Reasonable, but that sounds more like application failover rather than OS failover.
On Wed, Dec 5, 2012 at 7:27 PM, Ken Schaefer <[email protected]> wrote: > If the service (e.g. SQL Server or the File Service) fails then VMWare has > limited options for detected and failing that service over to another node. > Likewise if a part of the operating system stops responding/working. > > What VMWare does provide well is the ability to cater for faults at the > hardware level. Stuff like vMotion and storage motion you can, give or take a > few features, get with Hyper-V v3 > > Cheers > Ken > > -----Original Message----- > From: Kurt Buff [mailto:[email protected]] > Sent: Thursday, 6 December 2012 11:03 AM > To: NT System Admin Issues > Subject: Re: File Services Clustering in Server 2012 > > erm... > > I'm not sure what you mean by OS failover vs. hardware failover. > > VMware, depending on the version you've purchased, will indeed provide what I > would think of as OS failover, in one of two ways, depending on how much > money you've spent - perhaps you can enlighten me on that point. > > With Essentials Plus, if your physical host blows up/melts down,the VMs on > that node appears on another node of your cluster as if they've been > rebooted. You can also seamlessly migrate a running VM from one host to > another via vMotion, if both are in working order. > > With more expensive versions of VMware, if the physical host faults, the VMs > on that node will seamlessly migrate to one of your other nodes - no down > time at all. Also with the more expensive versions of VMware, you get Storage > vMotion, which allows you to move a VM, while it's running, from one SAN LUN > to another, along with regular vMotion. > > Depending on version purchased, VMware nodes can also monitor VMs and if one > fails or stops responding they can restart the VM. > > Granted, this isn't the same kind of functionality a (for instance) SQL > cluster provides, but it's pretty dang cool, IMHO. > > Whether you should do an MS cluster on top of your VMware cluster is > something I don't have experience with, however, so can't speak to it. > > I also do not as yet have any experience with HyperV, so can't compare it > meaningfully to VMware products. > > Kurt > > On Wed, Dec 5, 2012 at 2:23 PM, Jim Holmgren <[email protected]> wrote: >> That's a pretty bold statement. ESX clustering does not provide >> application or OS failover - only hardware failover. >> >> I would not call ESX clustering "vastly superior" to Microsoft clustering. >> They provide different functionality. >> >> Jim >> >> Jim Holmgren >> Director of Technology Infrastructure >> XLHealth Corporation >> The Warehouse at Camden Yards >> 351 West Camden Street, Suite 100 >> Baltimore, MD 21201 >> 410.625.2200 (main) >> 443.524.8573 (direct) >> 443-506.2400 (cell) >> www.xlhealth.com >> >> >> >> >> >> -----Original Message----- >> From: Ken Cornetet [mailto:[email protected]] >> Sent: Wednesday, December 05, 2012 5:04 PM >> To: NT System Admin Issues >> Subject: RE: File Services Clustering in Server 2012 >> >> Why in the world would you use a Microsoft cluster when you have the vastly >> superior and easier ESX clustering to provide failover? >> >> -----Original Message----- >> From: Patrick Hasenjager [mailto:[email protected]] >> Sent: Wednesday, December 05, 2012 4:33 PM >> To: NT System Admin Issues >> Subject: File Services Clustering in Server 2012 >> >> We are just getting into clustering services, now that we have been allowed >> to purchase a SAN (we have only been asking for more years than I can >> count!). I created a failover cluster in Server 2012 Standard and attached >> 4 nodes to it (all virtuals with VMware ESXi 5.1 - the same problem exists >> whether 1 node is connected or up to all 4). They are connected to common >> LUNs on a NetApp appliance. >> >> Yesterday, everything went to hell. It started off that I could not access >> one of the file shares and then two... then all 4 that we had configured. >> Because this system was not yet being utilized for anyone other than myself, >> I decided to just recreate it. Now that I have done that, I cannot >> configure any file shares. >> >> When I click the "Add File Share" to the cluster role (File Server), the >> "volumes" is blank and I cannot use the browse button. I can type a path, >> but it states that it is not valid for the particular server. According to >> the console, everything is "Running" and "Online." I also cannot access the >> administrative share for the drive which is attached to the role. >> >> I am at a complete loss for ideas and Internet searches have turned up >> absolutely nothing regarding the problem I am having. I'm sure I am missing >> something simple, but cannot come up with what that is. Can anyone assist >> me? Feel free to contact me off-list if it is more convenient. >> >> >> >> PATRICK HASENJAGER | Network Administrator Kansas City University of >> Medicine and Biosciences | Information Technology phone 816.654.7712 | >> fax 816.654.7701 email [email protected] | www.kcumb.edu > > ~ 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 ~ 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
