[linux-lvm] Problem extending a LV
Heinz J. Mauelshagen
Mauelshagen at sistina.com
Tue May 29 21:10:02 UTC 2001
Carsten,
sorry, you can't extend a striped LV like this today :-(
Will be enhanced in a later release.
On Tue, May 29, 2001 at 11:33:54AM +0200, Carsten Balzer wrote:
> Hi
>
> I have a strange problem with kernel 2.2.19 an lvm-tools 0.9.1_beta7.
>
> I have a existing VG with 2 80GB disks containing one 160GB LV.
> I added a additional 80GB disk and wanted to extend the LV. But that
> didn't
> work.
>
> seven:/ # pvdisplay /dev/hdf1
> --- Physical volume ---
> PV Name /dev/hdf1
> VG Name NVolGroup
> PV Size 76.34 GB / NOT usable 3.22 MB [LVM: 306 KB]
> PV# 3
> PV Status available
> Allocatable yes
> Cur LV 0
> PE Size (KByte) 4096
> Total PE 19541
> Free PE 19541
> Allocated PE 0
> PV UUID o593Dd-Uo4Z-Hv1Z-yTI0-QtYy-p0Wq-a4XL3q
>
> seven:/ # vgdisplay
> --- Volume group ---
> VG Name NVolGroup
> VG Access read/write
> VG Status available/resizable
> VG # 0
> MAX LV 256
> Cur LV 1
> Open LV 1
> MAX LV Size 255.99 GB
> Max PV 256
> Cur PV 3
> Act PV 3
> VG Size 229 GB
> PE Size 4 MB
> Total PE 58623
> Alloc PE / Size 39082 / 152.66 GB
> Free PE / Size 19541 / 76.33 GB
> VG UUID lHyDca-e7yA-4Rkt-keGF-uJHY-YCRk-3qqw7N
>
> seven:/ # lvdisplay /dev/NVolGroup/nVol
> --- Logical volume ---
> LV Name /dev/NVolGroup/nVol
> VG Name NVolGroup
> LV Write Access read/write
> LV Status available
> LV # 1
> # open 1
> LV Size 152.66 GB
> Current LE 39082
> Allocated LE 39082
> Stripes 2
> Stripe size (KByte) 16
> Allocation next free
> Read ahead sectors 120
> Block device 58:0
>
> If I try to extend the LV with:
> lvextend -L+78164M /dev/NVolGroup/nVol
> then I get:
> lvextend -- rounding size 240119808 KB to stripe boundary size 240123904
> KB
> lvextend -- only 19541 free physical extents in volume group "NVolGroup"
>
> Next try with: lvextend -l+19541 /dev/NVolGroup/nVol
> lvextend -- rounding size 240119808 KB to stripe boundary size 240123904
> KB
> lvextend -- only 19541 free physical extents in volume group "NVolGroup"
>
> Where is the error?
>
> Gruß
> Carsten
>
> --
> "Who the fuck is General Failure and why is he reading my disk?"
> _______________________________________________
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> linux-lvm at sistina.com
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> read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html
--
Regards,
Heinz -- The LVM Guy --
*** Software bugs are stupid.
Nevertheless it needs not so stupid people to solve them ***
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Heinz Mauelshagen Sistina Software Inc.
Senior Consultant/Developer Am Sonnenhang 11
56242 Marienrachdorf
Germany
Mauelshagen at Sistina.com +49 2626 141200
FAX 924446
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