no,it's not a symlink and i can use the disk normally by mounting /dev/sda1.... >Just a guess, if /dev/sda is a symlink have you tried passing the full device name to vgcreate? >I.E. vgcreate group1 /dev/scsi/host1... > >----- Original Message ----- >From: "蔡滢" <yearn_cai@usish.com> >To: "linux-lvm@redhat.com" <linux-lvm@redhat.com> >Subject: pvcreate is successful but can't vgcreate >Date: Thu, 14 Oct 2004 11:10:19 +0800 > >> >> i want to use LVM to manage my SATA disks attached on arm system and: >> >> pvcreate /dev/sda >> Physical volume "/dev/sda" successfully created >> >> vgcreate group1 /dev/sda >> No physical volume label read from /dev/sda >> /dev/sda not identified as an existing physical volume >> Unable to add physical volume '/dev/sda' to volume group 'group1'. >> >> what's wrong and why? >> >> >> _______________________________________________ >> 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/ >> > >-- >___________________________________________________________ >Sign-up for Ads Free at Mail.com >http://promo.mail.com/adsfreejump.htm > > >_______________________________________________ >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/ = = = = = = = = = = = = = = = = = = = = 致 礼! 蔡滢 yearn_cai@usish.com 2004-10-14 _______________________________________________ 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/