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Docs: update the devicemapper default basesize from 10G to 100G

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Signed-off-by: Lei Jitang <leijitang@huawei.com>
Upstream-commit: 36cc6a985be61cdcd9356385bc722c5ccad636b9
Component: engine
This commit is contained in:
Lei
2015-07-21 20:46:31 +08:00
parent e8b152f0c3
commit 72f5aa2fcc
2 changed files with 6 additions and 6 deletions
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6
components/engine/docs/reference/commandline/daemon.md
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@ -201,9 +201,9 @@ options for `zfs` start with `zfs`.
* `dm.basesize`
Specifies the size to use when creating the base device, which limits the
size of images and containers. The default value is 10G. Note, thin devices
are inherently "sparse", so a 10G device which is mostly empty doesn't use
10 GB of space on the pool. However, the filesystem will use more space for
size of images and containers. The default value is 100G. Note, thin devices
are inherently "sparse", so a 100G device which is mostly empty doesn't use
100 GB of space on the pool. However, the filesystem will use more space for
the empty case the larger the device is.
This value affects the system-wide "base" empty filesystem

6
components/engine/man/docker.1.md
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@ -342,9 +342,9 @@ Example use: `docker -d --storage-opt dm.thinpooldev=/dev/mapper/thin-pool`
#### dm.basesize
Specifies the size to use when creating the base device, which limits
the size of images and containers. The default value is 10G. Note,
thin devices are inherently "sparse", so a 10G device which is mostly
empty doesn't use 10 GB of space on the pool. However, the filesystem
the size of images and containers. The default value is 100G. Note,
thin devices are inherently "sparse", so a 100G device which is mostly
empty doesn't use 100 GB of space on the pool. However, the filesystem
will use more space for base images the larger the device
is.