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Single Node Installs: Storage and Backup Guidelines
General storage recommentations for single-node instances
-
/data
is where the standalone deployment installs PostgreSQL data and Element Deployment data. It should be a distinct mount point.
- Ideally this would have an independent lifecycle from the server itself
- Ideally this would be easily snapshot-able, either at a filesystem level or with the backing storage
Adminbot storage:
- Files stored with uid=10006/gid=10006, default config uses
/data/element-deployment/adminbot
for single-node instances
- Storage space required is proportional to the number of user devices on the server. 1GB is sufficient for most servers
Auditbot storage:
- Files stored with uid=10006/gid=10006, sample config uses
/data/element-deployment/auditbot
for single-node instances
- Storage space required is proportional to the number of events tracked.
Synapse storage:
Postgres (in-cluster) storage:
- Files stored with uid=999/gid=999, default config uses
/data/postgres
for single-node instances
Backup Guidance:
-
Adminbot:
- Backups should be made by taking a snapshot of the PV (ideally) or rsyncing the backing directory to backup storage
-
Auditbot:
- Backups should be made by taking a snapshot of the PV (ideally) or rsyncing the backing directory to backup storage
-
Synapse Media:
- Backups should be made by taking a snapshot of the PV (ideally) or rsyncing the backing directory to backup storage
-
Postgres (in-cluster):
- Backups should be made by
kubectl -n element-onprem exec -it postgres-synapse-0 -- sh -c 'pg_dump -U $POSTGRES_USER $POSTGRES_DB' > synapse_postgres_backup_$(date +%Y%m%d-%H%M%S).sql
-
Postgres (external):
- Backup procedures as per your DBA
-
Configuration:
- Please ensure that your entire configuration directory (that contains at least
parameters.yml
& secrets.yml
but may also include other sub-directories & configuration files) is regularly backed up
- The suggested configuration path in Element's documentation is
~/.element-onpremise-config
but could be anything. It is whatever directory you used with the installer.