[linux-lvm] I've tried to get some support on this list about lvm
Marian Csontos
mcsontos at redhat.com
Tue Sep 22 08:34:19 UTC 2009
Hugh wrote:
> On Tuesday 15 September 2009 21:49:39 Alasdair G Kergon wrote:
>
>> On Tue, Sep 15, 2009 at 09:37:44PM +1000, Hugh wrote:
>>
>>> Sep 10 20:55:46 fc11-64 kernel: device-mapper: table: device 8:18
>>> too small for target
>>>
>> There's your answer: You're trying to make it bigger than the underlying
>> device.
>>
>> Use pvs -v to check device sizes for discrepancies.
>> (--units s if necessary).
>>
>> Alasdair
>>
>
> Thanks, now I can see what the problem is:
>
> [root at fc11-64 ~]# pvs -v
> Scanning for physical volume names
> PV VG Fmt Attr PSize PFree DevSize PV UUID
> /dev/sda2 vg_fc1164 lvm2 a- 99.80G 0 99.80G qunnek-OG2y-hp2j-31J8-
> J3HT-0Aye-3w2rMN
> /dev/sdb2 VolGroup00 lvm2 a- 67.91G 20.00G 47.93G eCuGyH-jV7L-Tgdg-JyYW-
> sWK1-ehZY-OLw0WS
>
>
> How is this possible?
> What's the solution?
> How can I grow the DevSize?
> Probably a better question to ask is, how can I add the unused space into the
> device and then the volume?
>
>
Hi Hugh,
taking into account this:
> Maybe I should provide some more background.
> I have a vmware virtual disk and I have grown the disk size by 20G.
>
and...
> [root at fc11-64 ~]# parted -l
> Model: VMware, VMware Virtual S (scsi)
> Disk /dev/sda: 107GB
> Sector size (logical/physical): 512B/512B
> Partition Table: msdos
>
> Number Start End Size Type File system Flags
> 1 32.3kB 210MB 210MB primary ext3 boot
> 2 210MB 107GB 107GB primary lvm
>
>
> Model: VMware, VMware Virtual S (scsi)
> Disk /dev/sdb: 73.0GB
> Sector size (logical/physical): 512B/512B
> Partition Table: msdos
>
>
...this:
> Number Start End Size Type File system Flags
> 1 32.3kB 74.0MB 74.0MB primary ext3 boot
> 2 74.0MB 51.5GB 51.5GB primary lvm
>
>
you have to resize sdb2 partition first.
Though I do not understand why it is possible to resize PV beyond end of
device (doing that should display a warning message, but command will
pass), this is definitely not a LVM bug.
HTH,
-- Marian
> Model: Linux device-mapper (dm)
> Disk /dev/mapper/VolGroup00-LogVol00: 49.3GB
> Sector size (logical/physical): 512B/512B
> Partition Table: loop
>
> Number Start End Size File system Flags
> 1 0.00B 49.3GB 49.3GB ext3
>
>
> Model: Linux device-mapper (dm)
> Disk /dev/mapper/VolGroup00-LogVol01: 2114MB
> Sector size (logical/physical): 512B/512B
> Partition Table: loop
>
> Number Start End Size File system Flags
> 1 0.00B 2114MB 2114MB linux-swap
>
>
> Model: Linux device-mapper (dm)
> Disk /dev/mapper/vg_fc1164-lv_swap: 4194MB
> Sector size (logical/physical): 512B/512B
> Partition Table: loop
>
> Number Start End Size File system Flags
> 1 0.00B 4194MB 4194MB linux-swap
>
>
> Model: Linux device-mapper (dm)
> Disk /dev/mapper/vg_fc1164-lv_root: 103GB
> Sector size (logical/physical): 512B/512B
> Partition Table: loop
>
> Number Start End Size File system Flags
> 1 0.00B 103GB 103GB ext3
>
>
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> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>
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