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



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? It's lvm and maybe I could delete it and recreate 
it with fdisk but maybe it will break and everything will be lost.

Hugh


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