enable-high-availability
Warning
SingleStore 9.0 gives you the opportunity to preview, evaluate, and provide feedback on new and upcoming features prior to their general availability. In the interim, SingleStore 8.9 is recommended for production workloads, which can later be upgraded to SingleStore 9.0.
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Description
Enable high availability (HA).redundancy_
of the Master Aggregator
from 1 to 2, and evenly assign leaves to availability groups 1 and 2 by removing and re-adding them.
Run enable-high-availability --precheck-only
to verify if high availability can be enabled on the cluster.
Usage
Usage:
sdb-admin enable-high-availability [flags]
For flags that can accept multiple values (indicated by VALUES after the name of the flag),
separate each value with a comma.
Flags:
-h, --help Help for enable-high-availability
--load-balanced Change the leaf_failover_fanout mode to load_balanced
--precheck-only Check if High Availability can be enabled on the connected cluster
--skip-colocate-check Do not check whether the colocation of a leaf pair is necessary
--skip-disk-check Do not check that each leaf node's host has at least half of its disk space free
Global Flags:
--backup-cache FILE_PATH File path for the backup cache
--cache-file FILE_PATH File path for the Toolbox node cache
-c, --config FILE_PATH File path for the Toolbox configuration
--disable-colors Disable color output in console, which some terminal sessions/environments may have difficulty with
--disable-spinner Disable the progress spinner, which some terminal sessions/environments may have issues with
-j, --json Enable JSON output
--parallelism POSITIVE_INTEGER Maximum number of operations to run in parallel
--runtime-dir DIRECTORY_PATH Where to store Toolbox runtime data
--ssh-control-persist SECONDS Enable SSH ControlPersist and set it to the specified duration in seconds
--ssh-max-sessions POSITIVE_INTEGER Maximum number of SSH sessions to open per host, must be at least 3
--ssh-strict-host-key-checking Enable strict host key checking for SSH connections
--ssh-user-known-hosts-file FILE_PATH Path to the user known_hosts file for SSH connections. If not set, /dev/null will be used
--state-file FILE_PATH Toolbox state file path
-v, --verbosity count Increase logging verbosity: valid values are 1, 2, 3. Usage -v=count or --verbosity=count
-y, --yes Enable non-interactive mode and assume the user would like to move forward with the proposed actions by default
Remarks
This command is interactive unless you use either --yes
or --json
flag to override interactive behavior.
Last modified: October 6, 2023