2
NetApp® E-Series Storage Systems: Replacing an ESM Canister in the DE6600 Drive Tray
5. Check the ESM Service Action Required LED to locate the failed ESM canister (
).
Figure 1 LEDs on the ESM Canister
1.
ESM
Link Fault LED (Port 1A Bypass) (Green)
2.
ESM
Link LED (Port 1A Data Rate) (Green)
3.
ESM
Link LED (Port 1B Data Rate) (Green)
4.
ESM
Link Fault LED (Port 1B Bypass) (Green)
5.
ESM
Service Action Allowed LED (Blue)
6.
ESM
Service Action Required LED (Amber)
7.
ESM
Power LED (Green)
8.
Seven-Segment Tray ID
If a fault is detected, the amber ESM Service Action Required LED is on. If you can safely remove the ESM canister,
the blue ESM Service Action Allowed LED is on.
6. On the failed ESM canister, label all of the attached cables with information so that you can connect the cables correctly
on the replacement ESM canister.
ATTENTION Possible loss of hardware
–
To avoid taking the wrong ESM canister offline, contact your Technical
Support representative before performing step
.
7. If the Recovery Guru has directed you to replace the ESM canister and the blue ESM Service Action Allowed LED is
not on, type this command on the command line, and press
Enter
:
SMcli <
ctrl_IP1
> -c “Set tray [
trayID
] esm [top|bottom] service Allowed
Indicator=on;”
In this command:
—
<
ctlr_IP1
>
is the identifier of the controller to which the drive tray is assigned.
—
[
trayID
]
is the identifier of the drive tray that contains the ESM canister you want to replace. Drive tray ID
values are 0 to 99. Be sure to type the square brackets around the identifier.
—
[top|bottom]
is the identifier of the ESM canister you want to replace. Valid values are
top
or
bottom
. Be
sure to type the square brackets around the value.
8. Remove all cables attached to the ESM canister.
