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% storage.conf(5) Container Storage Configuration File % Dan Walsh % May 2017
NAME
storage.conf - Syntax of Container Storage configuration file
DESCRIPTION
The STORAGE configuration file specifies all of the available container storage options for tools using shared container storage, but in a TOML format that can be more easily modified and versioned.
FORMAT
The [TOML format][toml] is used as the encoding of the configuration file. Every option and subtable listed here is nested under a global "storage" table. No bare options are used. The format of TOML can be simplified to:
[table]
option = value
[table.subtable1]
option = value
[table.subtable2]
option = value
STORAGE TABLE
The storage table supports the following options:
graphroot="" container storage graph dir (default: "/var/lib/containers/storage") Default directory to store all writable content created by container storage programs
runroot="" container storage run dir (default: "/var/run/containers/storage") Default directory to store all temporary writable content created by container storage programs
driver="" container storage driver (default is "overlay") Default Copy On Write (COW) container storage driver
STORAGE OPTIONS TABLE
The storage.options table supports the following options:
additionalimagestores=[] Paths to additional container image stores. Usually these are read/only and stored on remote network shares.
size="" Maximum size of a container image. Default is 10GB. This flag can be used to set quota on the size of container images.
override_kernel_check="" Tell storage drivers to ignore kernel version checks. Some storage drivers assume that if a kernel is too old, the driver is not supported. But for kernels that have had the drivers backported, this flag allows users to override the checks
HISTORY
May 2017, Originally compiled by Dan Walsh dwalsh@redhat.com Format copied from crio.conf man page created by Aleksa Sarai asarai@suse.de