LogicalVolumes on mdraid devices backed by device-mapper-multipath LUNs are unresponsive
Issue
- after the reboot not all MD-devices recovered correctly, the MD-devices consist out of device-mapper-multipath devices
- reading from the filesystem on the LogicalVolumes on the MD-devices hangs indefinitely, processes go into D-state
Environment
- Red Hat Enterprise Linux 5.3
- SAN connected over device-mapper-multipath
- RAID1 mdraid on two device-mapper-multipath devices
- LVM with filesytems on the mdraid devices
- RAID1 mdraid on two device-mapper-multipath devices
- LifeKeeper High availability clustering
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