3.
Replace
[
data-node-hostname
]
with the host name of the Data Node to
remove from the Data Store.
4.
Copy the updated command, paste it in the command prompt, and press Enter to
remove the Data Node. Note that this may take a while.
Replace a Data Node with a Spare Data Node with a
Different IP Address
Contact Cisco Professional Services for assistance with planning and
implementing these tasks.
Preparing the Data Store for Replacing a Failed Data Node
l
Back up the Data Store. See
for more information.
l
Add the spare Data Node to the Data Store. See
for
more information.
Replace the Data Node
If Vertica is still running on the Data Node that you want to replace, stop Vertica. Then,
replace the prior Data Node with the new Data Node and distribute the necessary
configuration to the new Data Node. Remove the prior Data Node, and restart the new
Data Node.
Stop Vertica on a Data Node
If the Data Node that you want to remove is still running Vertica, stop Vertica on that
Data Node. If that Data Node is down or otherwise not running Vertica, skip to the next
step.
Before You Begin
l
Log into a Data Node's console as
root
.
Procedure
1.
Enter
su - dbadmin
and press Enter to run the following commands as the
dbadmin
user.
2.
Copy the following command and paste it in a plaintext editor:
/opt/vertica/bin/admintools -t stop_host -s [
node-ip-
addresses
]
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Data Store Maintenance
