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storage management, copy service options, and optional advanced disaster
recovery functions are available for the DS5020, including FlashCopy
®
,
VolumeCopy, and Enhanced Remote Mirroring.
The DS5020 supports up to four hosts in a redundant direct-attached Fibre Channel
configuration. When using Fibre Channel or Ethernet switches, you can redundantly
connect up to 512 hosts to the DS5020 FC and iSCSI host ports. You can order up
to 128 storage partitions for the DS5020.
The DS5020 storage subsystem has ac power and fan units.
The DS Storage Manager client is also available for the DS5020. This storage
management software is designed to help centralize storage management, help
simplify partitioning of the DS5020 storage subsystem, and strategically allocate
storage capacity to maximize storage space.
Base DS5020 features
The base DS5020 storage subsystem is a 3U rack-mount enclosure with the
following features.
Note: Depending on the configuration options that were purchased with your
DS5020, your hardware features might differ slightly from those in this list.
v Dual RAID controllers, one of the configurations in the following list:
– Controllers with 1 GB memory, two standard 8 Gbps FC host ports, and two
standard 4 Gbps FC drive channel ports
– Controllers with 1 GB memory, two standard 8 Gbps FC host ports, one
optional 2-port 8 Gbps FC host card, and two standard 4 Gbps FC drive
channel ports
– Controllers with 1 GB memory, two standard 8 Gbps FC host ports, one
optional 2-port 1 GB iSCSI host card, and two standard 4 Gbps FC drive
channel ports
– Controllers with 2 GB memory, two standard 8 Gbps FC host ports, and two
standard 4 Gbps FC drive channel ports
– Controllers with 2 GB memory, two standard 8 Gbps FC host ports, one
optional 2-port 8 Gbps FC host card, and two standard 4 Gbps FC drive
channel ports
– Controllers with 2 GB memory, two standard 8 Gbps FC host ports, one
optional 2-port 1 GB iSCSI host card, and two standard 4 Gbps FC drive
channel ports
v Four or eight 8 Gbps FC Small Form-factor Pluggable transceivers (SFPs)
Note: These SFPs will be included only if the DS5020 controllers purchased
have the four additional Fibre Channel host ports
v Four 4 Gbps FC Small Form-factor Pluggable transceivers (SFPs)
v Dual AC power and fan units
v Two PDU power cords
v Rack-mounting kit
v Version 7.60 firmware (preinstalled on the controller)
v IBM Documentation CD
v Access to educational information about the DS5020 at http://
ibmdsseriestraining.com/.
2 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide