I wrote:
> I just upgraded a DEC 3000/400 which has several external 9 GB Seagate
> narrow SCSI disks to a Digital Personal Workstation 500au. I purchased
> a KZPAA fast SCSI (narrow) adapter card for the PWS500au. The disks
> are now behaving differently than when they were connected to the DEC 3000/400.
>
> Specifically, it appears that the disks are now spinning down after some
> period of inactivity. When the disk is again accessed (either locally
> on the PWS500au) or via NFS (this machine is NFS serving these disks to
> a local group), there is a pause of perhaps 10 seconds while the disk
> in question spins back up and is again available. I can hear the disk
> audibly spinning up and see the SCSI activity light is illuminated while
> this is happening.
>
> Is this behavior normal? I'm concerned that my SCSI cables may be too
> ...
Thanks to the many who quickly wrote with the solution to this "problem".
It turns out to be a feature of the Power Management system which the
new Personal Workstation series supports. Using dxpower or the sysconfig
command line, one can easily turn off or adjust disk spindown times.
Richard Eckman
NASA Langley Research Center
Hampton, VA
r.s.eckman_at_larc.nasa.gov
Received on Thu Jul 17 1997 - 02:51:43 NZST