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RE: what i need is a little attention-RE [linux-lvm] SoftRaid and LVM Jean-Eric Cuendet



Hi,
I'll give you my setup.
I have a 5 36Gb SCSI disks machine which do MD+LVM+ext2 on them
Each disk is splitted in 4 (~9Gb each partition) and then grouped 5 by 5
to form 4 MD (md5, md6, md7, md8) each ~36Gb in RAID5.
Then these 4 MDs are added in a VG and LVs are created for each need
(CVS, HOMES, FILES, ...). 
The machine is a PIII 733 with 256Mb RAM and has RH7.1 installed
I use MD 0.90.0, LVM 1.0.1rc1 and e2fsprogs 1.23. I have NO reiserfs nor
XFS nor JFS.

All that works fine for me with little problems since upgrade to
LVM-0.9.1-beta7

Each partition on the physical disk is marked as fd (Linux RAID
autodectect) then pvcreate is made on /dev/md[5678] . There is no need
to put either "Linux Native (83)" nor "Linux LVM (8e)" on the /dev/md1
or something like that. Just the fd on physical partitions will do the
trick.

Hope this helps.
-jec

> -----Original Message-----
> From: svetljo [mailto:galia st-peter stw uni-erlangen de] 
> Sent: mardi, 4. septembre 2001 19:44
> To: bluca comedia it; linux-lvm sistina com
> Subject: Re: what i need is a little attention-RE [linux-lvm] 
> SoftRaid and LVM Jean-Eric Cuendet
> 
> 
> well the problem currently is that i can not format the LV 
> with ext2 or 
> reiserfs
> in the beginning i could access the LV only with IBM's JFS and i had 
> troubles mounting it with XFS
> but i've upgraded to 2.4.10-pre2-xfs-cvs and now i have no 
> problem with XFS but i still have the problem with ext2 and 
> reiserfs which i think is not 
> normal
> and i'm wondering whether it's safe to use the LV
> 
> i used e2fsprogs-1.23 and 1.24 and reiserfs progs  3.x.0j
> but when i try to format the LV mke2fs and mkreiserfs segfaults
> 
> and i can format normal partitions and software raid with mke2fs and 
> mkreiserfs
> 
> 
> the VG :
> 
> /dev/hdh10
> /dev/md6  software linear RAID
> /dev/md7 software linear RAID
> 
> the LV's are striped over the 3 PV's
> 
> Luca Berra wrote:
> 
> >On Tue, Sep 04, 2001 at 07:08:10PM +0200, svetljo wrote:
> >
> >>if smbd take a look at all meseages with sender svetljo and with 
> >>subject
> >>releated to PB's with LVM on software RAID
> >> i think he'll get the idea what is all about
> >>
> >OK i am using lvm over softraid
> >can you please do a recap.
> >
> >L.
> >
> 
> 
> 
> 
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> read the 
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> http://www.sistina.com/lvm/Pages/howto.html
> 



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