Keane Lim ceea9dda0d Storage Guide update

Applied review feedback.

Fixed 'grey bars' formatting.
Fixed gerunds and lists
Added abbreviations and references

Change-Id: I104d678ce3ea52bddcbc141f8aad49ea1e1971db
Signed-off-by: Keane Lim <keane.lim@windriver.com>

2021-02-09 12:50:24 -05:00

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Storage on Worker Hosts

A worker host's root disk provides storage for host configuration files, local docker images, and hosted container's ephemeral filesystems.

Note

On Simplex or Duplex systems, worker storage is provided using resources on the combined host. For more information, see Storage on Controller Hosts <controller-hosts-storage-on-controller-hosts>.

Root Filesystem Storage

Space on the root disk is allocated to provide filesystem storage.

You can increase the allotments for the following filesystems using the Horizon Web interface interface or the CLI. Resizing must be done on a host-by-host basis for non-DRBD synced filesystems.

Docker Storage

The storage allotment for the docker image cache for this host, and for the ephemeral filesystems of containers on this host.

Kubelet Storage

The storage allotment for ephemeral storage related to kubernetes pods on this host.

Scratch Storage

The storage allotment for a variety of miscellaneous transient host operations.

Logs Storage

The storage allotment for log data. This filesystem is not resizable. Logs are rotated within the fixed space as allocated.

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Storage on Worker Hosts

Root Filesystem Storage

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