Re: "Invalid Media Format" error

From: Roy Omond (Roy.Omond_at_BlueBubble.UK.Com)
Date: 06/30/04


Date: Wed, 30 Jun 2004 14:05:47 +0100

John F wrote:

> Joe H. Gallagher <dtrwiz@ix.netcom.com> wrote:
>
> > [...snip...]
>
> : Have you considered the possibility that the disk may not be
> : formatted at 512 bytes per block. I recently got a batch of
> : ST15150N disks from eBay which were formatted at 520 bytes
> : per block. They gave fatal parity errors on INIT and MOUNT
> : on a microVAX 3100/90 until low level formatted (at 512).
> : Joe
>
> That hadn't occurred to me. Could you explain how to do it
> (either on Alpha or VAX VMS). The only relevant discussion
> I managed to google up was
> http://dbforums.com/showthread.php?t=443712&page=1&pp=15
> The original poster seems to have eventually used dd on an
> Intel/Linux PC with an Adaptec scsi card, after having failed
> on his Alpha. Thanks,

Assuming you want to format DKA300:, then:

        $ run sys$etc:rztools_alpha ! (obviously on Alpha :-)

        RZTools (Rel. 10/29/93)

        RZTools> dka300:/format

That's it.

Roy Omond
Blue Bubble Ltd.



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