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VMWare ESXi



Dafthead

ClioSport Club Member
  Q8 E-Tron
We've got some good VMWare shizzle, 16 ESX hosts on our blade/san infrastructure, unfortunately i don't get to play with it, my net engs sort it out
 
  Better than yours. C*nt.
I've got about 20 ESXi hosts and 2 VMotion-capable ESX hosts on a SAN, but I've not got round to configuring the latter yet!

What you want to know?
 

Cookie

ClioSport Club Member
Not much atm

Boss wants to know if you can capture images of current servers and turn them into virtual machines (ala the Blade tools)
 
  Better than yours. C*nt.
Yes, very easily. You need to buy VMware Converter or do it in two stages though - the free version of converter only allows you to go from Physical Machine state to VMware Server/Workstation, before going from VMware Server/Workstation to Virtual Infrastructure.

Did it for one of our live systems, very good tool but took it's time and had an issue with a legacy NetBIOS app (as NetBIOS only allows communication to the first 2 NICs, when VMware created the virtual adapter it was assigned #3, so NetBIOS couldn't talk to it.

s**t application though, not VMware's fault. Ran on NT4 until I bodged it onto 2000 earlier this year.
 
  Better than yours. C*nt.
Never tried to use VMware Converter on a cluster though - so I don't know the implications of doing that!!
 

dk

  911 GTS Cab
HP do a good tool for migrating machines, think its SMP, server migration pack universal edition.

I'm a vmware vcp (vmware certified professional, hardest exam i have ever taken) so get to play with it whenever possible, i go and install for customers too etc.
 

Cookie

ClioSport Club Member
We have no clusters so I'm sure that won't be an issue

A guy at my last job with hundreds of certs said he's never known pain like the weeks he spent prepping for the VCP :p

Very few people in the world (relatively speaking) with them, right?

I need to do a more specialised job.. fed up with all this jack of all trades BS :p
 
I've got about 20 ESXi hosts and 2 VMotion-capable ESX hosts on a SAN, but I've not got round to configuring the latter yet!

What you want to know?

why not run all your vms of the san and then have 22 vmotion capable clients and intel flexmigration pool with DR and HA?

GP
 

dk

  911 GTS Cab
We have no clusters so I'm sure that won't be an issue

A guy at my last job with hundreds of certs said he's never known pain like the weeks he spent prepping for the VCP :p

Very few people in the world (relatively speaking) with them, right?

I need to do a more specialised job.. fed up with all this jack of all trades BS :p
its a tough one, personally thought my MCSE was a lot easier, the VCP needed a lot of knowledge and hands on experience, i've lost most of the knowledge since and kept the experience tbh, failed it first time by 1%, that was annoying but i got it the second time without much hassle.

its definitely a good accreditation to have these days though, known in the industry for having to know your stuff to pass.
 

dk

  911 GTS Cab
why not run all your vms of the san and then have 22 vmotion capable clients and intel flexmigration pool with DR and HA?

GP
indeed, vmware is rubbish without using a san and gaining functionality like DRS & vmotion.

they even have storage vmotion now so that you can migrate machines between different sans on the fly and site recovery manager to enable you to fail all your vm's to a dr site if the site gets blown up.

I like the thing they are experimental with too regarding moving vm's onto fewer servers at night to then shut the rest of the machines down to save power and cooling overnight when machines aren't being used, or even move vm's around so that different countries can use the resources when their time zone is working if you have offices in the us, uk and japan etc.

Some really cool technologies but its an expensive product imo.
 
  Better than yours. C*nt.
indeed, vmware is rubbish without using a san and gaining functionality like DRS & vmotion.

Because the intention of the project that I ran wasn't to create a high availability environment (we're talking Voice Recording archives here, it's annoying if it breaks but the world doesn't end) it was to reduce annual costs by £10,550, using an initial outlay of £6,900.

So obviously, VMware is crap for what we're using it for because we don't plug it into the SAN.

