[Info-vax] no master member found for this virtual unit (again)

RLFitch rlfitch at gmail.com
Thu Feb 10 10:22:05 EST 2011


On Feb 9, 3:16 pm, "Robert A. Brooks" <r... at hp.com> wrote:
> On 2/9/2011 12:33 PM, RLFitch wrote:
>
> > While trying to mount a shadow set, I have encountered the problem:
> > 'no master member found for this virtual unit'.
>
> [...]
>
> > This is on OpenVMS 7.3-1.
>
> You should, at a minimum, upgrade to V7.3-2 with the latest UPDATE kit.
>
> Shadowing changed A LOT between V7.3-1 and V7.3-2 UPDATE 4 (I think)
> with the advent of Host-Based Minimerge.  Even if HBMM is not of
> interest, many other shadowing bugs were found/fixed during the HBMM
> work and it's a lot more stable.
>
> Please provide the output (as in cut/paste of the screen) of
>
> $ SHOW DEVICE/FULL DSAn:
$ SHOW DEVICE/FULL DSA2

Disk DSA2:, device type unknown, is online, file-oriented device,
shareable,
    available to cluster, error logging is enabled.

    Error count                    0    Operations
completed                  0
    Owner process                 ""    Owner UIC
[SYSTEM]
    Owner process ID        00000000    Dev Prot
S:RWPL,O:RWPL,G:R,W
    Reference count                0    Default buffer
size                 512
    Total blocks          2130706432    Sectors per
track                     0
    Total cylinders                0    Tracks per
cylinder                   0



>
> as well as the actual mount command with resulting error messages.
>


I changed the ALLOCLASS to 3 then rebooted, but change while mounting.

$   MOUNT /system DSA2:  /SHAD=( $3$DKB100:,$3$DKB200:) ds2
%MOUNT-F-NOMASTER, no master member found for this virtual unit
%MOUNT-F-INCVOLLABEL, incorrect volume label
%MOUNT-F-INCVOLLABEL, incorrect volume label



Ransom Fitch


>                     -- Rob




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