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doc: give pool name if default pool rbd is not created 

unless creating the default pool named to be "rbd",
it will fail without pointing the pool name when
using rbd command.

Signed-off-by: Changcheng Liu <changcheng.liu@intel.com>
This commit is contained in:
Liu Changcheng 2018-10-25 11:48:17 +08:00
parent ad63659f2d
commit be0ab24188
1 changed files with 4 additions and 4 deletions
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8
doc/start/quick-rbd.rst
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@ -62,23 +62,23 @@ Configure a Block Device
#. On the ``ceph-client`` node, create a block device image. ::
rbd create foo --size 4096 --image-feature layering [-m {mon-IP}] [-k /path/to/ceph.client.admin.keyring]
rbd create foo --size 4096 --image-feature layering [-m {mon-IP}] [-k /path/to/ceph.client.admin.keyring] [-p {pool-name}]
#. On the ``ceph-client`` node, map the image to a block device. ::
sudo rbd map foo --name client.admin [-m {mon-IP}] [-k /path/to/ceph.client.admin.keyring]
sudo rbd map foo --name client.admin [-m {mon-IP}] [-k /path/to/ceph.client.admin.keyring] [-p {pool-name}]
#. Use the block device by creating a file system on the ``ceph-client``
node. ::
sudo mkfs.ext4 -m0 /dev/rbd/rbd/foo
sudo mkfs.ext4 -m0 /dev/rbd/{pool-name}/foo
This may take a few moments.
#. Mount the file system on the ``ceph-client`` node. ::
sudo mkdir /mnt/ceph-block-device
sudo mount /dev/rbd/rbd/foo /mnt/ceph-block-device
sudo mount /dev/rbd/{pool-name}/foo /mnt/ceph-block-device
cd /mnt/ceph-block-device
#. Optionally configure the block device to be automatically mapped and mounted