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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,
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ankur.patel
2 Intern
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286 Posts
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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.
IbnuR
1 Rookie
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14 Posts
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February 10th, 2022 02:00
Hi All,
how should the cabling topology be used for Powerstore block optimized with Metro Node ?
Skenario-1
or Skenario-2
I'm not sure about scenario-2, because wan cabling should be directed to the network switch.
please advise,
Thanks,
ankur.patel
2 Intern
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286 Posts
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February 10th, 2022 13:00
Correct, scenario 1 is correct assuming that your WAN is going through a switch
IbnuR
1 Rookie
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14 Posts
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February 14th, 2022 01:00
thanks @ankur.patel to verify this scenario..
IbnuR
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14 Posts
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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,
ankur.patel
2 Intern
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286 Posts
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February 14th, 2022 07:00
server to powerstore is not needed.
server to metronode, metronode to powerstore is all
IbnuR
1 Rookie
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14 Posts
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February 14th, 2022 22:00
noted with thanks @ankur.patel
jden
6 Posts
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February 21st, 2022 23:00
Also need this. Lets see what happens after apply the solution.
ankur.patel
2 Intern
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286 Posts
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February 22nd, 2022 06:00
This info can be found on the solve desktop under VPLEX admin procedures and configure
https://solveonline.emc.com/