IBM System Storage DS4000, Hardware Manual

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IBM Midrange System Storage Hardware Guide
2.10 64 GB cache upgrade for the DS5100 and DS5300
With controller firmware version (CFW) 7.60, the DS5300 allows a cache size of 32 GB per
controller. There are field upgrade options in different configurations available.
These options are available:
򐂰 8 GB to 16 GB
򐂰 8 GB to 32 GB
򐂰 8 GB to 64 GB
򐂰 16 GB to 32 GB
򐂰 16 GB to 64 GB
򐂰 32 GB to 64 GB
2.11 Remote Support Manager Hardware Model RS2
IBM System Storage DS Remote Support Manager for Storage (DS-RSM) Model RS2 is
designed to manage and analyze alert notifications with accuracy, efficiency, and
cost-effectiveness. DS-RSM Model RS2 replaces the DS-RSM Model RS1 (1818-RS1) and
has the following characteristics:
򐂰 Enhanced with a processor and memory technology upgrade
򐂰 Designed to provide fast response time to alerts
򐂰 Offers detailed information about each alert for error analysis
򐂰 Designed to manage up to 50 DS5000/DS4000/DS3000 storage systems per
implementation
򐂰
Sends log and status information along with the alert to IBM for problem resolution
򐂰 Enables the IBM service support center to dispatch inquiries to determine problem and
speed problem resolution
For additional information about the DS-RSM, go to the following address:
http://www-03.ibm.com/systems/storage/disk/rsm/index.html
See Chapter 6, “IBM Remote Support Manager for Storage” on page 285 for implementation
details.
2.12 Increased drive support for the DS5100 and DS5300
Beginning with firmware 7.40, 448 drives are supported for a redundant drive channel pair on
DS5100 and DS5300 storage systems.
With the introduction of the EXP5060 storage expansion enclosure, DS5100 and DS5300
storage subsystems can now be configured with eight EXP5060s that support a maximum of
480 SATA hard drives.