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Notes about config and vitastor-disk cache status

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Vitaliy Filippov
2023-04-29 00:08:24 +03:00
parent 04cfb48361
commit d9c0898b7c
4 changed files with 39 additions and 17 deletions
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docs/config.en.md
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@@ -17,14 +17,16 @@ Configuration parameters can be set in 3 places:
- Configuration file (`/etc/vitastor/vitastor.conf` or other path)
- etcd key `/vitastor/config/global`. Most variables can be set there, but etcd
connection parameters should obviously be set in the configuration file.
- Command line of Vitastor components: OSD, mon, fio and QEMU options,
OpenStack/Proxmox/etc configuration. The latter doesn't allow to set all
variables directly, but it allows to override the configuration file and
set everything you need inside it.
- Command line of Vitastor components: OSD (when you run it without vitastor-disk),
mon, fio and QEMU options, OpenStack/Proxmox/etc configuration. The latter
doesn't allow to set all variables directly, but it allows to override the
configuration file and set everything you need inside it.
- OSD superblocks created by [vitastor-disk](../usage/disk.en.md) contain
primarily disk layout parameters of specific OSDs. In fact, these parameters
are automatically passed into the command line of vitastor-osd process, so
they have the same "status" as command-line parameters.
In the future, additional configuration methods may be added:
- OSD superblock which will, by design, contain parameters related to the disk
layout and to one specific OSD.
- OSD-specific keys in etcd like `/vitastor/config/osd/<number>`.
## Parameter Reference