You can safely power off a node canister to service the
node canister.
Attention: After powering off a node canister
using this procedure, a physical reseat of the canister will be required
to power it back on. The reseat procedure requires physical access
to the enclosure and is described in
Procedure: Reseating a Lenovo Storage V7000 Gen2 node canister.
While a node canister is powered off, some volumes can become
inaccessible. Refer to Procedure: Understanding Lenovo Storage V7000 Gen2 volume dependencies to determine
whether it is appropriate to continue this procedure.
If your
system is powered on and doing I/O operations, it is important that
the system is powered off correctly to ensure that no data is lost.
If possible, always use the fix procedures that are presented by the management GUI to manage and maintain your system. The fix procedures ensure that
the canister is powered off safely.
To power off a node canister, complete the following
steps:
- Go to the service assistant for the node with the canister
to shut down.
- On the home page, select the node canister to shut down.
- If you intend to do maintenance of the node canister, click Identify to light the Identify LED on the canister. Confirm
that you know the location of the node canister.
- Use the Power off action to power
off the canister.
- After the node is powered off, the service assistant shows
that the node status is offline. The status LEDs on the canister indicate
that the node is powered off.