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Re: kernel support, v0.36 v's v0.9

"Glenn McGrath" <Glenn.McGrath@jcu.edu.au> writes:

> The current boot floppies come with the standard raid multidisk support.
> The raidtools packages thats that "If you are creating new RAID arrays, the
> raidtools2 package and newer RAID drivers may be a better choice."
> One of the features of newer raid is that the kernel can autodetect raid
> partition on boot.
> I think raid is a really usefull but underutilised feature of linux. If we
> packaged
> debian boot with raidtools2 and raidv0.9 kernel then it would lower the
> "dificulty" barrier that stops many people using raid.

Do others agree?  I don't mind dropping boot-floppies compatability
with old raids.  The only downside is people trying to use
boot-floppies as a rescue disk for an older raid system, but I'm
willing to sacrifice that if there are significant benefits.

> I understand debian likes to aim at the lowest common denominator, but if an
> installation already has a raid setup there more likely to do an update from
> there existing system rather than use boot floppies.

Right, with the rescue scenario caveat listed above.

> The user level raid tools have to match the version of raid support in the
> kernel. so its hard to support both. I dont think there is any major size
> difference between old and new raid support

Assuming someone volunteers to work on it, I think we should move
ahead with an experimental implementation.  What changes would
raidtools2 support require?  Can we confirm it would fit?  

Are there things that dbootstrap should do to help RAID configuration?
Could someone knowledgable about RAID add RAID documentation?  I
really havn't worked with Linux RAID much at all (only Solaris stuff).

.....Adam Di Carlo....adam@onShore.com.....<URL:http://www.onShore.com/>

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