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



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

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