X-Git-Url: https://git.proxmox.com/?p=pve-docs.git;a=blobdiff_plain;f=pve-storage-rbd.adoc;h=a94cade8f5293fed44976d5225254f5917af47b2;hp=f8edf85e75807bda2e4c437731ca5fbd3d8d188d;hb=7d6078845fa6a3bd308c7dc843273e56be33f315;hpb=8c1189b640ae7d10119ff1c046580f48749d38bd diff --git a/pve-storage-rbd.adoc b/pve-storage-rbd.adoc index f8edf85..a94cade 100644 --- a/pve-storage-rbd.adoc +++ b/pve-storage-rbd.adoc @@ -1,6 +1,10 @@ +[[ceph_rados_block_devices]] Ceph RADOS Block Devices (RBD) ------------------------------ -include::attributes.txt[] +ifdef::wiki[] +:pve-toplevel: +:title: Storage: RBD +endif::wiki[] Storage pool type: `rbd` @@ -15,14 +19,15 @@ storage, and you get the following advantages: * full snapshot and clone capabilities * self healing * no single point of failure -* scalable to the exabyte level -* kernel and unser space implementation available +* scalable to the exabyte level +* kernel and user space implementation available NOTE: For smaller deployments, it is also possible to run Ceph services directly on your {pve} nodes. Recent hardware has plenty of CPU power and RAM, so running storage services and VMs on same node is possible. +[[storage_rbd_config]] Configuration ~~~~~~~~~~~~~ @@ -31,7 +36,8 @@ This backend supports the common storage properties `nodes`, monhost:: -List of monitor daemon IPs. +List of monitor daemon IPs. Optional, only needed if Ceph is not running on the +PVE cluster. pool:: @@ -39,18 +45,19 @@ Ceph pool name. username:: -RBD user Id. +RBD user Id. Optional, only needed if Ceph is not running on the PVE cluster. krbd:: -Access rbd through krbd kernel module. This is required if you want to -use the storage for containers. +Enforce access to rados block devices through the krbd kernel module. Optional. -.Configuration Example (`/etc/pve/storage.cfg`) +NOTE: Containers will use `krbd` independent of the option value. + +.Configuration Example for a external Ceph cluster (`/etc/pve/storage.cfg`) ---- -rbd: ceph3 +rbd: ceph-external monhost 10.1.1.20 10.1.1.21 10.1.1.22 - pool ceph3 + pool ceph-external content images username admin ---- @@ -60,8 +67,8 @@ TIP: You can use the `rbd` utility to do low-level management tasks. Authentication ~~~~~~~~~~~~~~ -If you use `cephx` authentication, you need to copy the keyfile from -Ceph to Proxmox VE host. +If you use `cephx` authentication, you need to copy the keyfile from your +external Ceph cluster to a Proxmox VE host. Create the directory `/etc/pve/priv/ceph` with @@ -74,6 +81,9 @@ Then copy the keyring The keyring must be named to match your ``. Copying the keyring generally requires root privileges. +If Ceph is installed locally on the PVE cluster, this is done automatically by +'pveceph' or in the GUI. + Storage Features ~~~~~~~~~~~~~~~~