How to change the I/O scheduler for Dell EMC Powerpath devices?
Issue
- How to change the I/O scheduler for
Dell EMC Powerpathdevices? - Adding "elevator=deadline" in
grub kernel commandlinedidn't change IO scheduler forPowerpathdevices and it sub paths.
# cat /sys/block/emcpowera/queue/scheduler
[noop] deadline cfq
# cat /sys/block/sdq/queue/scheduler
[noop] deadline cfq
Environment
- Red Hat Enterprise Linux 7
- Dell EMC Powerpath
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