Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Andreas, Just an idea, but did you change the LVM config file to leave the VG and LV on top of DRBD alone untill DRBD has booted? B. >hi all, >we use >two Supermicro Server 8GB RAM, 2xQuadcore Xeon 5x >3ware 9550 Raid 5 with 6*320GB Seagate, >Network for DRBD between the two systems is a direct 10 GB connection (Intel >82598EB 10GbE AF Network Adapter) only for DRBD Sync >SLES 10 SP2, 184.108.40.206-0.39.3-xen #1 SMP x86_64 >DRDB 8.2.6 >Raid 5 > phy. Disk > LVM > DBBD > LVM > XEN > VBD >one lv on top of DRBD as OCFS2 for the DomUs >then we set for performance ># blockdev --setra 16384 /dev/sda (only change) ># echo 512 > /sys//block/sda/queue/nr_requests ># echo deadline > /sys/block/sda/queue/scheduler ># echo 20 > /proc/sys/vm/dirty_background_ratio ># echo 60 > /proc/sys/vm/dirty_ratio >node 1 with 2 aktiv DomU´s >node 2 reboot >after reboot node 2, drbd was sync with node ># /etc/init.d/drbd status >0:drbd0 Connected Primary/Primary UpToDate/UpToDate C >but, the VG an the LV on top of drbd was vansihed >and on the node 1 the same?????????? >then I was show the partitions on node 1 ># df >/dev/sda2 / (mounted) >df: '/vm': Input/output error ??? >but the DomU´s on node1 running and has mounted LV on top of drbd as xvd???