From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anders Widman Message-ID: <4117008562.20021125013930@tnonline.net> Subject: Re: [linux-lvm] Accessing LVM partitions from a rescue system In-Reply-To: <200211242207.33235.pantaleimon@home.no> References: <200211242207.33235.pantaleimon@home.no> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: Date: Sun Nov 24 18:40:02 2002 List-Id: Content-Type: text/plain; charset="us-ascii" To: Pantaleimon Looks like something is wrong with accessing all of your disks from the rescue floppy.. look at the pvscan: >From rescue environment: pvscan -- total: 20 [201.08 GB} Normal boot: pvscan -- total: 21 [211.14 GB] You need to sort out what disks/partitions that are not accessible from the rescue disks... You can also try ungrading LVM as 1.01 is quite old... - Anders > Hello > I am trying to mount my LVM partitions manually after booting into a > rescue system from floppies. I am not able to do this. During a normal > boot from my harddisk LVM works just fine. Notice the output from > pvscan and lvmdiskscan below. I ran those commands first from the > rescue system and then from a normally booted system. In the rescue > system /dev/hda16 is not there. I don't know if that is related to my > problem, though. > Here are the details of what I am doing: > Setup: > boot partition /dev/hda2 type Linux with Ext2 > root partition /dev/hda3 type Linux with Reiserfs > other partitions /dev/hda[6-16] type LVM > /hdb[6-15] type LVM > One volume group exists called "system" comprising all the above LVM partitions > LVM version is 1.0.1-rc2(30/08/2001) > Rescue boot procedure: > 1. Booting rescue system (SuSE 7.3 rescue disk). > 2. Loading LVM and Reiser modules from floppy. These are nor included on > the rescue disk. > 3. Mounting HD root-partition /dev/hda3 on /mnt to get access to the > LVM programs in what has now become /mnt/sbin. > 4. Linking /mnt/lib/* from /lib since the LVM programs need more > libraries than those included in rescue the system. > 5. Freeing space on /. I have noticed that my normal root-partition > /dev/hda3 holds a file called /etc/lvmtab.d/system ("system" is the > name of my volume group) which is 256K so I expect the > rescue-system RAM-disk will need at least that amount of free space. > 6. Running vgscan and vgchange -ay. Vgscan reports the creation of > /etc/lvmtab" and "/etc/lvmtab.d but doesn't report finding any > volume groups. Vgchange reports that there are no volume groups to > activate. Here is the output: > vgscan -- removing "/etc/lvmtab" and "/etc/lvmtab.d" > vgscan -- creating empty "/etc/lvmtab" and "/etc/lvmtab.d" > vgscan -- reading all physical volumes (this may take a while...) > vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created > vgscan -- WARNING: This program does not do a VGDA backup of your volume group > vgchange -- locking logical volume manager > vgchange -- finding all volume group(s) > vgchange -- no volume groups found > Here is the output of some commands run in the rescue system: > df -h > Filesystem Size Used Avail Capacity Mounted on > /dev/ram2 3.5M 2.8M 702K 80% / > /dev/hda3 200M 102M 99M 51% /mnt > mount > /dev/ram2 on / type ext2 (rw) > proc on /proc type proc (rw) > /dev/hda3 on /mnt type reiserfs (rw) > pvscan > pvscan -- reading all physical volumes (this may take a while...) > pvscan -- inactive PV "/dev/hda6" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hda7" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hda8" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hda9" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hda10" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hda11" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hda12" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hda13" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hda14" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hda15" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hdb6" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hdb7" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hdb8" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hdb9" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hdb10" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hdb11" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hdb12" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hdb13" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hdb14" is associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/hdb15" is associated to an unknown VG (run vgscan) > pvscan -- total: 20 [201.08 GB] / in use: 20 [201.08 GB] / in no VG: 0 [0] > lvmdiskscan > lvmdiskscan -- reading all disks / partitions (this may take a while...) > lvmdiskscan -- /dev/hda1 [ 494.16 MB] Primary DOS 16bit [0x06] > lvmdiskscan -- /dev/hda2 [ 23.53 MB] Primary LINUX native partition [0x83] > lvmdiskscan -- /dev/hda3 [ 203.95 MB] Primary LINUX native partition [0x83] > lvmdiskscan -- /dev/hda4 [ 111.08 GB] DOS extended partition [0x05] > lvmdiskscan -- /dev/hda5 [ 1004.03 MB] Extended LINUX swap partition [0x82] > lvmdiskscan -- /dev/hda6 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda7 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda8 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda9 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda10 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda11 