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Re: [Linux-cluster] adding volume to cluster



2008/9/30 Jeff Sturm <jeff sturm eprize com>
If this volume group is to be shared by multiple hosts you need a clustered volume group.
 
Make sure clvmd is running, that you've set the locking_type in lvm.conf and and pass "-c y" arguments to vgcreate.



I removed my volume group and recreated it with -c y, but I still can't create a volume:

[root omadvnfs01a ~]# vgcreate -c y vg_data01e /dev/sdc1
  Volume group "vg_data01e" successfully created
[root omadvnfs01a ~]# lvcreate --size 4T -n lv_data01e vg_data01e
  Error locking on node omadvnfs01b: device-mapper: create ioctl failed: Device or resource busy
  Aborting. Failed to activate new LV to wipe the start of it.

my locking type is 3.


It looks like the VG got created on both nodes:
on A node:
  --- Volume group ---
  VG Name               vg_data01e
  System ID            
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  5
  VG Access             read/write
  VG Status             resizable
  Clustered             yes
  Shared                no
  MAX LV                0
  Cur LV                0
  Open LV               0
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               4.00 TB
  PE Size               4.00 MB
  Total PE              1048578
  Alloc PE / Size       0 / 0  
  Free  PE / Size       1048578 / 4.00 TB
  VG UUID               rT2b6W-OAsO-fBm7-je9M-dH7W-emvR-ehkU4z

on node B:
  --- Volume group ---
  VG Name               vg_data01e
  System ID            
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  5
  VG Access             read/write
  VG Status             resizable
  Clustered             yes
  Shared                no
  MAX LV                0
  Cur LV                0
  Open LV               0
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               4.00 TB
  PE Size               4.00 MB
  Total PE              1048578
  Alloc PE / Size       0 / 0  
  Free  PE / Size       1048578 / 4.00 TB
  VG UUID               rT2b6W-OAsO-fBm7-je9M-dH7W-emvR-ehkU4z


Any ideas?



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