Well you're wrong at least about the man pages.  In mkraid it explains
the options --upgrade and --force.  I think you need both in order to
upgrade existing RAID arrays.  Presumably you would
create your /etc/raidtab to match the configuration of
your existing RAID partitions, run mkraid --upgrade --force, and
everything would magically be upgraded.  Unfortunately I can't test this
for you right now...

It's my impression that it would be preferred, if at all possible, to
recreate your array from scratch and restore the data from another
partition or tape or whatever you have available.  I don't know if the
persistent superblocks would get setup during an upgrade, or if you can
change stuff like the chunksize or not.  Depending on how you have your
old array setup it may be perferrable to recreate them...

I hope you don't consider this a flame and somewhat useful...

hth,

fwr

On Fri, 20 Aug 1999, Marc Mutz wrote:
> Hi out there!
> 
> To all of you that shout for raid-0.90 into kernel 2.2.12:
> 
> Would you please tell us how to upgrade old existing raid0/linear
> devices (smoothly, IP)?
> - The HOWTO that comes with the raidtools-package and the man pages say
> not a word about that,
> - Several posts of others asking exactly the same question were left
> unanswered or received only incompetent answers. (looked at the last 2
> months)
> - The proposed FAQ still seems to be missing.
> 
> Marc
> 
> PS: Don't flame me, _tell_ me...
> 
> -- 
> Marc Mutz <[EMAIL PROTECTED]>                    http://marc.mutz.com/
> University of Bielefeld, Dep. of Mathematics / Dep. of Physics
> 
> PGP-keyID's:   0xd46ce9ab (RSA), 0x7ae55b9e (DSS/DH)

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