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- # This file is is the configuration file for all tools
- # that use the containers/storage library.
- # See man 5 containers-storage.conf for more information
- # The "container storage" table contains all of the server options.
- [storage]
- # Default Storage Driver
- driver = "overlay"
- # Temporary storage location
- runroot = "/var/run/containers/storage"
- # Primary Read/Write location of container storage
- graphroot = "/var/lib/containers/storage"
- [storage.options]
- # Storage options to be passed to underlying storage drivers
- # If specified, use OSTree to deduplicate files with the overlay backend
- ostree_repo = "/var/lib/containers/ostree"
- # AdditionalImageStores is used to pass paths to additional Read/Only image stores
- # Must be comma separated list.
- additionalimagestores = [
- ]
- # Size is used to set a maximum size of the container image. Only supported by
- # certain container storage drivers.
- size = ""
- # Path to an helper program to use for mounting the file system instead of mounting it
- # directly.
- #mount_program = "/usr/bin/fuse-overlayfs"
- # OverrideKernelCheck tells the driver to ignore kernel checks based on kernel version
- override_kernel_check = "true"
- # mountopt specifies comma separated list of extra mount options
- mountopt = "nodev"
- # Remap-UIDs/GIDs is the mapping from UIDs/GIDs as they should appear inside of
- # a container, to UIDs/GIDs as they should appear outside of the container, and
- # the length of the range of UIDs/GIDs. Additional mapped sets can be listed
- # and will be heeded by libraries, but there are limits to the number of
- # mappings which the kernel will allow when you later attempt to run a
- # container.
- #
- # remap-uids = 0:1668442479:65536
- # remap-gids = 0:1668442479:65536
- # Remap-User/Group is a name which can be used to look up one or more UID/GID
- # ranges in the /etc/subuid or /etc/subgid file. Mappings are set up starting
- # with an in-container ID of 0 and the a host-level ID taken from the lowest
- # range that matches the specified name, and using the length of that range.
- # Additional ranges are then assigned, using the ranges which specify the
- # lowest host-level IDs first, to the lowest not-yet-mapped container-level ID,
- # until all of the entries have been used for maps.
- #
- # remap-user = "storage"
- # remap-group = "storage"
- [storage.options.thinpool]
- # Storage Options for thinpool
- # autoextend_percent determines the amount by which pool needs to be
- # grown. This is specified in terms of % of pool size. So a value of 20 means
- # that when threshold is hit, pool will be grown by 20% of existing
- # pool size.
- # autoextend_percent = "20"
- # autoextend_threshold determines the pool extension threshold in terms
- # of percentage of pool size. For example, if threshold is 60, that means when
- # pool is 60% full, threshold has been hit.
- # autoextend_threshold = "80"
- # basesize specifies the size to use when creating the base device, which
- # limits the size of images and containers.
- # basesize = "10G"
- # blocksize specifies a custom blocksize to use for the thin pool.
- # blocksize="64k"
- # directlvm_device specifies a custom block storage device to use for the
- # thin pool. Required if you setup devicemapper.
- # directlvm_device = ""
- # directlvm_device_force wipes device even if device already has a filesystem.
- # directlvm_device_force = "True"
- # fs specifies the filesystem type to use for the base device.
- # fs="xfs"
- # log_level sets the log level of devicemapper.
- # 0: LogLevelSuppress 0 (Default)
- # 2: LogLevelFatal
- # 3: LogLevelErr
- # 4: LogLevelWarn
- # 5: LogLevelNotice
- # 6: LogLevelInfo
- # 7: LogLevelDebug
- # log_level = "7"
- # min_free_space specifies the min free space percent in a thin pool require for
- # new device creation to succeed. Valid values are from 0% - 99%.
- # Value 0% disables
- # min_free_space = "10%"
- # mkfsarg specifies extra mkfs arguments to be used when creating the base.
- # device.
- # mkfsarg = ""
- # use_deferred_removal marks devicemapper block device for deferred removal.
- # If the thinpool is in use when the driver attempts to remove it, the driver
- # tells the kernel to remove it as soon as possible. Note this does not free
- # up the disk space, use deferred deletion to fully remove the thinpool.
- # use_deferred_removal = "True"
- # use_deferred_deletion marks thinpool device for deferred deletion.
- # If the device is busy when the driver attempts to delete it, the driver
- # will attempt to delete device every 30 seconds until successful.
- # If the program using the driver exits, the driver will continue attempting
- # to cleanup the next time the driver is used. Deferred deletion permanently
- # deletes the device and all data stored in device will be lost.
- # use_deferred_deletion = "True"
- # xfs_nospace_max_retries specifies the maximum number of retries XFS should
- # attempt to complete IO when ENOSPC (no space) error is returned by
- # underlying storage device.
- # xfs_nospace_max_retries = "0"
- # Set to skip a PRIVATE bind mount on the storage home directory. Only supported by
- # certain container storage drivers
- skip_mount_home = "false"
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