http://communities.vmware.com/blogs/vmroyale/2009/05/18/vmware-fault-tolerance-requirements-and-limitations
We are using it for fault tolerance in a site for a specific set of front ends, not for a site to site wan type DR thing but guest system is limited to 1 CPU. When we first tested it no vmotion. Looks like 4.1 fixed that, will have to test it as I hadn't known. It does work. But it counts as 2 systems when sizing your farm as it is in a continuous sync state. Steven On Sat, Sep 25, 2010 at 7:54 AM, Paul Hutchings <[email protected]>wrote: > http://www.youtube.com/watch?v=6n3VpfesM8A is a video of a live site > failover using vSphere FT and HP/Lefthand P4000. > > > > I've been looking at SAN/storage options and had been thinking very much in > terms of "Live" and "Backup" sites. > > > > Our locations are around 3/4 of a mile apart linked by 1 or 10gig ethernet > (the fibre will take 10gig so it comes down to cost and necessity). > > > > I'm now thinking why on earth wouldn't I want to go active/active if we're > looking at Lefthand? I'm hoping to have them in next week to discuss > options. > > > > I'm a little blown away by that video tbh as it's not using excessively > expensive license options. > > > > Appreciate any thoughts on whether vSphere's FT really is good enough that > you'd be content with (for example): > > > > Primary Site. > > ESX Host > > P4000 > > Single Switch for SAN/vSphere stuff (presumably with VLAN's to keep iSCSI > and vMotion/FT traffic separated?) > > > > Secondary Site: > > ESX Host > > P4000 > > Single Switch for SAN/vSphere stuff > > > > I’d be interested in any feedback from those of you who are doing any kind > of active/active with failover configuration. > > > > Thanks. > > > ------------------------------ > *MIRA Ltd* > > Watling Street, Nuneaton, Warwickshire, CV10 0TU, England > Registered in England and Wales No. 402570 > VAT Registration GB 114 5409 96 > > The contents of this e-mail are confidential and are solely for the use of > the intended recipient. If you receive this e-mail in error, please delete > it and notify us either by e-mail, telephone or fax. You should not copy, > forward or otherwise disclose the content of the e-mail as this is > prohibited. > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
