Specifications

5-14 Sun StorEdge A1000 and A3x00/A3500FC Best Practices Guide • November 2002
■ The battery has a service life of two years. After two years, it needs to be
replaced. A fresh battery will guarantee that the data saved in the controller’s
cache memory will be kept live for up to the design specification of 72 hours.
■ See the sections “To Replace Old Batteries” and “To Replace New Batteries” in the
Sun StorEdge RAID Manager 6.22.1 Release Notes for more information on replacing
old and new batteries.
5.2.9 Cooling
See Section 7.1 “Recovering From a Power Supply Thermal Shutdown” in the Sun
StorEdge A3500/A3500FC Controller Module Guide for further steps to take in the event
of a cooling related problem.
5.2.10 Disk Drives
Do not install disk drives from other arrays into an A3x00/A3500FC (for example,
A1000, A3000, etc). This can cause DacStore corruption in the array and will require
another download of the NVSRAM file to repair. For further information regarding
NVSRAM, refer to the nvsram_versions file in the following internal directory:
/net/artemas.ebay/global/archive/StorEdge_Products
/sonoma/nvsram/nvsram_versions
When you replace a disk drive, if it is not already in the failed state, make sure you
use RAID Manager 6 to fail it before removing the disk drive. Then replace the disk
drive and use RAID Manager 6 GUI to bring the new disk drive into the
configuration.
Swapping drives without first using RAID Manager 6 to fail it or removing and
replacing a drive when the controller is powered off can result in phantom disk
drives or phantom LUNs. Further, it will require serial port access to remove the
phantom drive. This applies to the Global Hot Spare (GHS) drive as well.
5.2.11 Disk Tray
Refer to Chapter 3 in the Sun StorEdge A1000/D1000 Installation, Operations and
Service Manual for detailed instructions on removing and replacing components.
Power to the disk tray needs to be turned off while replacing the following disk tray
components:
■ The D1000 interface board (see FIN I0670-1 for proper procedure)