> On Mar 26, 2024, at 8:57 AM, Bill Gunshannon via cctalk 
> <cctalk@classiccmp.org> wrote:
> 
> 
> 
> On 3/25/2024 9:51 PM, Henry Bent wrote:
>> On Mon, 25 Mar 2024 at 20:14, Bill Gunshannon via cctalk 
>> <cctalk@classiccmp.org <mailto:cctalk@classiccmp.org>> wrote:
>>    Oops.  I guess the fingers work as good as the memory.  Sorry
>>    about that.  I've got about 20 of them.  I know they haven't
>>    been used since they were taken out of the VAX Cluster I ran
>>    at the University.  Nothing I have used the SB boxes with since
>>    then would know what to do with 9GB of disk space.  :-)
>>    But, if needed I could probably test them on a PC I have with
>>    an Adaptec SCSI in it.  It's intended for Ersatz-11 but I expect
>>    does could use a disk that big.  Too bad there's no way to read
>>    them.  Might be some interesting stuff left behind by the VAX.
>> Why is there no way to read them?  If you have a PC with a SCSI card you can 
>> easily boot into the Linux or BSD distro of your choice and make a dd (or 
>> ddrescue) image of the entire drive, which could then be accessed by 
>> whatever means.
> 
> 
> These disks were part of a really large RAID array in a SAN connected to
> the VAX cluster.  There is no way of reconstructing it and so no way to
> extract usable information.
> 
> bill

Do you have just part of the RAID set, or enough disks to make a complete one?  
If the latter then it's a matter of reverse engineering the RAID layout, which 
is likely to be doable.

        paul

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