You and I apparently got very different interpretations out of Phil's post. I 
think what he was saying was that his total time was approx 200 minutes for the 
series he went through and that your time *might* work out similar.

I think he was implying that if 1 drive takes 50 minutes, then 10 drives would 
also take 50 minutes. This would be because the actions take place in parallel. 
{I.e., "the number of disks (1,2 or 3) did not seem to make much difference".)

I wish I'd taken good notes during times I've installed or migrated drives; 
it's not an everyday thing for me. But I recall that a number of actions did 
happen concurrently. Formatting seems like an obvious parallel activity.

But... YMMV and ICBW.

Tom Liotta

On Thu, 06 December 2001, wrote:

> This is the kind of information I was looking for.  Nervous about that data
> though.  I don't have 75 hours to spend.
> Anyone else have some samples?  I guess we should have kept our stop
> watches handy the last several times we added dasd.
>                     prumschlag@phdinc.c
>                     om                        To:
>                     Subject:     Re: How long to initialize disk?
> What do you mean by initialize?  Like FORMAT C:?
> This may not be relevant, but we recently moved some disks from one ASP to
> another on our single AS/400.  We actually did this is three passes.  Each
> pass
> took between 45 and 60 minutes.  The size of the disks (4 or 8 GB), the
> speed of
> the disks, or the number of disks (1,2 or 3) did not seem to make much
> difference.
> Another bit of worthless information:  We also added a single new disk
> drive (8
> GB, 10 k rpm).  I did not watch the clock when it we added it to the RAID
> set,
> but I'm guessing it was about 20 minutes.  Two days later we added it to an
> existing ASP.  That took another 30 minutes running under DST.

Tom Liotta
The PowerTech Group, Inc.
19426 68th Avenue South
Kent, WA 98032
Phone  253-872-7788
Fax  253-872-7904

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