[zfs-discuss] Re: ZFS failover without multipathing

2006-12-07 Thread Luke Schwab
Jason, I am no longer looking at not using STMS multipathing because without STMS you loose the binding to the array and I loose all transmissions between the server and array. The binding does come back after a few minutes but this is not acceptable in our environment. Load times vary

Re: [zfs-discuss] Re: ZFS failover without multipathing

2006-12-07 Thread Jason J. W. Williams
Hi Luke, I wonder if it is the HBA. We had issues with Solaris and LSI HBAs back when we were using an Xserve RAID. Haven't had any of the issues you're describing between our LSI array and the Qlogic HBAs we're using now. If you have another type of HBA I'd try it. MPXIO and ZFS haven't ever

[zfs-discuss] Re: ZFS failover without multipathing

2006-12-06 Thread Luke Schwab
I simply created a zpool with an array disk like hosta# zpool created testpool c6tnumd0 //runs within a second hosta# zpool export testpool // runs within a second hostb# zpool import testpool // takes 5-7 minutes If STMS(mpxio) is disabled, it takes from 45-60 seconds. I tested this with

Re: [zfs-discuss] Re: ZFS failover without multipathing

2006-12-06 Thread James C. McPherson
Luke Schwab wrote: I simply created a zpool with an array disk like hosta# zpool created testpool c6tnumd0 //runs within a second hosta# zpool export testpool // runs within a second hostb# zpool import testpool // takes 5-7 minutes If STMS(mpxio) is disabled, it takes from 45-60