About This Manual This Product Manual describes how to setup, use, and maintain the Pegasus R6 and R4 unit. If you have any further question, kindly go to to create a support ticket with the complete subsystem report for further investigation. PROMISE Technology’s Pegasus R6 and R4 are direct attached storage (DAS) solutions for external storage targeted for small and medium business (SMB) users, small office/home office (SOHO) users, and AV professionals. If there is a spare drive in the unit, then the spare will immediately start the rebuilding process, if you do not have a spare drive then when you insert a unconfigured drive it will automatically start the rebuilding process.ĭuring the rebulding process, do not copy any data. The condition applies when you have a spare drive configured on the unit. The manual say that I can setup auto rebuild, give max priority to the operation rebuild (to make it more faster) and then replace the damaged external unit (in this case located on slot1).

If there are errors and if the drive is marked as OK, PFA we recommend you to remove the drive from the unit and replace it with a new drive to start the rebuilding process. Vendor Drive Family Model Capacity Firmware Transfer-Rate Form Factor SATA/SSD Shipped with 1 Toshiba DT01ACAxxx DT01ACA300 3TB MX6OABB0 6Gbs 3.5' SATA R4 2 Toshiba MD04ACAxxx MD04ACA400 4TB FP2A 6Gbs 3. Sometime, there will be errors, however the drive will be still under OK condition, in those situation read/write will be slower. Promise Technology, Inc, Pegasus3 Compatibility List 2 of 4 1. Yes, even with one drive failure, the user should be able to access the data without any issues. Promise Pegasus2 Lineup : M4: R4: R6: R8: Form Factor: 4 x 2.5' 4 x 3.5' 6 x 3.5' 8 x 3.

Its normal that when this disk mounted on slot1 is failing users got problem while reading data from RAID? In my experience a RAID 5 should works fine with read operations (a little more slow speed of course) when it has one disk failling. Different OEM manufacturers may have made unique modifications to the PROMISE hardware or software and they are responsible for supporting their products. Our technical support is limited to PROMISE branded retail products. Kindly find the inline answers for your questions.ġ. PROMISE Technology is committed to providing high quality service and support to its customers.

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