That, and our U320/SATA arrays are cheap, as are disks for that. Do you know how much 15k 300GB disks are for EVAs? Get real, I need 14TB storage for the work, and that just isn't realistic on an EVA for anything other than a ridiculous sum of money.
 

Cookie

ClioSport Club Member
Last time I was near SANs, NetApps 15k 300GB drives were 1200 quid a pop :p

We had ~30TB of storage, was quite a bit of cash
 
  Better than yours. C*nt.
It's not that bad, but our disks for the EVA (of which we buy 4 at a time!) are around £800 for a 300GB 15k drive.

As opposed to the 1TB drives for our U320/SATA array, which are a hugely expensive £75 each!
 

Cookie

ClioSport Club Member
I don't think my boss realises that this virtualisation shizzle can't be half arsed.

They won't even buy me a new server to try it out on because they want to save money. The only thing I can do is take a live server offline and put ESX on it, which isn't exactly ideal.
 
  Better than yours. C*nt.
No, you're right. And pink screen = BSOD. Lol. Did that to one of ours messing with the unsupported mode!
 

dk

  911 GTS Cab
Because the intention of the project that I ran wasn't to create a high availability environment (we're talking Voice Recording archives here, it's annoying if it breaks but the world doesn't end) it was to reduce annual costs by £10,550, using an initial outlay of £6,900.

So obviously, VMware is crap for what we're using it for because we don't plug it into the SAN.

That, and our U320/SATA arrays are cheap, as are disks for that. Do you know how much 15k 300GB disks are for EVAs? Get real, I need 14TB storage for the work, and that just isn't realistic on an EVA for anything other than a ridiculous sum of money.
for the cost of vmware, you can purchase cheap servers for each app and still work out cheaper, vmware is useful for dr, maintenance etc.

guess it depends if you have the cheapo version or the enterprise though, the enterprise at £3.5k a pop is 4-5 cheap servers etc.

And yes I do know what a san and eva disks cost as i sell and install them as part of my job, we run one inhouse etc.

if you aren't using the advanced features then there are other cheaper products out there imo.
 

Cookie

ClioSport Club Member
Next you'll be extolling the virtues of external backup drives sourced from PC World as a viable method of backing up mission critical data David :p
 
  Better than yours. C*nt.
for the cost of vmware, you can purchase cheap servers for each app and still work out cheaper, vmware is useful for dr, maintenance etc.

guess it depends if you have the cheapo version or the enterprise though, the enterprise at £3.5k a pop is 4-5 cheap servers etc.

And yes I do know what a san and eva disks cost as i sell and install them as part of my job, we run one inhouse etc.

if you aren't using the advanced features then there are other cheaper products out there imo.

www.vmware.com/go/getesxi/

Quote: "VMware ESXi is Free!"

Find me something cheaper than that! Plus cheapo servers don't tend to have space to fit 3 terabytes in...
 
  Better than yours. C*nt.
Next you'll be extolling the virtues of external backup drives sourced from PC World as a viable method of backing up mission critical data David :p

You laugh, but that was what was done in this company prior to my arrival... We swapped it for a 32TB Direct Attached U320 SCSI array and a DL160 G5 head unit running disk-to-disk backups and a HP StorageWorks 920 LTO-3 weekly backup system, using Backup Exec...
 

dk

  911 GTS Cab
www.vmware.com/go/getesxi/

Quote: "VMware ESXi is Free!"

Find me something cheaper than that! Plus cheapo servers don't tend to have space to fit 3 terabytes in...
that 1 license may be free, but ESXi is not free.

and you can add a lot of storage onto a cheap server, using daisy chained msa60 shelves off a p800 controller, thats 8 x (12 x 750gb) from 1 controller, or 96 TB (more than an EVA 4100 and the same as an EVA4400), thats a lot of storage. Cheap servers hold more internal storage than the enterprise servers as they use LFF instead of SFF drives, enterprise servers are designed to attach to SAN (hence my point above about requiring a SAN to get the most out of vmware).

