Re: [linux-lvm] I've tried to get some support on this list about lvm

[Marian Csontos <mcsontos@redhat.com>]

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@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@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@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@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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>