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07-02-2021 12:39 AM
07-02-2021 12:39 AM
Hello.
The "HPE MSA 1060/2060/2062 Installation Guide" specifies only Straight-through cabling for disk enclosures, but not a word about Fault-tolerant cabling.
For MSA storage systems of the previous generation, the document "MSA 2050 Cable Configuration Guide" described two types of connection (Fault-tolerant cabling and Straight-through cabling), but I could not find a similar document for MSA 2060/2062.
Please tell me if this means that Fault-tolerant cabling of disk enclosures to MSA 2062 storage systems is no longer supported by HPE?
We connected 2 LFF disk enclosures to MSA 2062 storage systems in a ring pattern (Fault-tolerant). The storage system did not issue any warnings and disk groups from all disks from the enclosures were successfully created.
However, we are confused by the fact that the Fault-tolerant cabling is not described in the documentation.
Solved! Go to Solution.
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07-02-2021 02:58 AM
07-02-2021 02:58 AM
SolutionHi,
yes, no longer support for so-called ‘fault-tolerant’ SAS cabling for disk enclosures.
This is one from top to bottom and the other Path from bottom to top.
HPE says: Fault-tolerant cabling does not provide any meaningful increase to availability and is slightly less performant.
Only "straight-through", this is both from the top (Controller) to bottom cabling is now supported.
Cali
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07-02-2021 03:26 AM