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ESXi Thunderbolt Driver to Fibre Channel Storage from ATTO

09.12.2016 by William Lam // 6 Comments

esxi-thunderbolt-driver-atto
One of the things I always enjoy doing at VMworld, when I am not running around and I have a few minutes to myself, is to check out the VMware Solutions Exchange. This is where you can learn and interact with hundreds of our VMware Certified Partners showcasing their new solutions and innovations that they have built on top of VMware's products.

UPDATE (08/22/17) - ATTO's ESXi Thunderbolt Driver is now officially on the VMware HCL, please see this blog post here for more details.

While walking through the show floor, I had stopped by the ATTO Technology booth who has been a long time partner of VMware in the storage and networking connectivity space. What caught my eye was that they had just released a Beta of an ESXi Thunderbolt Driver in the form of an ESXi VIB that would allow customers to connect their Apple Mac Pro 6,1 using the Thunderbolt 2 interface to an external Fibre Channel storage array. I believe ATTO might be the first vendor ever to produce a Thunderbolt Driver for ESXi. This is really exciting news if you ask me, especially as more and more of our customers are looking to virtualize Mac OS X guests in their Datacenters using vSphere. 

Historically, the only option to connect a Mac Pro 6,1 to an external Fibre Channel array was to use something like a Sonnet Chassis. Now, you can potentially connect up to 6 of the built-in Thunderbolt 2 interfaces on the Mac Pro's to your external storage array using this new solution from ATTO. Before I go into some of the details, ATTO did want me to mention that this solution is currently not officially supported by VMware nor is it on VMware's HCL. ATTO will be providing full support on their software as well as VMware's software stack during the duration of the beta program. In terms of official certification on VMware's HCL, I suspect that it will most likely depend on customer demand which would influence whether ATTO applies for an official certification, which again, would be the first of its kind for Thunderbolt.

The way in which this solution works is that you install the ATTO Thunderbolt Driver on your ESXi host and this will allow it to communicate with an ATTO ThunderLink device which provides the Thunderbolt 2 to Fibre Channel connectivity. You have the option of using either the FC2082 which provides 20Gb/s Thunderbolt 2 (2-port) to 8Gb/s FC (2-Port) Device or the FC2182 which provides 20Gb/s Thunderbolt 2 (2-port) to 16Gb/s FC (2-Port) Device. Below is a diagram from the ATTO digital solution brief on Thunderbolt Driver for ESXi which outlines the configuration.

esxi-thunderbolt-driver-atto-1
If you are interested in taking part in ATTO's ESXi Thunderbolt Driver Beta program or would like to learn more about the solution, you can reach out directly to Carllene Mowry (*protected email*) who is running the program. For more information be sure to check out the ATTO digital brief on Thunderbolt Driver for ESXi.

Lastly, I was also fortunate to have a quick chat with Carllene and team to get a few additional exclusive tidbits on some of the things the ATTO team is working on next. The first of which is support for the Thunderbolt 3 (aka USB-C) interface to Fibre Channel which will be quite nice for newer platforms that include that interface, including home lab setups such as the Intel NUC. Speaking of Intel NUC, this is just one of the many other platforms that include either Thunderbolt 2 or 3 interfaces. Although the solution today is specifically supporting the Mac Pro, I know ATTO folks are interested to hear from customers on other systems with Thunderbolt interface and providing similiar capabilities.

The other really exciting development that is currently being investigated is support for Thunderbolt 2 or 3 to 10GbE connectivity on ESXi. As you can imagine, this is really going to open up some really cool new use cases, especially around things like VSAN which can easily benefit from this. It is still in early development but from my understanding, ATTO is already seeing a lot of interest in this area as well as how this might work with VSAN. I am hoping I will be able to share more details as this further develops. If any of these updates sounds interesting, do leave a comment to let the ATTO folks know and I will make sure they monitor the thread.

Categories // Apple, ESXi, VSAN Tags // apple, ATTO, fibre channel, mac pro, thunderbolt, USB-c, Virtual SAN, VSAN

Thunderbolt Storage for ESXi

01.21.2015 by William Lam // 47 Comments

Screen Shot 2015-01-20 at 9.11.51 PMA question that I frequently receive is whether ESXi supports Thunderbolt-based storage devices. This is especially interesting for folks running ESXi on an Apple Mac Mini due to the limited number of IO connections the Mac Minis' have. If you look on VMware's HCL, you will not find any supported Thunderbolt Storage devices nor are there any that are being actively tested with ESXi, at least as far as I know.

Having said that, generally speaking from an ESXi host point of view, the Thunderbolt interface is just seen as an extended PCIe bus. This means that whatever storage device is connected on the other end can work with ESXi as long as there is a driver in ESXi that can communicate with that devices. This is analogous to having a RAID card and having the proper device driver on ESXi to see its storage.

Even though VMware is not actively testing Thunderbolt-based storage devices, there are a few folks out in the community who have and have been successful. I wanted to share these stories with the community for those that might be interested in this topic and hopefully others who have had similar success can also share more details about their setup.

UPDATE (09/12/16) - ESXi Thunderbolt Driver to Fibre Channel Storage from ATTO

Disclaimer: All solutions listed below are from the community and decisions to purchase based on these solutions will be at your own risk. I hold no responsibility if the listed solutions do not work for whatever reason.

