IP Mirroring
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Continuous Access Storage Appliance Installation and Maintenance Guide
Using worker threads for many-to-one IP mirroring
When implementing many-to-one IP mirroring, you must reduce the number of IP mirroring
worker threads; otherwise, IP mirroring will not function properly.
The total number of IP mirroring worker threads for all source appliances cannot exceed 200.
When calculating this number, count by appliance, not appliance node because only one
appliance node can process IP mirroring requests at a time.
If three source appliances mirror data to one target appliance, the maximum number of IP
mirroring worker threads for each source appliance is 66 (66 x 3 = 198). Set the number of IP
mirroring worker threads to 66 on both nodes for each source appliance.
The target appliance cannot mirror data to a source appliance because it does not receive I/O
from a host. Therefore, set the number of IP mirroring worker threads to 10 on each target
appliance node. (See “
Adjusting the number of worker threads
” for instructions.)
