eio_cli man page on Alpinelinux
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EIO_CLI(8) eio_cli EIO_CLI(8)
NAME
eio_cli - EnhanceIO command line interface
SYNOPSIS
eio_cli create -d <src device> -s <SSD device> [-p <policy>] [-m <cache
mode>] [-b <block size>] -c <cache name>
eio_cli delete -c <cache name>
eio_cli clean -c <cache name>
eio_cli info
eio_cli edit [-p <policy>] [-m <cache mode>] -c <cache name>
DESCRIPTION
EnhanceIO is a block device caching software that uses an SSD as cache
for traditional HDDs. The eio_cli command line interface is intended
to serve the purpose of administering the caches. The eio_cli command
takes the first argument as a sub-command, rest of the arguments are
options specific to the sub-command.
SUB-COMMANDS
eio_cli create options
Creates a new cache by associating an SSD device with a source device.
-d <source device>
Specifies the source device.
-s <SSD device>
Specifies the SSD device.
-c <Cache name >
Specifies the Cache name.
[-p <policy>]
Cache block replacement policy. Policies are: lru, fifo(default),
rand(random).
[-m <cache mode>]
Specifies the caching mode. Supported caching modes are: ro(Read-
Only), wt(default: Write-Through), wb(Write-Back).
[-b <block size>]
Specifies the block size of each single cache entry. Block size
are: 2048, 4096(default), 8192.
eio_cli delete options
Deletes a pre-existing cache.
-c <Cache name>
Specifies the Cache name.
eio_cli clean options
Cleans a pre-existing cache.
-c <Cache name>
Specifies the Cache name.
eio_cli info
Displays information of existing cache devices.
eio_cli edit options
Modifies the properties of a cache.
-c <Cache name>
Specifies the Cache name.
[-p <policy>]
Cache block replacement policy. Policies are: lru, fifo(default),
rand(random).
[-m <cache mode>]
Specifies the caching mode. Supported caching modes are: ro(Read-
Only), wt(Write-Through), wb(Write-Back).
EXAMPLES
# Create a cache
$ eio_cli create -d /dev/sdg -s /dev/sdf -p lru -m wt -c SDG_CACHE
$ eio_cli create -d /dev/sdm -s /dev/sdk -c SDM_CACHE
$ eio_cli create -d /dev/sdc1 -s /dev/sdd1 -c SDC1_CACHE
# Display properties of the cache devices
$ eio_cli info
# Edit the properties of the cache SDG_CACHE
$ eio_cli edit -p fifo -c SDG_CACHE
$ eio_cli edit -p rand -m ro -c SDG_CACHE
# Delete the cache SDG_CACHE
$ eio_cli clean -c SDG_CACHE
# Clean the cache SDG_CACHE
$ eio_cli clean -c SDG_CACHE
AUTHOR
STEC, Inc. <http://www.stec-inc.com/> Sanoj Unnikrishnan <sunnikr‐
ishnan@stec-inc.com>
May 25, 2012 EIO_CLI(8)
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