Hi Guys,

I am getting problems with configuration of multipath on system z (SUSE 11 
SP4 - kernel 3.0.101-94).

I have 4 paths to disk access and today a path was down and multipath not 
work properly. Then server was down with high usage of CPU and i/o wait.

Config of multipath:

features "0"
prio alua
failback immediate
rr_weight uniform
no_path_retry fail
path_grouping_policy multibus
dev_loss_tmo 300
fast_io_fail_tmo 25
path_selector "round-robin 0"
rr_min_io 1

Server using WAS application and high usage of i/o. I solved the problem 
when i did a flush/down on path with issue.

Thanks,
Diego Sales Gimenez
IBM Global Services - Linux on System z
IBM
Tie Line: 839-9249  Ext: (019) 2132-9249
Email: [email protected]
_________________________________

Não critique, trabalhe !!! 
_________________________________




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