[linux-lvm] [LVM] Extending LV

[Michaël Berger]

aha: that is something:


Command (m for help): v
286690436 unallocated sectors

Command (m for help): n

Probably I need to add that the c0d0p2 with fdisk first

On Thu, Sep 22, 2011 at 2:32 PM, Michaël Berger <miberger79 at gmail.com>wrote:

> Hello,
>
> I am very new to LVM. Trying to extend a LV after I added a 4th disk in a
> HW RAID, but I don't have much luck. I am really hoping someone out there
> can help me.
>
> Here is my setup:
>
> [root at sk-nas ~]# fdisk /dev/cciss/c0d0
>
> The number of cylinders for this disk is set to 53535.
> There is nothing wrong with that, but this is larger than 1024,
> and could in certain setups cause problems with:
> 1) software that runs at boot time (e.g., old versions of LILO)
> 2) booting and partitioning software from other OSs
>    (e.g., DOS FDISK, OS/2 FDISK)
>
> Command (m for help): p
>
> Disk /dev/cciss/c0d0: 440.3 GB, 440345714688 bytes
> 255 heads, 63 sectors/track, 53535 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
>
>            Device Boot      Start         End      Blocks   Id  System
> /dev/cciss/c0d0p1   *           1          13      104391   83  Linux
> /dev/cciss/c0d0p2              14       35690   286575502+  8e  Linux LVM
>
> Command (m for help):
>
> As one can see /dev/cciss/c0d0 is now 440.3GB, which means that my 4th disk
> is "physically" seen in the array. so far so good.
>
> First issue, looks like the 4th disk in not seen by pvscan?
>
> [root at sk-nas ~]# pvscan
>   PV /dev/cciss/c0d0p2   VG VolGroup00   lvm2 [273.28 GB / 0    free]
>   Total: 1 [273.28 GB] / in use: 1 [273.28 GB] / in no VG: 0 [0   ]
> [root at sk-nas ~]#
>
> [root at sk-nas ~]# pvdisplay
>   --- Physical volume ---
>   PV Name               /dev/cciss/c0d0p2
>   VG Name               VolGroup00
>   PV Size               273.30 GB / not usable 18.89 MB
>   Allocatable           yes (but full)
>   PE Size (KByte)       32768
>   Total PE              8745
>   Free PE               0
>   Allocated PE          8745
>   PV UUID               07qmA3-5eD9-klBa-OzWp-XDz1-pUvX-KGXAji
>
> [root at sk-nas ~]#
>
> What should I do, looks like my first disk is not seen by lvm?
>
> Thanks!
>
> Michael
>
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