[Info-vax] Best way to get what I can off a failed VMS Disk?

[Chris Townley]

On 24/10/2020 16:49, Scott Dorsey wrote:
>> On Saturday, October 24, 2020 at 8:49:42 AM UTC-4, Chris Townley wrote:
>> I have a failing ODS-2 disk in my Alpha (HPE VMS 8.3)=20
>>
>> What is the best way to recover those files that are recoverable, with=20
>> the drive going into mount verify?=20
> 
> With modern disks, once you start seeing bad blocks, the problem has been
> going on for a long time and bad block replacement has been taking place
> inside the drive and you're only seeing bad blocks because the drive is
> so far gone that it can't do bad block replacement anymore.
> 
> Get a drive image as soon as possible.  You can do it on the Alpha, you
> can pull it off and put it on a PC with Clonezilla or with dd, although
> the best thing to do is to drop it into one of the offline disk duplicators.
> 
> Every minute you run the drive it's getting worse and worse... your goal
> is to get an image done as quickly as possible so as little as possible
> is lost.
> --scott
> 


I haven't powered it up since I first noticed the errors, and a copy 
caused mount verification.

No SCSI adapters in my PC, so will have to look at it under VMS!

Chris