Bug #22305
Updated by Alfredo Deza over 6 years ago
<pre> ceph-volume lvm prepare --bluestore --data osd.9/osd.9 [2017-12-01 17:25:25,279][ceph_volume.process][INFO ] Running command: ceph --cluster ceph --name client.bootstrap-osd --keyring /var/lib/ceph/bootstrap-osd/ceph.keyring -i - osd new 063c7de3-d4b2-463b-9f56-7a76b0b48197 [2017-12-01 17:25:25,940][ceph_volume.process][INFO ] stdout 25 [2017-12-01 17:25:25,940][ceph_volume.process][INFO ] Running command: sudo lvs --noheadings --separator=";" -o lv_tags,lv_path,lv_name,vg_name,lv_uuid [2017-12-01 17:25:25,977][ceph_volume.process][INFO ] stdout ";"/dev/LVM0/CEPH";"CEPH";"LVM0";"y4Al1c-SFHH-VARl-XQf3-Qsc8-H3MN-LLIIj4 [2017-12-01 17:25:25,978][ceph_volume.process][INFO ] stdout ";"/dev/LVM0/ROOT";"ROOT";"LVM0";"31V3cd-E2b1-LcDz-2loq-egvh-lz4e-3u20ZN [2017-12-01 17:25:25,978][ceph_volume.process][INFO ] stdout ";"/dev/LVM0/SWAP";"SWAP";"LVM0";"hI3cNL-sddl-yXFB-BOXT-5R6j-fDtZ-kNixYa [2017-12-01 17:25:25,978][ceph_volume.process][INFO ] stdout d77bfa9f-4d8d-40df-852a-692a94929ed2";"/dev/osd.9/osd.9";"osd.9";"osd.9";"3NAmK8-U3Fx-KUOm-f8x8-aEtO-MbYh-uPGHhR [2017-12-01 17:25:25,979][ceph_volume][ERROR ] exception caught by decorator Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/ceph_volume/decorators.py", line 59, in newfunc return f(*a, **kw) File "/usr/lib/python2.7/dist-packages/ceph_volume/main.py", line 144, in main terminal.dispatch(self.mapper, subcommand_args) File "/usr/lib/python2.7/dist-packages/ceph_volume/terminal.py", line 131, in dispatch instance.main() File "/usr/lib/python2.7/dist-packages/ceph_volume/devices/lvm/main.py", line 38, in main terminal.dispatch(self.mapper, self.argv) File "/usr/lib/python2.7/dist-packages/ceph_volume/terminal.py", line 131, in dispatch instance.main() File "/usr/lib/python2.7/dist-packages/ceph_volume/devices/lvm/prepare.py", line 293, in main self.prepare(args) File "/usr/lib/python2.7/dist-packages/ceph_volume/decorators.py", line 16, in is_root return func(*a, **kw) File "/usr/lib/python2.7/dist-packages/ceph_volume/devices/lvm/prepare.py", line 206, in prepare block_lv = self.get_lv(args.data) File "/usr/lib/python2.7/dist-packages/ceph_volume/devices/lvm/prepare.py", line 102, in get_lv return api.get_lv(lv_name=lv_name, vg_name=vg_name) File "/usr/lib/python2.7/dist-packages/ceph_volume/api/lvm.py", line 162, in get_lv lvs = Volumes() File "/usr/lib/python2.7/dist-packages/ceph_volume/api/lvm.py", line 411, in __init__ self._populate() File "/usr/lib/python2.7/dist-packages/ceph_volume/api/lvm.py", line 416, in _populate self.append(Volume(**lv_item)) File "/usr/lib/python2.7/dist-packages/ceph_volume/api/lvm.py", line 638, in __init__ self.tags = parse_tags(kw['lv_tags']) File "/usr/lib/python2.7/dist-packages/ceph_volume/api/lvm.py", line 66, in parse_tags key, value = tag_assignment.split('=', 1) ValueError: need more than 1 value to unpack </pre> Additional info: ... --- Volume group --- VG Name osd.9 ... --- Logical volume --- LV Path /dev/osd.9/osd.9 LV Name osd.9 VG Name osd.9 ... lvs -o vg_tags /dev/osd.9/osd.9 VG Tags d77bfa9f-4d8d-40df-852a-692a94929ed2 ... lvs -o lv_tags /dev/osd.9/osd.9 LV Tags d77bfa9f-4d8d-40df-852a-692a94929ed2 Use case: Just like ceph-volume we use LVM tags to identify a know UUID (which corresponds to a disk in our setup). Alfredo Deza commented on this mailinglist thread: "Looks like there is a tag in there that broke it. Lets follow up on a tracker issue so that we don't hijack this thread?" Ideally ceph-volume is able to handle multiple (already existing) tags. LVM VG / LV supports multiple tags.