Re: [linux-lvm] Need help with LVM on RedHat 7.1

[Medi Montaseri <medi@sc.prepass.com>]

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I appreciate your support on this...

What is your opinion on RAID-0 or Linear vs LVM.
In my application, I was simply trying to concatnate four 75Gig disks to create
one large disk for a backup server. I decided on RAID-0.

Carlo Marcelo Arenas Belon wrote:

> > Thanks, but I usually don't use Beta on a production box and
> > also RedHat 7.1 comes with a rather old version of lvm, I think 0.8final.
>
> sorry, i think i didn't make myself clear.
>
> RedHat 7.1 DOESN'T come with lvm enabled, because the lvm that is inside
> the kernel (not RedHat's but the one from Linus) and that they ship
> (2.4.2-2) is a broken one (0.9.1beta2)
>
> they didn't package the lvm userland utilities neither, i guess because of
> that.
>
> BUT, you can make it work easily if you download the kernel module and
> userland utilities and patch your kernel as explained on sistina's
> documentation.
>
> i just happened to make it work this way on a Red Hat 7.1 beta system
> using the 0.9.1beta6 tar from sistina, so i think this should work on a
> Red Hat 7.1 final system.
>
> > But the compile errors I'm getting are two basics to have passed QA of
> > any distributor...I just recompiled again with only LVM enabled and not RAID
> > and MD
> > and was getting syntactical errors (compile errors) leaving to belive that
> > some .h
> > file is missing.
>
> i guess just because noone even QA this kind of configuration ;)
>
> > I will try the 'make mrproprer', maybe that'll fix it...
>
> i hope so, as the kernel should compile, after all, RedHat need to compile
> it in order to package.
>
> but as i explained before, having an lvm module on your kernel is just one
> step on having an lvm working system, you are going to need the lvm
> userland utilities, and the ones that match your kernel module.
>
> that is why i sugested to better download a new kernel module/userland and
> patch your kernel before even compiling.
>
> also don't forget to change your /etc/init.d/halt script as explained on
> the sistina's documentation.
>
> and as for running "betas" on production, don't forget that the 0.9.1lvm
> is still on beta.
>
> best regards,
>
> Carlo
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@sistina.com
> http://lists.sistina.com/mailman/listinfo/linux-lvm

--
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Medi Montaseri, medi@prepass.com, 408-450-7114
Prepass Inc, IT/Operations, Software Eng.
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