[Linux-cluster] What is the proper way to grow LVM/GFS volumes

[Alan A]

Here is the update:

[root at fenmrdev03 ~]# lvextend  -l+100%FREE  /dev/nuvg4/nulv4
  Extending logical volume nulv4 to 10.00 GB
  Error locking on node fenmrdev04: device-mapper: create ioctl failed:
Device or resource busy
  Error locking on node fenmrdev03: device-mapper: create ioctl failed:
Device or resource busy
  Failed to suspend nulv4


On Tue, Nov 18, 2008 at 3:15 PM, Scott Wilson <swilson at uchicago.edu> wrote:

>
> I think you need:
>
> lvextend  -l+100%FREE  /dev/nuvg4/nulv4
>            ^
>
> Without the +, you were trying to set the logical volume size to the size
> of your free space, not adding the free space to the size.
>
>
> Scott Wilson                    Lead System Administrator
> swilson at uchicago.edu            NSIT - DCS - SeaUnix
>
>
> On Tue, 18 Nov 2008, Alan A wrote:
>
>  I tried a few times to grow LVM by adding additional PV to VG, and then
>> executing 'lvextend' command. I am not sure what I am doing wrong but I
>> get
>> the message that there is error locking on one of the nodes, and then the
>> GFS hangs.
>>
>> Here are some of the details:
>>
>> [root at fenmrdev03 ~]# vgs
>>  VG         #PV #LV #SN Attr   VSize  VFree
>>  VolGroup00   2   2   0 wz--n- 50.75G    0
>>  gfs_sda1     1   1   0 wz--nc 10.00G 5.00G
>>  gfs_sdb1     1   1   0 wz--nc 10.00G 3.00G
>>  nuvg4        2   1   0 wz--nc 10.00G 5.00G
>> [root at fenmrdev03 ~]# lvs
>>  LV       VG         Attr   LSize  Origin Snap%  Move Log Copy%  Convert
>>  LogVol00 VolGroup00 -wi-ao 40.81G
>>  LogVol01 VolGroup00 -wi-ao  9.94G
>>  gfs_sda1 gfs_sda1   -wi-ao  5.00G
>>  gfs_sdb1 gfs_sdb1   -wi-ao  7.00G
>>  nulv4    nuvg4      -wi-ao  5.00G
>> [root at fenmrdev03 ~]# pvs
>>  PV                VG         Fmt  Attr PSize  PFree
>>  /dev/cciss/c0d0p2 VolGroup00 lvm2 a-   33.81G    0
>>  /dev/cciss/c0d1p1 VolGroup00 lvm2 a-   16.94G    0
>>  /dev/sda1         gfs_sda1   lvm2 a-   10.00G 5.00G
>>  /dev/sdb1         gfs_sdb1   lvm2 a-   10.00G 3.00G
>>  /dev/sdc          nuvg4      lvm2 a-    5.00G    0
>>  /dev/sdd          nuvg4      lvm2 a-    5.00G 5.00G
>>
>>
>> Command I tried:
>> [root at fenmrdev03 ~]# lvextend  -l100%FREE  /dev/nuvg4/nulv4
>>
>>
>>
>>
>> --
>> Alan A.
>>
>>
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-- 
Alan A.
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