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AX4-5 Series

Hardware and Operational

Overview

January 4, 2010

This overview describes the major hardware features of AX4-5 series
storage systems.

For greater clarity, the illustrations in this document show the storage-system
chassis independent of a cabinet or deskside mounting

Topics include

Storage-system components ........................................................... 2

Disk and filler modules.................................................................. 5

Storage processors (SPs)................................................................. 7

Link control cards (LCCs) .............................................................. 8

Power/cooling modules ................................................................ 9

Standby power supplies (SPSs)....................................................... 10

Powerup and powerdown sequence ............................................... 11

Status lights and indicators ............................................................ 15

Содержание AX4-5

Страница 1: ...rity the illustrations in this document show the storage system chassis independent of a cabinet or deskside mounting Topics include Storage system components 2 Disk and filler modules 5 Storage proce...

Страница 2: ...storage systems from any qualified workstation on a shared Ethernet LAN Sophisticated RAID redundant array of independent disk technology and data caching prevent data loss in case of component failur...

Страница 3: ...ply on Fibre SP service SP management SP fault LED SP power LED Figure 1 AX4 5 DPE AX rear view two FC port version Figure 2 shows an AX4 5i DPE AX which has iSCSI instead of Fibre Channel I O modules...

Страница 4: ...ional disk array enclosures DAE AXs Like the DPE AX each DAE AX includes two power cooling modules and can contain a total of twelve disk drives Instead of SPs a DAE AX has two link control cards LCCs...

Страница 5: ...PN 123456789 REV 123 SATA SATA 500 500 GB GB 7 2K RPM 7 2K RPM SN 1234ABCD1234ABC 123 BPS PN 123456789 REV 123 SATA SATA 500 500 GB GB 7 2K RPM 7 2K RPM SN 1234ABCD1234ABC 123 BPS PN 123456789 REV 12...

Страница 6: ...the FLARE operating environment OE that supports each disk refer to the Disk and FLARE OE Matrix under Technical description on the Learn page on the storage system support website or contact your ser...

Страница 7: ...d control center Besides the processor board and memory DIMM each SP includes an I O module that determines the connection protocol to host servers DPE AX systems with two SPs support write caching fo...

Страница 8: ...t connector An LCC receives input from the previous SP or LCC on the bus through a primary connector marked by a circle symbol and can pass input to the next LCC on the bus through an expansion connec...

Страница 9: ...s and provide power and cooling for an entire enclosure An SP LCC or power cooling module with power related faults does not adversely affect the operation of any other component If one power cooling...

Страница 10: ...ch SPS rear panel has one AC inlet power connector with power switch AC outlets for the DPE AX SPs and one connector for serial connection to an SP Figure 8 shows the SPS connectors and status lights...

Страница 11: ...e The power cord for power cooling module B is plugged into the nearest power distribution unit on a different circuit feed than the SPS or module A In systems with two SPSs power cooling module B is...

Страница 12: ...924 S N VVVYYWWRRRRR VVVYYWWRRRRR CL3882 B A Figure 9 Power cord and serial sense cable connections 2 Turn on the master switch circuit breakers for each cabinet rack power strip The DAE AXs power up...

Страница 13: ...M SN 1234ABCD1234ABC 123 BPS PN 123456789 REV 123 SATA SATA 500 500 GB GB 7 2K RPM 7 2K RPM SN 1234ABCD1234ABC 123 BPS PN 123456789 REV 123 SATA SATA 500 500 GB GB 7 2K RPM 7 2K RPM SN 1234ABCD1234ABC...

Страница 14: ...ck up critical data and then unmount the file systems on storage system virtual disks Stopping I O allows the SP to save any cache data to the system drives and may take some time The length of time d...

Страница 15: ...K RPM 7 2K RPM SN 1234ABCD1234ABC 123 BPS PN 123456789 REV 123 SATA SATA 500 500 GB GB 7 2K RPM 7 2K RPM SN 1234ABCD1234ABC 123 BPS PN 123456789 REV 123 SATA SATA 500 500 GB GB 7 2K RPM 7 2K RPM SN 12...

Страница 16: ...countered a problem SP fault 1 per SP Off SP is operating normally or is shut down Solid green On the left this indicates an established link SP management 2 Blinking green On the right this indicates...

Страница 17: ...9 REV 123 SATA SATA 500 500 GB GB 7 2K RPM 7 2K RPM SN 1234ABCD1234ABC 123 BPS PN 123456789 REV 123 SATA SATA 500 500 GB GB 7 2K RPM 7 2K RPM SN 1234ABCD1234ABC 123 BPS PN 123456789 REV 123 SATA SATA...

Страница 18: ...LCC is receiving ac power LCC power 1 per LCC Off No power LCC fault 1 per LCC Solid amber LCC has encountered a problem Solid green Indicates normal connection LCC connectivity 2 per LCC Blinking gre...

Страница 19: ...lt amber Figure 17 SPS status lights and indicators Table 5 Standby power supply SPS status lights and indicators LED Quantity State Meaning Solid green SPS is operating normally SPS active 1 per SPS...

Страница 20: ...CALLY DISCLAIMS IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Use copying and distribution of any EMC software described in this publication requires an applicable software...