----- "Lindsay Morris" <[email protected]> wrote: > From: "Lindsay Morris" <[email protected]> > To: [email protected] > Sent: Thursday, 4 February, 2010 2:38:47 AM (GMT+1200) Auto-Detected > Subject: Re: [ADSM-L] Virtual TSM > > "Typical of vendors not to support their own product.." !! > > A little harsh, I think. > > TSM works in a very complex environment, and people who use (that's > us) it > try all kinds of tricks. Some corner cases doubtless get exposed, > where > support rightly refuses to help. >
We ought to point out that it's only the most recent versions of ESX that can actually present a Fiberchannel attached tape to a guest in any case. I would suspect that by the time the new version has made it's way through the labs at IBM, support is inevitable - but I've not seen any announcements nor expect them soon. Note that TSM is supported under ESX, just not tape and LAN-Free which were technical limitations only recently resolved. It would be impossible for anyone to support an application using Fiberchannel attached tape on a guest where the hypervisor is incapable of delivering that. TSM is also one of those intensive I/O workloads which is the hardest to virtualise without affecting the other workloads on the host. ESX with the other companion products has a swag of benefits other than consolidation, but performance is a consideration for TSM without the additional complication of VM's.