Solution #1 - Pegaus R6 Thunderbolt Storage Enclosure

This was the first Thunderbolt storage device that I had ever seen confirmed publicly to work with ESXi after installing a STEX driver VIB. You can find more details here.

Solution #2 - Sonnet Echo Express III-R Rackmount Thunderbolt 2 Expansion Chassis & RacMac Mini Enclosure

This next solution was recently shared with me from Marc Huppert who has recently expanded his home lab. Marc combined a Thunderbolt expansion chassis with a Mac Mini chassis to exposed Fibre Channel storage to his Mac Minis. You can find more details here.

Solution #3 - xMac Mini Server Enclosure

I came across this solution while searching online which also uses another Mac Mini Thunderbolt expansion chassis connected to Fibre Channel based storage. You can find more details here.

Solution #4 - Sonnet xMac Pro Server Enclosure

Thanks to Joshua for sharing his solution. You can find more details in the comments here.

Solution #5 - LaCie Rugged Thunderbolt drives

Thanks to Philip for sharing his solution. You can find more details in the comments here.

Solution #6 - ARC-8050T2 Thunderbolt 2 RAID

Thanks to Jason for sharing his solution. You can find more details in the comments here.

Solution #7 - Another Sonnet xMac Pro Server Enclosure + EMC VNX

Thanks to Johann for sharing his solution. You can find more details here.

Solution #8 - LaCie Little Big Disk Thunderbolt 2 with 2013 Mac Pro w/ESXi 6.0

Thanks to Thomas for sharing his solution. You can find more details here.

Solution #9 - Sonnet Echo Express III with Mac Pro 6,1 and ATTO ExpressSAS H680 w/ESXi 6.0

Thanks to Grasshopper for sharing details here and here.

Solution #10 - OWC ThunderBay 4 RAID 4-Bay External Drive w/Dual Thunderbolt 2

Thanks to Gregg Green for sharing his use of the Thunderbay with Mac Mini 2012

If there are other Thunderbolt-based storage devices that you or others have had success with ESXi, feel free to leave a comment with details and I will add it to the post. If there are any Thunderbolt storage device vendors that would like to send me a demo unit, I would be more than happy to give the system a test to see if it works with ESXi 🙂

Categories // Apple, ESXi, Home Lab Tags // apple, mac mini, mac pro, thunderbolt

Running ESXi 5.5/5.5u1 on Apple Mac Mini + Thunderbolt Ethernet Adapter Caveat

09.03.2013 by William Lam // 160 Comments

I just upgraded my Apple Mac Mini 5,3 this morning from ESXi 5.1 Update 1 to the latest ESXi 5.5 release and I am very happy to report the upgrade worked flawlessly! When ESXi 5.5 is generally available, you will be able to just download the ISO and install or upgrade your existing Mac Mini without requiring additional drivers for the on-board network adapter to function correctly. If you have a Mac Mini 6,2 the old SMC issue has been resolved, but the PSOD issue is still occurring. As promised to some folks on Twitter, here is a custom ESXi 5.5 ISO for Mini 6,2 that you can just download and install without any manual intervention:

  • Download: ESXi-5.5-Mac-Mini-6.2.iso
  • Download: ESXi-5.5u1-Mac-Mini-6.2.iso

The only issue that I found is if you are using the Apple Thunderbolt Ethernet Adapter, you will find that after the install/upgrade, the network adapter no longer shows up. Looking into this issue, it looks like with the release of ESXi 5.5 and the introduction of the new Native Driver architecture, it had a slight impact to the Thunderbolt Ethernet Adapter. Having said that, the Apple Thunderbolt Ethernet Adapter and Mac Mini was never officially supported, so we were actually lucky that it had worked in the first place.

The reason the Thunderbolt Ethernet Adapter is not being recognized is that its device ID (14e4:1682) is not in tg3 (Broadcom) map file /etc/vmware/driver.map.d/tg3.map. If the device was officially supported, then it would have been automatically claimed by the vmkdevmgr which handles both vmklinux and Native Driver devices. The fix is actually quite simple and I have created a custom VIB called vghetto-apple-thunderbolder-ethernet.vib which will add the appriorpiate device ID to a new custom map file called /etc/vmware/driver.map.d/apple.map which will not collide with the existing tg3.map file. The reason for needing a custom VIB versus appending the device ID to something like /etc/rc.local.d/local.sh is that when the script runs it is too late from a networking stack point of view.

To install the custom VIB, you will need to upload it to your ESXi datastore and run the following command:

esxcli software vib install -v /vmfs/volumes/[DATASTORE]/vghetto-apple-thunderbolder-ethernet.vib -f

Now you can either use the vSphere Web/C# Client to verify the Thunderbolt Ethernet Adapter is showing up or you can run esxcli network nic list.

Categories // Uncategorized Tags // apple, ESXi 5.5, mac mini, tg3, thunderbolt, vSphere 5.5

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William is Distinguished Platform Engineering Architect in the VMware Cloud Foundation (VCF) Division at Broadcom. His primary focus is helping customers and partners build, run and operate a modern Private Cloud using the VMware Cloud Foundation (VCF) platform.

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