Hello! I'm building a backup to disk system and i have strange problem with lvm on top of 2 software raid 5 devices. Each SW Raid-5 has 7x400GB HDDs (=2,4TB). On top of these two SW Raid devices I created one big LV with 4,8TB. I use Reiserfs as filesystem. I worked fine while the disk usage was below 1,5TB, above that, the Filesystem was destroyed. I tried the same with ext3 and had the same results. So I't not the Filesystem. I also checked the Softwareraid and the LV for any Problems but i haven't found anything. After reading many Mails/howtos/man-pages I quess that LVM can't handle PV's which are larger than 2TB is this correct? I haven't found anything in the documentation about the maximum PV size. thanks for any help. My setup looks like this: Debian testing 2.6.12-1-686-smp lvm2 2.01.04-5 mdadm 1.12.0-1 14x400GB SATA Hdds on two 3-Ware controllers. mdadm --create /dev/md0 --chunk=64 --level=raid5 --raid-devices=7 /dev/sd[bcdefgh]1 mdadm --create /dev/md1 --chunk=64 --level=raid5 --raid-devices=7 /dev/sd[ijklmno]1 pvcreate /dev/md0 (Softwareraid controller1) pvcreate /dev/md1 (Softwareraid controller2) vgcreate vg0 --physicalextentsize 16M /dev/md0 /dev/md1 lvcreate --stripes 2 --stripesize 64 -l <extends> --name backup vg0 I get this Filesystem errors: Oct 21 15:30:02 backup1 kernel: ReiserFS: warning: is_tree_node: node level 42225 does not match to the expected one 2 Oct 21 15:30:02 backup1 kernel: ReiserFS: dm-0: warning: vs-5150: search_by_key: invalid format found in block 73668. Fsck? Oct 21 15:30:02 backup1 kernel: ReiserFS: dm-0: warning: zam-7001: io error in reiserfs_find_entry -- Johannes Ullmann IT-Services EVVA-Werk Gesellschaft m.b.H. & Co. KG Wienerbergstraße 59-65 A-1120 Wien Tel.: +43-1-811 65 / 505 Fax: +43-1-811 65 / 16 e-mail: j.ullmann at evva.com homepage: http://www.evva.com _______________________________________________ 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/