Hi Luca, this may sound stupid, but if there is a dos-compatibility partition, why doesn't it show up in fdisk or parted? I've included the info you mentioned below, as well as the info for sda... --Josh > looks like you have both a gpt partition and a compatibility dos-like > one. i am missing some info (partition detection logs at boot) output of > /proc/partition and lvmdiskscan. and i don't have an ia64 to play with > any more. might try modifiyng the partition detection code in the kernel > config [root@one sbin]# dmesg|grep sd Attached scsi disk sdb at scsi0, channel 0, id 1, lun 0 SCSI device sda: 71132960 512-byte hdwr sectors (36420 MB) sda: sda1 sda2 sda3 sda4 Attached scsi disk sdb at scsi0, channel 0, id 1, lun 0 SCSI device sdb: 71132960 512-byte hdwr sectors (36420 MB) sdb: sdb1 sdb2 /proc/partitions: major minor #blocks name rio rmerge rsect ruse wio wmerge wsect wuse running use aveq 8 0 35566480 sda 22661 39173 355842 99578 84426 763195 6796456 1992657 0 508375 2093808 8 1 1024000 sda1 506 17244 17830 1303 14 26 40 3178 0 1183 4482 8 2 17086318 sda2 4662 463 39842 22586 1604 5020 53800 1135352 0 35906 1158022 8 3 15360000 sda3 17426 19290 293722 67802 82808 758149 6742616 854132 0 480061 923424 8 4 2096128 sda4 3 0 96 23 0 0 0 0 0 23 23 8 16 35566480 sdb 285 8353 17020 25452 11 201 424 114 0 25533 25566 8 17 2096111 sdb1 9 135 288 6 0 0 0 0 0 6 6 8 18 17086464 sdb2 25 165 380 12 7 137 288 35 0 47 47 [root@one sbin]# lvmdiskscan lvmdiskscan -- reading all disks / partitions (this may take a while...) lvmdiskscan -- /dev/sda1 [ 33.92 GB] Primary [0xEE] lvmdiskscan -- /dev/sda2 [ 16.29 GB] free whole disk lvmdiskscan -- /dev/sdb1 [ 33.92 GB] Primary [0xEE] lvmdiskscan -- /dev/sdb2 [ 16.29 GB] USED LVM whole disk lvmdiskscan -- 2 disks lvmdiskscan -- 2 whole disks lvmdiskscan -- 0 loop devices lvmdiskscan -- 0 multiple devices lvmdiskscan -- 0 network block devices lvmdiskscan -- 6 partitions lvmdiskscan -- 0 LVM physical volume partitions [root@one sbin]# fdisk -l /dev/sda Disk /dev/sda: 255 heads, 63 sectors, 4427 cylinders Units = cylinders of 16065 * 512 bytes Device Boot Start End Blocks Id System /dev/sda1 1 4428 35566479+ ee EFI GPT [root@one sbin]# parted /dev/sda print Disk geometry for /dev/sda: 0.000-34732.890 megabytes Disk label type: GPT Minor Start End Filesystem Name Flags 1 0.017 1000.016 FAT boot, lba 2 1000.017 17685.874 ext3 lba 3 17685.875 32685.874 ext3 lba 4 32685.875 34732.874 linux-swap lba [root@one sbin]# df -k Filesystem 1k-blocks Used Available Use% Mounted on /dev/sda3 15118728 3718600 10632128 26% / /dev/sda1 1023728 10720 1013008 2% /boot/efi /dev/sda2 16817896 5019860 10943724 32% /home none 505568 0 505568 0% /dev/shm _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/