[linux-lvm] I've tried to get some support on this list about lvm
Marian Csontos
mcsontos at redhat.com
Tue Sep 22 16:13:38 UTC 2009
Hugh wrote:
> On Tuesday 22 September 2009 18:34:19 Marian Csontos wrote:
>
>> 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
>>>
>>>
>>> _______________________________________________
>>> 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/
>>
>>
>
> Thank Marian,
>
> Any idea how to resize sdb2?
Easy. Just search web for:
linux resize partition
Or check these direct links:
command line GNU parted: http://www.gnu.org/software/parted/index.shtml
GNOME gparted: http://gparted.sourceforge.net/
KDE qtparted: ...
> It's lvm and maybe I could delete it and recreate
> it with fdisk but maybe it will break and everything will be lost.
>
Marian
> Hugh
>
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> linux-lvm at redhat.com
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> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>
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