System:maintenance, System:messages – Dell Acceleration Appliances for Databases User Manual

Page 109

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system:maintenance

Sets maintenance mode on or off. Maintenance mode disables all storage access, but
management tasks are available. Entering maintenance mode is useful when hardware needs to
be replaced in a server, for example.

Syntax

system:maintenance [options] mode

Options

--wait

or

–w

<integer> Maximum seconds to wait for the system to respond to the update

request. Use

--wait 0

to return immediately.

–-node

or

-n

<address(es)>

Issue this command to one or more nodes in the cluster.

--cluster

Issue this command to all nodes in the cluster.

(See

help –-all

for details on all other options.)

Arguments

mode

on

to enter maintenance mode;

off

to exit maintenance mode

Example

This turns on maintenance mode so hardware changes can be made safely in the ION Accelerator
system:

> system:maintenance on

system:messages

Displays ION Accelerator system messages, if any, such as system alerts.

Syntax

system:messages [options]

Options

–-clear

or

-c

Clear the system messages after displaying them.

(See

help –-all

for details on all other options.)

Example

This captures ION Accelerator system messages and saves them in the

messages1.txt

file:

system:messages –output-file messages1.txt

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