Bull DPX/20, Installing And Maintaining

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4–16
Installing and Maintaining a DAS 150
5. Turn the card over, and install the battery in the card as shown below.
Installing the battery in the write-cache memory card
A
. Remove battery holder
and battery from box.
Battery holder
Battery
C . Hold card so side with words
WRITE PROTECT is down.
D . With screw on right, insert
battery and holder into card.
E
. Tighten screw using
triangular tool.
Screw
B . Hold battery holder with
screw on right, and insert
battery with plus (+) side
up into holder.
6. Remove and store the ESD wristband.
The card is ready to install in the SP (page 4–9).
Replacing the battery
You should replace the battery if the card failed with either a FAILED BATTERY or
LOW BATTERY error. You can check the card’s state using either the ArrayGUIde
utility or
dassmgr . The ArrayGUIde utility is described in the ArrayGUIde manual,
and
dassmgr
is described in the manual on configuring and managing the storage
system. If you removed or installed the card while the storage system was powered
up, you should remove and reinstall the battery to make sure the card is useable.
CAUTION A replacement battery must be the same type as the original battery. Using an
incorrect type of battery may cause an explosion.
The battery is a panasonic 3V BR2325 .
"
To replace or remove and reinstall the battery in the write-cache memory card
1. Shut down the server’s operating system.
2. Power down the storage system.
3. Attach the clip of the ESD wristband (strap) to the metal chassis of the storage
system (page 4–4), and put the wristband around your wrist with the metal
button against your skin.
4. Remove the write-cache card from the SP (page 4–13).