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[linux-lvm] Translating device name from sar to a filesystem



Hi All,
I am a DBA trying to determine if I/O is a bottleneck for an Oracle 11g database running on RHEL 5.7 x64 on VmWare ESXi 4.1. I monitor disk activity using "sar -d" and get device names like dev8-0 and dev253-17. I have tried to translate these device names to filesystem names without succes. Can someone provide instructions on how to find filesystem build on a device name from "sar -d"? Are there any giudeline or better commands for determining if I/O is a bottleneck?
Appreciate any help.
Regards,
Reza

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