[vcf-midatlantic] Replicating Boot Drive, VAX

[David Hoelzer]

I don’t maintain a separate boot drive per se, but I do use shadow sets throughout my cluster.  Even with their age, though, I’ve yet to have a drive in one of my Vaxen actually fail. (I’d better not say that too loudly!)

> On Nov 17, 2015, at 9:12 PM, william degnan via vcf-midatlantic <vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:
> 
> Reading up about VAX 4000 support.  I have a three drive 4000-200 in the
> BA430 enclosure.  It also has a tape drive and ethernet device
> 
> Question - Do you formerly MARCH and now VCFedgerationites who are also VAX
> users with similar systems maintain more than one bootable drive as a rule
> of thumb?  I am not detecting any issues with my primary drive but I don't
> want to take chances.
> 
> Just curious what kinds of support strategy ideas you may have.  I have the
> manuals and have been reading up on backups, etc.
> 
> I just got a new hard drive and I need to replace a bad drive, amd I was
> thinking now would be a good time to set as the 2nd bootable drive, before
> I put anything on it.  I thus could experiment with one drive knowing I
> have a fall-back that will boot.  I am also reading up about how the three
> drives worth together, it's not as simple as "three independent hard
> drives" as far as I can tell.  Interesting and complex file system.
> --
> Bill

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