While shared storage isna€™t a requirement, ita€™s a best practice for VMware ESXi infrastructures of all sizes. By submitting my Email address I confirm that I have read and accepted the Terms of Use and Declaration of Consent. By submitting your email address, you agree to receive emails regarding relevant topic offers from TechTarget and its partners. You also agree that your personal information may be transferred and processed in the United States, and that you have read and agree to the Terms of Use and the Privacy Policy. Once a physical server goes down, the virtual machine (VM) files that reside on that server become unavailable as well. FreeNAS is a small shared-storage tool that's based on network-attached storage (NAS) technology.
Because FreeNAS is based on a file-sharing protocol, there is some overhead when writing packets to the shared storage. If you've ever worked with SAN products from NetApp Inc., you'll notice similarities to the Openfiler interface, which has a comparable look and feel.
Figure 2 Openfiler offers a complete iSCSI SAN that's configured easily from a Web interface.
For more granular storage--provisioning options, such as the ability to configure shared storage for client nodes, use the Openfiler Web interface.
FreeNAS offers a Unix-based configuration for access to files, and Openfiler offers a Linux-based approach to access block devices. Before the virtual storage area network, there were Fibre Channel storage area networks and iSCSI. Leave on good terms from your system administrator job to avoid burning bridges and to keep a good reputation in the industry.
I have been playing with the newer versions of FreeNAS for shared storage on my home VMware vSphere lab recently (after having last used it on version 7.x). To check to see if your SSD supports TRIM under FreeNAS, open up a Shell session to your FreeNAS box – i.e.
I have not yet worked out a way to see if TRIM is actually being actively used yet though – so if anyone has any suggestions or ideas as to how to check that it is actually in use, please let me know! Basically, what will happen is that if the production server (say JSCAPE MFT Server 1) goes down, the failover server (JSCAPE MFT Server 2) automatically takes over. Here, the production server and the failover server each have their own dedicated storage, e.g. Once Server 1 goes down and Server 2 takes over, users won't be able to see files they own that aren't stored on Server 2. The solution to this problem is to deploy a single storage system that both managed file transfer servers can share. So, regardless which server a user connects to, the user will see exactly the same set of files and folders. With a shared storage system, you can be sure all your storage resources are fully utilized. Now that you know the benefits of deploying a shared storage system, I'll now proceed to show you how to set one up using FreeNAS. Therefore, it's possible to have one JSCAPE MFT Server running on Linux, another server running on Windows, and yet another running on Mac, all sharing storage via FreeNAS.
I will be focusing on JSCAPE MFT Servers running on Ubuntu Server 12.10 Linux in this post. Please refer to the JSCAPE MFT Server documentation and the FreeNAS Users Guide for installation instructions.
If you need more references, we have a video showing how to install JSCAPE MFT Server on a Debian-based Linux. Before we proceed, please take note that what we're going to perform is just a very basic configuration.


It will take several seconds to prepare the volume since the selected disks will be formatted. In the Authorized networks field, enter the address of the network you want to grant access to this share (e.g. Expand the folders until you're able to select the one bearing the name of the volume you created earlier.
To access an NFS shared volume from a Linux machine, you have to mount the share on an existing directory in that Linux machine.
The last set of steps will be performed in the JSCAPE MFT Server environment, so launch your JSCAPE MFT Server Manager now and connect to the first server. The next step is to set the path of your users' files and folders to the directory you mounted in the previous section.
We already have an article featuring a thorough discussion on how to set up a failover server. Whenever a user logs in to any of the two servers using the same user account, he'll be granted access to exactly the same directory in the shared storage system.
Everything you needed to know about setting up shared storage for you file transfer servers has already been discussed.
The solution to this problem is to deploy a reverse proxy like JSCAPE MFT Gateway and implement clustering. You can use it to send and receive text and voice messages, photos, videos, even call your friends in other countries, and because it uses your phone's internet connection it might not cost you anything at all (depending on whether you'll pay data charges). You can talk one-to-one or in group chats, and because you're always logged in there's no way to miss messages. SkypeURLCollector – An easy way to collect information from Skype chats and send to Twitter. I have not yet worked out a way to see if TRIM is actually being actively used yet though – so if anyone has any suggestions or ideas as to how to check that it is actually in use, please let me know! With shared storage, however, another ESXi host can access and start the VMs that were running on a failed server.
There are two, free ways to that create a shared-storage infrastructure for VMware ESXi: FreeNAS and Openfiler. After you install FreeNAS software, you have to configure the FreeNAS server's IP address before logging into the Web interface, which is used to set up and manage the shared storage. Openfiler offers real SAN functionality, which means you'll receive performance benefits from giving remote machines access to block devices and not to file systems.
From here, you can easily set up the shared storage as either a SAN (shared devices) or NAS (shared file systems). If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Please exercise caution with this command as it has the potential to cause damage if not used correctly! Go to Storage -> View Disks, then check the name column for the device names of each disk.
When you apply dedicated storage, the production servers, which will likely experience heavy usage, can quickly reach their maximum storage capacity, while the storage resources of the failover servers will remain underutilized. Since I want to show you how to set up shared storage, then you will need two (2) such MFT servers.
We also have a blog post that will help you set up a Linux FTP server, so just take your pick. It is only meant to give you a firsthand experience of the major benefits shared storage can offer to file transfer services.
As soon as the process completes, you should see your newly added volume under the Volumes node. Yes, we know allowing root access is not the most secure thing to do but we want to keep things simple for now.


