*In multi-member groups the selection will take into account that a server is doing more I/O to a particular member’s data - the connection load balancer will move the connection to that member.Įnhanced MPIO effect on network connection load balancing Will only make one determination every 6 minutes so that the effect can be taken into account for the next analysis. This is done via iSCSI commands It is transparent to host If yes, what is the overloaded port and most eligible connection on that port? – Is there a port that is less loaded we can move to? – If yes, move the connection to that port* › › Host access Replication Internal communications (if more than 1 array)Īre any of the ports overloaded? – Near maximum – Large difference in utilization vs. – All traffic on port is considered: › › › Įach array port’s statistics are analyzed every 6 minutes.I/O is directed to the most used array Īutomatic Network Load Balancer Operation.Network Load balancer Goal: Interface load is balanced The Hybrid Array Load Balancer manages the distribution of high I/O data within a hybrid array. The APLB (Automatic Performance Load Balancer) manages the distribution of high I/O data within the pool. This is resolved by automatically spreading work across available hardware proportionallyĮqualLogic Load Balancers The NLB (Network Load Balancer) manages the assignment of individual iSCSI connections to Ethernet ports on the group members EqualLogic MPIO extends network load balancing end to end host array port The CLB (Capacity Load Balancer) manages the utilization of the disk capacity in the pool Free Space balancing manages dynamic space usage between arrays.Workloads change – Sometimes we know about it – Many times we don’t (we react to it).
0 Comments
Leave a Reply. |