Guess it depends on whether you want enterprise or SMB products, and as you are using sata arrays i'm guessing you are the latter.

Fact, vmware comes into its own when using HA, vmotion and DRS, without those features its just like a whole host of products out there that are cheaper, vmware have the advanced technology over everyone else, thats what you pay a premium for, but if you aren't using those technologies then there are equally good prducts out there that do the same job for less.
 

dk

  911 GTS Cab
Next you'll be extolling the virtues of external backup drives sourced from PC World as a viable method of backing up mission critical data David :p
it doesn't sound like hes talking about mission critical data though mate, hes using sata arrays...............

My whole life at work revolves around enterprise servers and storage, my specialities being blades, mid range storage (HP EVA and MSA), archiving, backups and virtualisation and I have all the certifications and about 8 years experience to back it up.
 
stay calm everyone! we dont want a "geek off"! lol

im guessing mike that you do have the virtual centre running though, so u can administer them simply and not use the vm client to access each one individually?

GP
 

dk

  911 GTS Cab
No experience with the NetApp offerings?
no, another guy deals with that side, theres only so much you can really know well before you start to be a jack of all trades.

I am interested in NetApp, just haven't got the time for it.
 
  Better than yours. C*nt.
Righty, just come back in here:

dk - You're wrong. Flat no, ESXi is free for you to install on as many Host machines you like. You have to pay per incident for support, and you have to pay for Consolidated Backup and all the 'clever' stuff. However, I can very much assure you having had various conversations with people who make VCPs look like schoolchildren (myself included) that ESXi is not charged for any more.

And ivegota16v - no, we use VIC to connect to the Hypervisors. It's not perfect but it beats wasting money... We may get it as we're going to need to pay for VCB for one of them as we've got a live system on there with data on it.
 

dk

  911 GTS Cab
ok, i see where you are going now.

yes, the hypervisor that is esxi is free to install, but i have never met a company that is doing just that, downloading the free product and nothing else.

ESXi is used by all the versions of esx virtual infrastructure, the one you have has very little management and to have to log into each host separately is just defeating the object of the whole product.

Plus, are you telling me you are running mission critical servers on esxi with no support? That isn't a great idea, i#d say support is mandatory, especially with a product like this where so many applications are relying on a single server, getting it back up again is even more important, especially if you don't have another server to vmotion it or HA to.

You really are being cheap tbh, just using it because it is free, but not using it for any of its great features and not having support and being able to backup the vmdk's.

Also, to get virtualcentre you would have to purchase at least the foundation license to get the agent license and then also the VC license itself and support which is mandatory (as it should be). Being able to see and manage your servers from a single pain of glass is one of the major benefits of virtualisation.

So, technically, yes, you are right, but no-one in their right mind would run mission critical servers how you are doing, madness, and it will come to bite you in the ass at some point.

VMware is an amazing product, but you have to use the amazing features to experience this, just using ESXi and nothing else is just wrong. they give it you free so that you can download it and then upgrade it to a virtual infrastrucure license, and as i've said, i have not heard of a company doing what you are doing.
 

dk

  911 GTS Cab
must admit, we don't usually deal with companies below 50 pc's, but we aren't enterprise, we are mid market, so deal with 50-3000 pc's normally. But then vmware is an enterprise product really, small businesses with a couple of servers don't really need virtualisation, its larger companies who want to consolidate double figure servers to reduce power and cooling costs, management costs and increase availability etc.

I've got an install in a couple of weeks, 4 hp blades in a c7000 chassis, EVA4400 back end, esx enterprise licenses for the servers with virtualcenter management, fibre tape library and hp data protector backup.

thats an average deal for us and something I normally get involved in, about 10 days consultancy there at about £1k a day for me to do it.

I think hyper-v will be a good product for the SMB's, it will offer a lot of what vmware do for a lower price, the enterprise product of choice will still be vmware though as they are a good 2 years ahead of the competition.
 


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