Description of problem:
when invoking "lvcreate -l 100%FREE -T vg/thin-pool", lvm should allocate all the free PE to the thin pool ( 1 PE for metadata, others for data block ).
Version-Release number of selected component (if applicable):
# vgdisplay vg3
--- Volume group ---
VG Name vg3
Metadata Areas 1
Metadata Sequence No 1
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 0
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 1020.00 MiB
PE Size 4.00 MiB
Total PE 255
Alloc PE / Size 0 / 0
Free PE / Size 255 / 1020.00 MiB
VG UUID X8FHfz-ezqW-FIaW-A0Dx-uPnX-bUPl-k3Meez
#lvcreate -l 100%FREE -T vg3/pool
Rounding up size to full physical extent 4.00 MiB
Insufficient suitable allocatable extents for logical volume pool: 255 more required
"lvcreate -l 100%FREE -T vg3/pool" return error
should create 255 PE to the thin pool and 254 PE as the data block.
The 100%FREE option works well to create a liner volume so should also work well to create the thin pool.
[root@laker ~]# lvcreate -l 100%FREE -n vg3/lv
Logical volume "lv" created
[root@laker ~]# lvs vg3
LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert
lv vg3 -wi-a--- 1020.00m
please ignore '( 1 PE for metadata, others for data block )' in 'DESCRIPTION' field.
Yes, we ought to fix this one.
Is this still an issue in F18 Alpha1?
(In reply to comment #4)
> Is this still an issue in F18 Alpha1?
Yes, it still exists in lvm2-2.02.97-1.fc18.x86_64
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