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda12 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda13 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda14 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda15 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb1 [ 9.77 GB] Primary [0x0C] > lvmdiskscan -- /dev/hdb2 [ 102.02 GB] DOS extended partition [0x05] > lvmdiskscan -- /dev/hdb5 [ 1004.03 MB] Extended LINUX native partition [0x83] > lvmdiskscan -- /dev/hdb6 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb7 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb8 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb9 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb10 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb11 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb12 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb13 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb14 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb15 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- 2 disks > lvmdiskscan -- 0 whole disks > lvmdiskscan -- 0 loop devices > lvmdiskscan -- 0 multiple devices > lvmdiskscan -- 0 network block devices > lvmdiskscan -- 28 partitions > lvmdiskscan -- 20 LVM physical volume partitions > Here is the output of some commands run after a normal boot: > pvscan > pvscan -- reading all physical volumes (this may take a while...) > pvscan -- ACTIVE PV "/dev/hda6" of VG "system" [9.97 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hda7" of VG "system" [9.97 GB / 3.12 GB free] > pvscan -- ACTIVE PV "/dev/hda8" of VG "system" [9.97 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hda9" of VG "system" [9.97 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hda10" of VG "system" [9.97 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hda11" of VG "system" [9.97 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hda12" of VG "system" [9.97 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hda13" of VG "system" [9.97 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hda14" of VG "system" [9.97 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hda15" of VG "system" [9.97 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hda16" of VG "system" [10.00 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hdb6" of VG "system" [10.06 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hdb7" of VG "system" [10.06 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hdb8" of VG "system" [10.06 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hdb9" of VG "system" [10.06 GB / 6.56 GB free] > pvscan -- ACTIVE PV "/dev/hdb10" of VG "system" [10.06 GB / 10.06 GB free] > pvscan -- ACTIVE PV "/dev/hdb11" of VG "system" [10.06 GB / 10.06 GB free] > pvscan -- ACTIVE PV "/dev/hdb12" of VG "system" [10.06 GB / 10.06 GB free] > pvscan -- ACTIVE PV "/dev/hdb13" of VG "system" [10.06 GB / 10.06 GB free] > pvscan -- ACTIVE PV "/dev/hdb14" of VG "system" [10.06 GB / 10.06 GB free] > pvscan -- ACTIVE PV "/dev/hdb15" of VG "system" [10.06 GB / 10.06 GB free] > pvscan -- total: 21 [211.14 GB] / in use: 21 [211.14 GB] / in no VG: 0 [0] > lvmdiskscan > lvmdiskscan -- reading all disks / partitions (this may take a while...) > lvmdiskscan -- /dev/hda1 [ 494.16 MB] Primary DOS 16bit [0x06] > lvmdiskscan -- /dev/hda2 [ 23.53 MB] Primary LINUX native partition [0x83] > lvmdiskscan -- /dev/hda3 [ 203.95 MB] Primary LINUX native partition [0x83] > lvmdiskscan -- /dev/hda4 [ 111.08 GB] DOS extended partition [0x05] > lvmdiskscan -- /dev/hda5 [ 1004.03 MB] Extended LINUX swap partition [0x82] > lvmdiskscan -- /dev/hda6 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda7 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda8 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda9 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda10 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda11 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda12 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda13 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda14 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda15 [ 10.00 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hda16 [ 10.06 GB] USED LVM whole disk > lvmdiskscan -- /dev/hdb1 [ 9.77 GB] Primary [0x0C] > lvmdiskscan -- /dev/hdb2 [ 102.02 GB] DOS extended partition [0x05] > lvmdiskscan -- /dev/hdb5 [ 1004.03 MB] Extended LINUX native partition [0x83] > lvmdiskscan -- /dev/hdb6 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb7 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb8 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb9 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb10 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb11 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb12 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb13 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb14 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- /dev/hdb15 [ 10.10 GB] Extended LVM partition [0x8E] > lvmdiskscan -- 3 disks > lvmdiskscan -- 1 whole disk > lvmdiskscan -- 0 loop devices > lvmdiskscan -- 0 multiple devices > lvmdiskscan -- 0 network block devices > lvmdiskscan -- 28 partitions > lvmdiskscan -- 20 LVM physical volume partitions > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/