failed. I can't mount the drives at all so I now have no access to my backup.

Today tryng to do something to recover all  Promise Utiility was describing drives one and four as 'dead' , but now all four drives are lighting red

can i do something to recover?


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Ranjith kumar posted this 26 July 2020

Hi Andrea,

In order to assist you on this, we need to analyse the subsystem report, 

please save and attach it to web support case id, kindly visit to create a web support case id.

Steps to save the subsystem report:

- Open promise utility

- Click subsystem information icon on the top of the Promise Utility window

- Click the lock symbol on the left bottom corner of the screen to unlock the utility

- Click on save service report button to save the subsystem report and attach it to this case.


Below is the Promise KB link to know how to attach files to the web support case:



Promise Team


andrea gallo posted this 07 August 2020

Hi, this is the subsydtrm report.

Best regards
Andrea Gallo


Tino Nettling posted this 12 September 2020

ihave the same problem with my Promise1 R6, 2 drives are "dead" . 

I clicked the  Save Service Report several times , but i cannot tell were the file went to. 

Tino Nettling posted this 12 September 2020

intrestingly  the "dead"-called drives seem to be working normal when connecting to an sata-usb-adapter. A smart test doesn't find any issue with the drive. 

So is there maybe any chance to get them back working?