[Info-vax] Alpha SCSI disks won't mount on integrity

[Hein RMS van den Heuvel]

On Tuesday, December 21, 2021 at 9:28:14 PM UTC-5, Rich Jordan wrote:

> The disks will not mount normally on the integrity; it reports them as offline. I can mount them /foreign, and I can read them (dumping blocks) 
:
> I could swear I read about similar behavior in the past but haven't found reference to it 

It also rings a bell to me, but could find anything. I'm thinking of an issue related the the disk Geometry as reported by $ SHOW DEVICE/FULL
For example
*     Cluster size                   1 
*    Total blocks                1000    Sectors per track                     6
*    Total cylinders               34    Tracks per cylinder                   5

Best I know it only comes into play with redundant HOMEBLOCK placement and alternate homeblocks.
The clustersize plays also a role in those (see: VMS File System Internals 2.5.1.2)
Options for that are INIT/HOME=[ GEOMETRY | FIXED (default) | CONTIGUOUS ]

Can you INITIALIZE one on the Itanium, MOUNT and compare the geometry results?

Can you INITIALIZE one on the Itanium, MOUNT on the Alpha, copy data, dismount, mount on Itanium?

Not at all the same problem, but possibly in a similar vein to:
https://stromasys.atlassian.net/wiki/spaces/KBP/pages/24674337

hth,
Hein.