Assuming everything goes smoothly, this directory will now serve as a representation of the shared volume found on your FreeNAS.
Your failover server and your production server should have the same services, configurations, users, and user settings - including the user's paths - in order for failover to work as expected. Make sure your second server is up and running and can be accessed from the first server and then follow the instructions on that article.
However, I'd like to include one more tip that can significantly enhance what we've been able to set up so far. Users who don't know the IP address of the second server won't be able to connect whenever the production server goes down. There are several projects to turn an old PC into a firewall appliance, FreeNAS turns an old (or not so old) computer into a Network Attached Storage (NAS) device. Plug in a decent sized USB hard drive and you can keep all your media (or business) files in one place. When run from CD it can store its settings on a USB or floppy drive, making it even more secure because the programs cannot be corrupted by a hacker. There's no need to create and remember new account names or pins because it works with your phone number, and uses your regular address book to find and connect you with friends who use WhatsApp already. Even if your phone is turned off, WhatsApp will save your messages and display them as soon as you're back online.
The included iSCSI target is fast, which makes Openfiler a favorite choice for a free shared-storage arrangement.
But both tools install easily and allow multiple ESXi hosts to access virtual machines in a shared-storage arrangement.
In this post, we'll talk about the advantages of using shared storage and how to set one up using FreeNAS. Thus, you'll be forced to purchase more storage for the production server even if the failover server still has lots of free space.
Since our clients are Linux machines (our MFT servers function as clients to our shared storage service), we'll want to add an NFS (Network File System) share.
With many households having more than one computer now, keeping files on each computer is wasteful of storage space and frustrating because the file you need is always on "the other computer". FreeNAS supports most network file access protocols: CIFS (Windows file sharing, formerly SMB), FTP, NFS, TFTP, Rsync and Unison to mention a few.
FreeNAS is based on network file-sharing protocols, and you can choose from Network File System (NFS), Windows' Common Internet File System or the Apple Filing Protocol. After running the command above, you’ll get a list of disk information back, just check the “data set management (TRIM)” row to see if TRIM support is enabled or not. This capability makes FreeNAS well-suited for platform-independent managed file transfer servers like JSCAPE MFT Server. We strongly urge you to study more about securing FreeNAS before deploying it in a production environment. Since the second server is connected to the same storage system as the first server, users won't have to do anything differently - except for one thing: they'll have to enter a different IP address (the IP address of the second server) into their file transfer clients. The support for rsync and Unison means you can also use your NAS as a backup device, especially useful for a laptop where you need local copies for when you take the laptop out but need copies back at base in case it gets lost, dropped or stolen and you don't bring it back. If you do need to administer it, FreeNAS has a web interface that you can access from any other computer on your network.
Keeping shared files on one computer and sharing them over the network makes sense, but leaving a powerful, and power hungry, desktop computer turned on just to make some files available is hardly green, or economic sense. FreeNAS has several other useful features, such as support for RAID and encryption, both giving improved security to your data in different ways and monitoring of your disks' health with email alerts.



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