[linux-lvm] newbie lvm question
C'est Pierre
cestpierre at gmail.com
Wed Jun 21 15:48:12 UTC 2006
Hi,
The link is normal, I think.
What about an lvscan -v ? does it say anything wrong? are you running
these commands as root or any other similarly powerful user?
Pierre
On 6/21/06, Beginner <dermot at sciencephoto.co.uk> wrote:
> Hi,
>
> It still refuses.
>
> # vgmknodes -v volgrp0
> Using logical volume(s) on command line
> # vgchange -a y
> 1 logical volume(s) in volume group "volgrp0" now active
> # vgdisplay volgrp0
> --- Volume group ---
> VG Name volgrp0
> System ID
> Format lvm2
> Metadata Areas 1
> Metadata Sequence No 8
> VG Access read/write
> VG Status resizable
> MAX LV 0
> Cur LV 1
> Open LV 0
> Max PV 0
> Cur PV 1
> Act PV 1
> VG Size 12.48 GB
> PE Size 4.00 MB
> Total PE 3196
> Alloc PE / Size 1536 / 6.00 GB
> Free PE / Size 1660 / 6.48 GB
> VG UUID JK7RNE-DHM2-KNtf-Scua-jOs5-5x11-396xaY
>
> # mkfs -t ext2 /dev/mapper/volgrp0-volume1
> mke2fs 1.37 (21-Mar-2005)
> Could not stat /dev/mapper/volgrp0-volume1 --- Permission denied
>
> # lvmdiskscan
> /dev/hda1 [ 5.86 GB]
> /dev/hda2 [ 302.70 MB]
> /dev/hda3 [ 12.49 GB] LVM physical volume
> 0 disks
> 2 partitions
> 0 LVM physical volume whole disks
> 1 LVM physical volume
>
>
> I can't see what might be wrong. The file in /dev/volgrp0 is a symlink to /dev/mapper/volgrp0-
> volume1 and not /dev/mapper/volgrp0/volume1. Could that be the problem?
>
> Any other ideas?
> Dp.
>
>
>
> On 21 Jun 2006 at 16:03, C'est Pierre wrote:
>
> > Hi,
> >
> > try running vgmknodes and/or vgchange -a y volgrp0 and try again.
> > Alternatively try mkfs /dev/mapper/volume1
> >
> >
> > Cheers,
> > Pierre
> >
> > On 6/21/06, Beginner <dermot at sciencephoto.co.uk> wrote:
> > > Hi,
> > >
> > > Fedora Core release 4 (Stentz)
> > >
> > > I am trying to have a play around with LVM and have hit a snag when I came to formatting the LV.
> > >
> > > I have a fresh install on a single 18GB disk. The root (/dev/hda1) partition is 6.1G, and there is
> > > about 300MB swap. That leaves about 12GB spare on hda3. I created hda3 and set the partition
> > > type 8e. I created the PV:
> > >
> > > --- Physical volume ---
> > > PV Name /dev/hda3
> > > VG Name volgrp0
> > > PV Size 12.48 GB / not usable 0
> > > Allocatable yes
> > > PE Size (KByte) 4096
> > > Total PE 3196
> > > Free PE 1660
> > > Allocated PE 1536
> > > PV UUID ttjcMK-tNnb-59xe-qGtl-7oAn-XGMT-eBvRky
> > >
> > > Created a volume group with hda3 in:
> > >
> > > --- Volume group ---
> > > VG Name volgrp0
> > > System ID
> > > Format lvm2
> > > Metadata Areas 1
> > > Metadata Sequence No 6
> > > VG Access read/write
> > > VG Status resizable
> > > MAX LV 0
> > > Cur LV 1
> > > Open LV 0
> > > Max PV 0
> > > Cur PV 1
> > > Act PV 1
> > > VG Size 12.48 GB
> > > PE Size 4.00 MB
> > > Total PE 3196
> > > Alloc PE / Size 1536 / 6.00 GB
> > > Free PE / Size 1660 / 6.48 GB
> > > VG UUID JK7RNE-DHM2-KNtf-Scua-jOs5-5x11-396xaY
> > >
> > > and then a 6GB logical volume:
> > >
> > > LV Name /dev/volgrp0/volume1
> > > VG Name volgrp0
> > > LV UUID msRAz9-8A4e-dWGO-C9JG-c08Z-R1xG-iYUWoe
> > > LV Write Access read/write
> > > LV Status available
> > > # open 0
> > > LV Size 6.00 GB
> > > Current LE 1536
> > > Segments 1
> > > Allocation inherit
> > > Read ahead sectors 0
> > > Block device 253:0
> > >
> > > However I can not format '/dev/volgrp0/volume1', I get Permission denied.
> > >
> > > >mkfs -t ext3 /dev/volgrp0/volume1
> > > Could not stat /dev/volgrp0/volume1 --- Permission denied.
> > >
> > > I notice the VG status is resizable, should that be available? When I try and change it, it reports
> > > that it's already available.
> > >
> > > Finding all volume groups
> > > Finding volume group "volgrp0"
> > > 1 logical volume(s) in volume group "volgrp0" already active
> > > Found volume group "volgrp0"
> > > Activated logical volumes in volume group "volgrp0"
> > > 1 logical volume(s) in volume group "volgrp0" now active
> > >
> > > Am I missing something?
> > > TIA. Dp.
> > >
> > > Dermot Paikkos
> > >
> > > Network Administrator @ Science Photo Library
> > > Phone: 0207 432 1100
> > > Fax: 0207 286 8668
> > >
> > > _______________________________________________
> > > linux-lvm mailing list
> > > linux-lvm at redhat.com
> > > https://www.redhat.com/mailman/listinfo/linux-lvm
> > > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
> > >
> >
> > _______________________________________________
> > linux-lvm mailing list
> > linux-lvm at redhat.com
> > https://www.redhat.com/mailman/listinfo/linux-lvm
> > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>
>
> Dermot Paikkos
>
> Network Administrator @ Science Photo Library
> Phone: 0207 432 1100
> Fax: 0207 286 8668
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm at redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>
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