Dell PowerVault MD3000i Hardware Owner's Manual - Page 62

Removing and Installing a RAID Controller, Module Backup Battery Unit

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Removing and Installing a RAID Controller Module Backup Battery Unit Each RAID controller module has a battery unit that provides backup power for the data cache memory. The battery unit is mounted inside the RAID controller module and connects to the controller circuit board. This section describes how to remove and replace the battery unit. CAUTION: Only trained service technicians are authorized to remove the enclosure cover and access any of the components inside the enclosure. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the enclosure and protecting against electrostatic discharge. NOTICE: RAID controller modules are hot-pluggable and can be removed and installed without shutting down the enclosure. However, removing a controller module on which data traffic is occurring could cause data loss and is not recommended. Use the MD Storage Manager to take the RAID controller module offline before removal. CAUTION: Always wear a wrist grounding strap when handling equipment with static-sensitive components. See your Product Information Guide for safety information. 1 Use MD Storage Manager to place the RAID controller module offline. See the MD Storage Manager documentation for more information. 2 Remove the RAID controller module (see "Removing and Installing a RAID Controller Module" on page 60). 3 Remove the screws holding the battery cover and remove the cover (see Figure 3-5). 62 Installing Enclosure Components

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62
Installing Enclosure Components
Removing and Installing a RAID Controller
Module Backup Battery Unit
Each RAID controller module has a battery unit that provides backup power
for the data cache memory. The battery unit is mounted inside the RAID
controller module and connects to the controller circuit board. This section
describes how to remove and replace the battery unit.
CAUTION:
Only trained service technicians are authorized to remove the
enclosure cover and access any of the components inside the enclosure. Before
performing any procedure, see your
Product Information Guide
for complete
information about safety precautions, working inside the enclosure and protecting
against electrostatic discharge.
NOTICE:
RAID controller modules are hot-pluggable and can be removed and
installed without shutting down the enclosure. However, removing a controller
module on which data traffic is occurring could cause data loss and is not
recommended. Use the MD Storage Manager to take the RAID controller module
offline before removal.
CAUTION:
Always wear a wrist grounding strap when handling equipment with
static-sensitive components. See your
Product Information Guide
for safety
information.
1
Use MD Storage Manager to place the RAID controller module offline.
See the MD Storage Manager documentation for more information.
2
Remove the RAID controller module (see "Removing and Installing a
RAID Controller Module" on page 60).
3
Remove the screws holding the battery cover and remove the cover (see
Figure 3-5).