ONTAP Hardware

Active/Active cluster cabling

KemDatacenter
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We have NetApp Active/Active cluster already configured (by outside organization) with two FAS3020 filers, two SAS and two SATA shelves. Each Filer owns one SAS and one SATA shelf. SAS shelves have ESH2 modules, SATA shelves have AT-FCX modules. I'm trying to understand its cabling. Active/Active Configuration Guide says cabling for standard active/active configuration should be as follows:

FAS1 0a to shelf SAS1 A-In

shelf SAS1 A-Out to shelf SATA1 A-In

on the SATA1 terminate switch to on

FAS1 0b to shelf SAS2 B-In

shelf SAS2 B-Out to shelf SATA2 B-In

on the SATA2 terminate switch to on

FAS2 0a to shelf SAS2 A-In

shelf SAS2 A-Out to shelf SATA2 A-In

on the SATA2 terminate switch to on

FAS2 0b to shelf SAS1 B-In

shelf SAS1 B-Out to shelf SATA1 B-In

on the SATA1 terminate switch to on

In fact we have following cabling:

FAS1 0a - SAS1 A-In

FAS1 0b - SATA1 A-In

FAS1 0c - SAS2 A-In

FAS1 0d - SATA3 A-In

FAS2 0a - SAS2 B-In

FAS2 0b - SATA1 B-In

FAS2 0c - SAS2 B-In

FAS2 0d - SATA3 B-In

And I don't see any "terminate switches" there.

Can somebody explain me what type of configuration we have? It doesn't conform to what documentation says.

Here is the ouput from Filer 1:

fas1> storage show disk -p

PRIMARY PORT  SECONDARY PORT SHELF BAY

------- ----  --------- ---- ---------

0a.16    B                     1    0

0a.17    B                     1    1

0a.18    B                     1    2

0a.19    B                     1    3

0a.20    B                     1    4

0a.21    B                     1    5

0a.22    B                     1    6

0a.23    B                     1    7

0a.24    B                     1    8

0a.25    B                     1    9

0a.26    B                     1   10

0a.27    B                     1   11

0a.28    B                     1   12

0a.29    B                     1   13

0b.48    B                     3    0

0b.49    B                     3    1

0b.50    B                     3    2

0b.51    B                     3    3

0b.52    B                     3    4

0b.53    B                     3    5

0b.54    B                     3    6

0b.55    B                     3    7

0b.56    B                     3    8

0b.57    B                     3    9

0b.58    B                     3   10

0b.59    B                     3   11

0b.60    B                     3   12

0b.61    B                     3   13

0c.32    A                     2    0

0c.33    A                     2    1

0c.34    A                     2    2

0c.35    A                     2    3

0c.36    A                     2    4

0c.37    A                     2    5

0c.38    A                     2    6

0c.39    A                     2    7

0c.40    A                     2    8

0c.41    A                     2    9

0c.42    A                     2   10

0c.43    A                     2   11

0c.44    A                     2   12

0c.45    A                     2   13

0d.64    A                     4    0

0d.65    A                     4    1

0d.66    A                     4    2

0d.67    A                     4    3

0d.68    A                     4    4

0d.69    A                     4    5

0d.70    A                     4    6

0d.71    A                     4    7

0d.72    A                     4    8

0d.73    A                     4    9

0d.74    A                     4   10

0d.75    A                     4   11

0d.76    A                     4   12

0d.77    A                     4   13

And from Filer 2:

FAS2> storage show disk -p

PRIMARY PORT  SECONDARY PORT SHELF BAY

------- ----  --------- ---- ---------

0a.16    A                     1    0

0a.17    A                     1    1

0a.18    A                     1    2

0a.19    A                     1    3

0a.20    A                     1    4

0a.21    A                     1    5

0a.22    A                     1    6

0a.23    A                     1    7

0a.24    A                     1    8

0a.25    A                     1    9

0a.26    A                     1   10

0a.27    A                     1   11

0a.28    A                     1   12

0a.29    A                     1   13

0b.48    A                     3    0

0b.49    A                     3    1

0b.50    A                     3    2

0b.51    A                     3    3

0b.52    A                     3    4

0b.53    A                     3    5

0b.54    A                     3    6

0b.55    A                     3    7

0b.56    A                     3    8

0b.57    A                     3    9

0b.58    A                     3   10

0b.59    A                     3   11

0b.60    A                     3   12

0b.61    A                     3   13

0c.32    B                     2    0

0c.33    B                     2    1

0c.34    B                     2    2

0c.35    B                     2    3

0c.36    B                     2    4

0c.37    B                     2    5

0c.38    B                     2    6

0c.39    B                     2    7

0c.40    B                     2    8

0c.41    B                     2    9

0c.42    B                     2   10

0c.43    B                     2   11

0c.44    B                     2   12

0c.45    B                     2   13

0d.64    B                     4    0

0d.65    B                     4    1

0d.66    B                     4    2

0d.67    B                     4    3

0d.68    B                     4    4

0d.69    B                     4    5

0d.70    B                     4    6

0d.71    B                     4    7

0d.72    B                     4    8

0d.73    B                     4    9

0d.74    B                     4   10

0d.75    B                     4   11

0d.76    B                     4   12

0d.77    B                     4   13

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