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Low SAN performance

Hello,

 

We have a SAN network that is made of MDS switches (9506 and 9250i) that seems to perform very inadequate with the speed of cards and cabling (8G).

We don't have a monitoring tool, like netflow, for the purpose of monitoring SAN/LAN traffic but we got a value from our backup server that shows the writes to storage. This valuew it gets up to 50Mbytes/sec, which it very low for our implementation. 

We need to check what is the cause of this problem so I would appreciate if you could give me some details on what to check?

 

Best Regards

John

 

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Enthusiast

Re: Low SAN performance

I would advise to post your case in 

Cisco Support>Community Data Center> Storage Networking

However, you definitely need to use a monitoring system based on snmp values at least go with an opensource version for now such as LibreNMS and other tools.

 

Check this out for troubleshooting MDS storage switch

https://www.cisco.com/c/dam/en/us/products/collateral/storage-networking/mds-9700-series-multilayer-directors/whitepaper-c11-737315.pdf

 

I hope this helps and good luck!

-Austin

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