– Controllers (2) (for 1818 80C)
v Handles (4), packaged in a smaller box inside the shipping box
v DDMs (20 or more, depending on your DCS3700 order), packaged in a smaller box inside the shipping
box
v Bezel (1)
v Rack-mounting hardware kit (1), packaged in a smaller box inside the shipping box, including:
– Rails (2), right and left assembly
– Rear brackets (2)
– M5 black hex-head slotted screws (16)
Note: The screws are either preinstalled in the support rails or packaged in a plastic bag.
– Washers (8)
– Clip nuts (4)
Important: The DCS3700 does not ship with region-specific ac power cords. You must obtain the
IBM-approved power cords for your region. See Appendix D, “Power cords,” on page 153 for
more information.
Receiving product updates and support notifications
Be sure to download the latest versions of the following packages at the time of initial installation and
when product updates become available:
v DS Storage Manager host software
v DCS3700 storage system controller firmware and NVSRAM
v DCS3700 expansion unit ESM firmware
v Drive firmware
Important
Keep your system up-to-date with the latest firmware and other product updates by subscribing to
receive support notifications.
For more information about how to register for support notifications, see the Stay Informed section of
the IBM Disk Support Web site:
Best practices guidelines
To ensure optimal operation of your system, always follow these best practices guidelines:
v Ensure that your system is in an optimal state before you shut it down. Never turn the power off if
any Service Action Required LED is lit; be sure to resolve any error conditions before you shut down
the system.
v Back up the data on your storage drives periodically.
v To maintain power redundancy, plug the DCS3700 right and left power supplies into two independent
external power circuits through distribution units inside a rack cabinet or directly into external
receptacles. This ensures that the DCS3700 storage system and all its attached expansion enclosures
have power in the event that only one power circuit is available. In addition, having all the right or all
the left power cables plugged into the same power circuit enables the storage devices in the
configuration to power on simultaneously during an unattended restoration of power.
Note: Do not overload the circuits that power your storage subsystem and storage expansion
enclosures. Use additional pairs of power distribution units (PDUs) if necessary. Refer to Table 9
on page 19
Chapter 1. Introduction 5
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