Re: kernel support, v0.36 v's v0.9
I have a very basic RAID1 howto up at
http://bma.debian.net/~balmeida/raid.html -- uses the newstyle raid arrays
On Wed, Nov 03, 1999 at 02:26:03AM -0500, Adam Di Carlo wrote:
> "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.
Having used both the old raid and hte new raid, I can definately say the new
raid beats the crap out of the old -- and the autodetection of partitions
RULES.
>
> > 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).
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