Re: iSCSI and multipath failover

2013-06-11 Thread Bubuli Nayak
Thanks Mike. I have few follow-up question please. Why is this default replacement timeout so high. If I understand correctly in a multipath environment it is perfectly alright to set it to 0 without any side effect. The other question is, how early iSCSI can detect session error , be it with tra

Re: iSCSI and multipath failover

2013-06-11 Thread Mike Christie
On 06/07/2013 12:55 AM, Bubuli Nayak wrote: > Hello experts, > > I have learnt from MIke and others comment that multipath failover would > be driven by nop timout + nop interval + replacement_timeout seconds. > > My question is what is the impact I set replacement_timeout to 0. I know > if NOPOU

iSCSI and multipath failover

2013-06-11 Thread bubuli nayak
Hello experts, I have learnt from MIke and others comment that multipath failover would be driven by nop timout + nop interval + replacement_timeout seconds. My question is what is the impact I set replacement_timeout to 0. I know if NOPOUT interval is low , more frequently iSCSI initiator woul

iSCSI and multipath failover

2013-06-11 Thread Bubuli Nayak
Hello experts, I have learnt from MIke and others comment that multipath failover would be driven by nop timout + nop interval + replacement_timeout seconds. My question is what is the impact I set replacement_timeout to 0. I know if NOPOUT interval is low , more frequently iSCSI initiator would