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October 30th, 2021 21:00

Dell EMC Metro Node - WAN ISL link bandwidth

Hi,

In order to implement Dell EMC Metro Node active/active cluster for Dell EMC PowerStore systems at two different locations ~80 km apart, besides RTT < 10ms what are recommended values for bandwidth of the WAN ISL links?

Is there any relation between Customer Workload profile (for example 10.000 IOPS, 300 MB/s, Read/Write 80/20, 8 kb block size) and the bandwidth of the WAN ISL link?

Are 2 x 1 Gbps minimum for the Dell EMC Metro Node system or less (for example 2 x 500 Mbps links) can be used?

 

Thanks,  

2 Intern

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286 Posts

November 1st, 2021 06:00

In general your WAN bandwidth is supposed to be based on the write bandwidth. So if you have 60MB/s that is the required bandwidth for the WAN. While less than whats supported, you could have the account team RPQ this as what is listed is what was tested.

1 Rookie

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14 Posts

February 10th, 2022 02:00

Hi All,

 

how should the cabling topology be used for Powerstore block optimized with Metro Node ?

 

Skenario-1

IbnuR_0-1644488339776.png

 

or Skenario-2

IbnuR_2-1644488461774.png

 

I'm not sure about scenario-2, because wan cabling should be directed to the network switch.

please advise,

Thanks,

2 Intern

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286 Posts

February 10th, 2022 13:00

Correct, scenario 1 is correct assuming that your WAN is going through  a switch

1 Rookie

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14 Posts

February 14th, 2022 01:00

thanks @ankur.patel to verify this scenario..

1 Rookie

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14 Posts

February 14th, 2022 02:00

Hi All,

and regarding the zoning configuration, do all devices at each site (server, metronode, powerstore) need to be zoned ? If yes, are the details as follows.

Example zoning in each site

server to metronode
server to powerstore

metronode to server
metronode to powerstore

powerstore to server
powerstore to metronode

SAN switch-1 (top)
# zone server to metronode
server_fc0; metronode1_fc0; metronode2_fc0;

# zone server to powerstore
server_fc0; powerstore_nodeA_fc0; powerstore_nodeB_fc0;

# etc

SAN switch-2 (bottom)
# zone server to metronode
server_fc1; metronode1_fc1; metronode2_fc1;

# zone server to powerstore
server_fc1; powerstore_nodeA_fc1; powerstore_nodeB_fc1;

# etc

Thanks,

2 Intern

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286 Posts

February 14th, 2022 07:00

server to powerstore is not needed. 

server to metronode, metronode to powerstore is all

1 Rookie

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14 Posts

February 14th, 2022 22:00

noted with thanks @ankur.patel 

6 Posts

February 21st, 2022 23:00

Also need this. Lets see what happens after apply the solution.

2 Intern

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286 Posts

February 22nd, 2022 06:00

This info can be found on the solve desktop under VPLEX admin procedures and configure

https://solveonline.emc.com/

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