scalability new node to the existing cluster

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Hi All,

We are having 5 node cluster with EC 4+1 . Each node has 68 HDD . Now we are trying to add new node with 68 disks to the cluster . 

We tried to add new node and created all OSDs in one go , the cluster stopped all client traffic and does only backfilling .  

Any procedure to add the new node without affecting the client traffic ?

If we create  OSDs one by one , then there is no issue in client traffic however  time taken to add new node with 68 disks will be several months.

Please provide your suggestions..

Thanks,
Muthu

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