====== 26 duplicate PVs ======
こんな感じでpv丸ごとコピーした場合。
PVのuuidが同じになるのでエラーとなってしまう。
dd if=/dev/xvda2 of=/dev/xvdb2
===== エラー =====
# pvs
WARNING: Not using lvmetad because duplicate PVs were found.
WARNING: Use multipath or vgimportclone to resolve duplicate PVs?
WARNING: After duplicates are resolved, run "pvscan --cache" to enable lvmetad.
WARNING: PV 0yTzZw-rtCB-XEqN-rXsR-H9x1-BsJF-rySufQ on /dev/xvdb2 was already found on /dev/xvda2.
WARNING: PV 0yTzZw-rtCB-XEqN-rXsR-H9x1-BsJF-rySufQ prefers device /dev/xvda2 because device is used by LV.
PV VG Fmt Attr PSize PFree
/dev/xvda2 centos lvm2 a-- 19.51g 40.00m
===== 対応 =====
vgimportclone でuuidを変更してあげると、治ります。
LVをマウントしたままだと実行できない。
# vgimportclone /dev/xvda1
WARNING: PV 0yTzZw-rtCB-XEqN-rXsR-H9x1-BsJF-rySufQ on /dev/xvdb2 was already found on /dev/xvda2.
WARNING: PV 0yTzZw-rtCB-XEqN-rXsR-H9x1-BsJF-rySufQ prefers device /dev/xvda2 because device is used by LV.
Failed to find physical volume "/dev/xvda1".
Failed to find all devices.
WARNING: PV 0yTzZw-rtCB-XEqN-rXsR-H9x1-BsJF-rySufQ on /dev/xvdb2 was already found on /dev/xvda2.
アンマウント、もしくはrootディスクの場合リカバリーモードで起動後に実行してあげる。
# vgimportclone /dev/xvda2
WARNING: PV 0yTzZw-rtCB-XEqN-rXsR-H9x1-BsJF-rySufQ on /dev/xvdb2 was already found on /dev/xvda2.
WARNING: PV 0yTzZw-rtCB-XEqN-rXsR-H9x1-BsJF-rySufQ prefers device /dev/xvda2 because device is used by LV.
Device /dev/xvda2 has active LVs, deactivate first.
WARNING: PV 0yTzZw-rtCB-XEqN-rXsR-H9x1-BsJF-rySufQ on /dev/xvdb2 was already found on /dev/xvda2.
WARNING: Disabling lvmetad cache which does not support duplicate PVs.
{{tag>lvm}}