Hi, Thank you for your reply. I’m wonder why I see only one global lock in lvmlockctl -i, should I got multiple gl lock in lvmlock -i when it warn “duplicate gl lock”? Thanks! Damon > 在 2018年6月27日,下午10:23,David Teigland <teigland@xxxxxxxxxx> 写道: > >> On Wed, Jun 27, 2018 at 10:03:00PM +0800, Damon Wang wrote: >> Hi all, >> >> I found duplicate sanlock locks in lvm operation: >> >> [root@172-20-11-108 ~]# vgs >> Duplicate sanlock global locks should be corrected >> Duplicate sanlock global lock in VG 9e9e5a689750430daff18da75c9718cc >> Couldn't find device with uuid 7oDKl3-TvVY-Q24z-Q2BC-psUZ-SFCX-j1fhQE. >> Duplicate sanlock global lock in VG 8c32e39f49024e64832c1bc3fd15f948 >> VG #PV #LV #SN Attr VSize VFree >> 8c32e39f49024e64832c1bc3fd15f948 4 80 0 wz--ns <291.88g <263.32g >> 9e9e5a689750430daff18da75c9718cc 3 55 0 wz-pns 739.93g <702.65g >> zstack 1 2 0 wz--n- <59.00g 0 > >> It seems not harmful, but I don't know why it happen. > > It can be harmful if different hosts use different global locks. > There's a section in lvmlockd man page about how this happens and > how to correct it. In short, it happens when you create a new sanlock VG > while the other one is not visible. To correct it, you disable the global > lock in one of the VGs with 'lvmlockctl --gl-disable <vgname>'. > > Dave _______________________________________________ linux-lvm mailing list linux-lvm@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/