On 02/04/2018 02:42 PM, Douglas Taylor via cctech wrote:
The alphaserver 1000a I have has a storageworks array.

The disk carriers are green in color, I see storageworks disks for sale on ebay that are blue. What is the difference? Are they interchangeable?

Is it possible (or even wise) to open one of the green carriers and change the disk out?

I believe that it is possible to open the carriers and put different drives in.

If memory serves (often it does not) the drives are single ended narrow SCSI. So, in theory, any SE narrow drive should work. I don't recall the Alpha using different block sizes, but that may be do to lack of exposure.

I don't know if there was a difference in the blue enclosures vs the green enclosures or not.

I do think that some of the external StorageWorks enclosures used High Voltage Differential to allow enclosures to be greater distances from the chassis they were connected to. - I think there was an interposer board to translate from High Voltage Differential (HVD) and Low Voltage Differential (LVD) which the drives used.

My exposure to DEC Alpha equipment was minimal and a LONG time ago. So take everything with a grain of salt. But do be mindful that DEC liked to mix and match things.

Grant. . . .
unix || die

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