[ewg] OFED 1.2-beta1 SRP multipath test results

[Ishai Rabinovitz]

Hi Chieng,

Thanks for the tests.
In my tests the fail back works.
Could you please describe the way you checked the fail back.
Will it be possible to send me the /var/log/messages file.

Thanks
Ishai

Chieng Etta wrote:
> All,
> 
>  
> 
> SFW has tested SRP multipath functionality with OFED-1.2-beta1 and here 
> is the system information and results.
> 
>  
> 
> Initiator: rh4u4 x86_64 and sles10 x86, OFED-1.2-beta1
> 
> Target: rh4u3 x86_64, IBGD-1.8.3-rh16, Areca-1220 controller
> 
>  
> 
> Failover works on rh4u4 and sles10 with either 2 IB connections from 
> initiator or 2 IB connections from target.
> 
> However, failback only works on rh4u4 and not sles10.  Forcing path 
> failback by using multipath command also does not work.
> 
>  
> 
> test6:~ # multipath -ll
> 
> mpath343 (SAreca_ARC-1220-VOL#00_54047306) ,
> 
> [size=1043G][features=0][hwhandler=0]
> 
> \_ round-robin 0 [prio=0][enabled]
> 
>  \_ #:#:#:# -   #:#   [failed][faulty]
> 
> \_ round-robin 0 [prio=0][active]
> 
>  \_ 2:0:0:0 sda 8:0   [active][ready]
> 
>  
> 
> test6:~ # multipath
> 
> : checker msg is "readsector0 checker reports path is down"
> 
> mpath345: failed to access path
> 
> SAreca_ARC-1220-VOL#00_54047306: rename mpath343 to mpath345
> 
> rename: mpath345 (SAreca_ARC-1220-VOL#00_54047306) Areca,ARC-1220-VOL#00
> 
> [size=1043G][features=0][hwhandler=0]
> 
> \_ round-robin 0 [prio=0][undef]
> 
>  \_ 2:0:0:0 sda 8:0   [active][ready]
> 
> \_ round-robin 0 [prio=0][undef]
> 
>  \_ 7:0:0:0 sdc 8:32  [undef][ready]
> 
>  
> 
> test6:~ # multipath -ll
> 
> mpath345 (SAreca_ARC-1220-VOL#00_54047306) ,
> 
> [size=1043G][features=0][hwhandler=0]
> 
> \_ round-robin 0 [prio=0][enabled]
> 
>  \_ #:#:#:# -   #:#   [failed][faulty]
> 
> \_ round-robin 0 [prio=0][active]
> 
>  \_ 2:0:0:0 sda 8:0   [active][ready]
> 
>  
> 
>  
> 
> Etta Chieng
> 
> System Fabric Works
> 
> http://www.systemfabricworks.com/
> 
>  
> 
> 
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> 
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