Architecture
Hello All,
Today we will discuss about the EMC Symmetrix Architecture and about it's components. To have a look on the core elements of the Data Center click on the below link.
Components
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| Symmetrix DMX |
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| Rear view of Symmetrix DMX |
Description
- It is a high-end storage array.
- It is an active-active architecture.
- It has 24 directories. 8 - FA directories, 8 - DA directories and 8 - global directories.
- It will support up to 128 point-to-point serial connections.
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| Front View of System Bay |
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| Rear view of System Bay |
- FA's are used for host i/o requests.
- DA's are used to communicate with the back-end disks.
- The DA's are connected through Link Control Cards (LCC).
- Each FA has 4 processors named as A, B, C and D and each processor has 2 ports named as 0 and 1.
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| Image of DMX Array |
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| Image of DAE & SPS |
- The speed of the FA directories is 4 Gbps and the speed of the DA directories is 2 Gbps.
- The FA's directories are paired using rule 17 for redundancy.
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| Rule 17 |
- There are 2XCM modules which are connected to service processors, it will send a message to EMC in case of hardware failures.
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| A full view of Symmertix DMX Array |
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| A rear view of Symmertix DMX Array |
To know about the history of EMC Symmetrix array, refer the link below.
http://www.sanadmin.net/2016/04/symmetrix-models.html
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