Duplicate PVs reported by LVM commands for non-multipath devices
Issue
- The
pvscommand reports duplicate Physical Volumes (PVs) even though multipath is not configured. - The
pvscommand shows duplicate devices with the same PV UUID (PVID). - The
pvscommand shows the attributed--in theAttrcolumn. - LVM commands display warnings indicating duplicate PVs or duplicate PVIDs for non-multipath devices.
Example output on RHEL 6, 7 and 8:
# pvs -ao +uuid
Reloading config files
WARNING: Not using device /dev/sdf1 for PV jGHhXi-ewaC-NtHd-snEB-UEeN-jtHj-L2yZDS.
WARNING: Not using device /dev/sdj1 for PV lUJcCR-elB0-fWyE-vunt-1dL2-pNSJ-KcBf15.
WARNING: PV jGHhXi-ewaC-NtHd-snEB-UEeN-jtHj-L2yZDS prefers device /dev/sde1 because device was seen first.
WARNING: PV lUJcCR-elB0-fWyE-vunt-1dL2-pNSJ-KcBf15 prefers device /dev/sdi1 because device was seen first.
PV VG Fmt Attr PSize PFree DevSize PV UUID PMdaFree PMdaSize #PMda #PMdaUse 1st PE
/dev/sde1 vgname lvm2 a-- <100.00g 0 <100.00g jGHhXi-ewaC-NtHd-snEB-UEeN-jtHj-L2yZDS 507.50k 1020.00k 1 1 1.00m
/dev/sdf1 vgname lvm2 d-- 0 0 <100.00g jGHhXi-ewaC-NtHd-snEB-UEeN-jtHj-L2yZDS 0 0 0 0 0
/dev/sdi1 vgname lvm2 a-- <100.00g 1016.00m <100.00g lUJcCR-elB0-fWyE-vunt-1dL2-pNSJ-KcBf15 507.50k 1020.00k 1 1 1.00m
/dev/sdj1 vgname lvm2 d-- 0 0 <100.00g lUJcCR-elB0-fWyE-vunt-1dL2-pNSJ-KcBf15 0 0 0 0 0
Example output on RHEL 9:
# pvs -ao +uuid
Reloading config files
WARNING: found PVID PRrkA5Tre3sKHxJdLgwY1bkxb21n8Qkk on multiple devices /dev/sdb /dev/sdc.
WARNING: duplicate PVIDs should be changed to be unique.
WARNING: use lvmdevices to select a device for PVID PRrkA5Tre3sKHxJdLgwY1bkxb21n8Qkk.
PV VG Fmt Attr PSize PFree DevSize PV UUID PMdaFree PMdaSize #PMda #PMdaUse 1st PE
/dev/sda3 rhel lvm2 a-- 48.41g 0 48.41g f1oO2h-B8YQ-jM1j-ImmE-FATi-gdhz-DseWD2 507.00k 1020.00k 1 1 1.00m
Reloading config files
Environment
- Red Hat Enterprise Linux 6 and above.
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