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load_balance or round_robin on hdisk

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Operating Systems AIX load_balance or round_robin on hdisk
# 1  
Old 06-17-2009
load_balance or round_robin on hdisk
Hi,

in an environment with svc's and ds8xxx wat disk algorithm should be used and what is the difference here:
I can set the algorithm to Load_balance and to Round_robin (see output below).


some info:
hdisk3 ******** MPIO FC 2145

devices.sddpcm.53.rte 2.2.0.0 COMMITTED IBM SDD PCM for AIX V53
devices.sddpcm.53.rte 2.2.0.0 COMMITTED IBM SDD PCM for AIX V53

lspath
Enabled hdisk3 fscsi0
Enabled hdisk3 fscsi1


lsattr -El hdisk3 -a algorithm
algorithm load_balance Algorithm True



other server:
lsattr -El hdisk3 -a algorithm
algorithm round_robin Algorithm True

thanx
Last edited by raba; 06-17-2009 at 07:08 AM..
# 2  
Old 06-17-2009
Load balancing tries to distribute load evenley among all the available adapters while round robin just uses one adapter after the other but always only one.
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