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Fixed

LIN1021-2131 : lvm/lvs: duplicate entries in bd_lvm_lvs output

Created: Dec 6, 2021 Updated: Feb 15, 2022

Resolved Date: Dec 28, 2021

Found In Version: 10.21.20.6

Fix Version: 10.21.20.8

Severity: Standard

Applicable for: Wind River Linux LTS 21

Component/s: Userspace

Description

We use "-o segtypes" for the "lvs" command which means multisegment
LVs will be twice in the output. 1]

$ lvs --noheadings --nosuffix --nameprefixes --unquoted --units=b -a -o vg_name,lv_name,lv_uuid,lv_size,lv_attr,segtype,origin,pool_lv,data_lv,metadata_lv,role,move_pv,data_percent,metadata_percent,copy_percent,lv_tags

OUTPUT:
 (LVM2_VG_NAME=rootvg LVM2_LV_NAME=RCSMW-ARM_CXP2020233_2_R20A154
LVM2_LV_UUID=TgjM5V-jhXX-tPTf-gPMa-c3w6-QEjo-7qkmVg
LVM2_LV_SIZE=71303168 LVM2_LV_ATTR=wi-ao--- LVM2_SEGTYPE=linear
LVM2_ORIGIN= LVM2_POOL_LV= LVM2_DATA_LV= LVM2_METADATA_LV=
LVM2_LV_ROLE=public LVM2_MOVE_PV= LVM2_DATA_PERCENT=
LVM2_METADATA_PERCENT= LVM2_COPY_PERCENT= LVM2_LV_TAGS=

|LVM2_VG_NAME=rootvg LVM2_LV_NAME=RCSMW-ARM_CXP2020233_2_R20A154
LVM2_LV_UUID=TgjM5V-jhXX-tPTf-gPMa-c3w6-QEjo-7qkmVg
LVM2_LV_SIZE=71303168 LVM2_LV_ATTR=wi-ao--- LVM2_SEGTYPE=linear
LVM2_ORIGIN= LVM2_POOL_LV= LVM2_DATA_LV= LVM2_METADATA_LV=
LVM2_LV_ROLE=public LVM2_MOVE_PV= LVM2_DATA_PERCENT=
LVM2_METADATA_PERCENT= LVM2_COPY_PERCENT= LVM2_LV_TAGS=


See [2) for more details

[1] https://github.com/storaged-project/libblockdev/pull/671
[2] https://github.com/storaged-project/libblockdev/issues/667