Hi, since we are trying this on 151a7, would there be a way to transfer the mpt driver from a1 to a7, since it seems to work in a1? Or am I thinking too simplistic about this as I am not a programmer...
thanks, Randy > CC: [email protected] > From: [email protected] > Date: Wed, 6 Feb 2013 20:29:15 -0800 > To: [email protected] > Subject: Re: [OpenIndiana-discuss] sas multipath > > > randy, > > if you do absolutely nothing special - meaning no stmsboot or anything else - > the mpt2 driver will default to round robin. failover is sub-sub second. > > my configuration works like this and is based on 151a1. if you undo all the > old school fancy stuff it will "just work" > > thanks, > j. > > Sent from Jasons' hand held > > On Feb 6, 2013, at 4:03 AM, Randy S <[email protected]> wrote: > > > > > Hi all, > > > > I have a test system running with OIa7, very much ram, 2 LSI SAS 9207-4i4e > > hba's, 1 sm jbod containing seagate 3Tb sas drives. > > > > I have enabled the multipathing with stmsboot and set it to use > > logical-blocksize, since round-robin symmetric-option isn't functioning. > > > > During tests I can see that the system sees the two path's with mpathadm > > and simple dd tests show that all disks are all accessed at almost maximum > > speed with minimum latency according to iostat. > > We started to test with 4 sas disks in 2 striped mirrors. > > > > All good, but shouldn't it be possible to pull one of the sas cables > > without any disruption to the storage, forcing it to use only one path? > > (this way simulating a broken hba). > > When we do this, the whole system grinds to a screeching halt, being almost > > unresponsive. > > > > What am I doing wrong. Maybe somebody can point in in the right direction > > to troubleshoot. > > > > Rgrds, > > > > Randy > > > > > > > > > > > > > > _______________________________________________ > > OpenIndiana-discuss mailing list > > [email protected] > > http://openindiana.org/mailman/listinfo/openindiana-discuss > > _______________________________________________ > OpenIndiana-discuss mailing list > [email protected] > http://openindiana.org/mailman/listinfo/openindiana-discuss _______________________________________________ OpenIndiana-discuss mailing list [email protected] http://openindiana.org/mailman/listinfo/openindiana-discuss
