Dear all I tried to craete pv on my xscale system but failed. create pv command is successful, but I got the "Incorrect metadata error when scan pvs. I'm not sure it's a compilation problem or hard disk problem? does anyone create pv on arm system before? best regard and have a nice day Rocky output log ------------------------------------------------------------------------------------------------------------------ -bash-3.00# pvcreate /dev/sda2 -vv Setting global/locking_type to 1 Setting global/locking_dir to /var/lock/lvm File-based locking enabled. Locking /var/lock/lvm/P_orphans WB /dev/sda2: No label detected /dev/sda2: size is 12048750 sectors Setting metadata/pvmetadatasize to 1024 metadata/pvmetadatacopies not found in config: defaulting to 1 /dev/sda2: size is 12048750 sectors Set up physical volume for "/dev/sda2" with 12047598 available sectors Scanning for labels to wipe from /dev/sda2 Zeroing start of device /dev/sda2 Writing physical volume data to disk "/dev/sda2" /dev/sda2: Writing label to sector 1 Physical volume "/dev/sda2" successfully created Unlocking /var/lock/lvm/P_orphans -bash-3.00# pvscan No matching physical volumes found -bash-3.00# pvscan -vv Setting global/locking_type to 1 Setting global/locking_dir to /var/lock/lvm File-based locking enabled. Wiping cache of LVM-capable devices Wiping internal VG cache Walking through all physical volumes /dev/sda: size is 17942584 sectors /dev/sda1: size is 5879727 sectors /dev/sda1: No label detected /dev/sda2: size is 12048750 sectors /dev/sda2: lvm2 label detected Incorrect metadata area header checksum /dev/sda2: lvm2 label detected Incorrect metadata area header checksum /dev/sda2: lvm2 label detected Incorrect metadata area header checksum PV /dev/sda2 lvm2 [5.74 GB] Total: 1 [5.74 GB] / in use: 0 [0 ] / in no VG: 1 [5.74 GB] -bash-3.00# pvscan --version LVM version: 2.02.01 (2005-11-23) Library version: 1.02.02 (2005-12-02) Driver version: 4.4.0 linux Kernel 2.6.15.4 _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/