Name
elvtune
Synopsis
elvtune [options
]devices
System administration command. Set the latency in the elevator algorithm used to schedule I/O activities for the specified block devices. If no options are given, print the current settings for devices.
Options
- -b N
Set the maximum coalescing factor allowed on writes when reads are pending to N.
- -h
Print help message, then exit.
- -r N
Set the maximum read latency (basically, the number of sectors to read before writes are allowed) to N. The default is 8192.
- -v
Print version number, then exit.
- -w N
Set the maximum write latency (sectors to write before allowing a read) to N. The default is 16384.
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