This is because blkid just retrieve a labelled block device while lsblk can identify all block devices, right? Reviewed-by: Royce Lv&lt;lvroyce(a)linux.vnet.ibm.com&gt; Minor suggestion for naming below. On 2014年03月05日 05:09, Aline Manera wrote: > From: Aline Manera <alinefm(a)br.ibm.com&gt; > > While trying to extend a logical pool I got the following error message: > > "/dev/vdb is not a valid disk/partition. Could not add it to the pool > my-logical-pool" > > But the same partition "/dev/vdb" is listed on GET /host/partitions. > Then I realized the "blkid" is not the correct command to check a > partition exists for raw disks. > > From blkid man page: > It can determine the type of content (e.g. filesystem or swap) that a > block > device holds, and also attributes (tokens, NAME=value pairs) from > the > content metadata (e.g. LABEL or UUID fields). > > Which is not useful for a raw disk. > > From lsblk man page: > lsblk lists information about all or the specified block devices. > > So use "lsblk" command instead of "blkid" to verify the disk exists in > the system. > > Signed-off-by: Aline Manera <alinefm(a)br.ibm.com&gt; > --- > src/kimchi/model/storagepools.py | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/src/kimchi/model/storagepools.py > b/src/kimchi/model/storagepools.py > index 76ab2d6..d012ca9 100644 > --- a/src/kimchi/model/storagepools.py > +++ b/src/kimchi/model/storagepools.py > @@ -254,7 +254,7 @@ class StoragePoolModel(object): > def _update_lvm_disks(self, pool_name, disks): > # check if all the disks/partitions exists in the host > for disk in disks: > - blkid_cmd = ['blkid', disk] > + blkid_cmd = ['lsblk', disk] "blkid_cmd" variable name need to be changed because it refer to "lsblk" cmd.

> output, error, returncode = run_command(blkid_cmd) > if returncode != 0: > kimchi_log.error('%s is not a valid disk/partition. > Could not ' > @@ -281,6 +281,7 @@ class StoragePoolModel(object): > pool.setAutostart(1) > else: > pool.setAutostart(0) > + > if 'disks' in params: > # check if pool is type 'logical' > xml = pool.XMLDesc(0)