3 navsection: installguide
4 title: Filesystem storage
7 Copyright (C) The Arvados Authors. All rights reserved.
9 SPDX-License-Identifier: CC-BY-SA-3.0
12 Keepstore can store data in local and network-attached POSIX filesystems.
14 h2. Setting up filesystem mounts
16 Volumes are configured in the @Volumes@ section of the configuration file. You may provide multiple volumes for a single keepstore process to manage multiple disks. Keepstore distributes blocks among volumes in round-robin fashion.
20 - # The volume type, indicates this is a filesystem directory.
23 # The directory that will be used as the backing store.
26 # How much replication is performed by the underlying filesystem.
27 # (for example, a network filesystem may provide its own replication).
28 # This is used to inform replication decisions at the Keep layer.
29 DirectoryReplication: 1
31 # If true, do not accept write or trash operations, only reads.
34 # When true, read and write operations (for whole 64MiB blocks) on
35 # an individual volume will queued and issued serially. When
36 # false, read and write operations will be issued concurrently.
38 # May improve throughput if you experience contention when there are
39 # multiple requests to the same volume.
41 # When using SSDs, RAID, or a parallel network filesystem, you probably
45 # Storage classes to associate with this volume. See "Storage
46 # classes" in the "Admin" section of doc.arvados.org.
49 # Example of a second volume section
50 - DirectoryReplication: 2
52 Root: /mnt/network-disk