I was going to do a post on NFS versus iSCSI, to be honest that is such old hat in my opinion it doesn’t really matter. Whether you use iSCSI or NFS is up to you, your application and business requirements along with any constraints in your infrastructure that may force you to lean one way or another. Since I am an NFS networking ninja, clearly I am going to go the NFS route. Let’s get started on setting up NFS, if you are not already log into your Synology DSM.
Next I need to connect to my NFS share from the ESXi hosts. Typically I’d have NFS on its on VLAN, but sans a switch in my home lab to VLANs it will be riding with all my other network traffic.
The datastore should now be available on both hosts (Click on the host >> related objects >> datastores) as seen below. Repeat for the gold datastore.
Now that the datastores are created, I am going to create an “ISO” folder on the silver datastore to hold my linux ISOs and build virtual machines in vCenter.
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In order to provide shared storage to my home lab, I am going to use a Synology DS1513+. In my lab I have my DS1513+ connected to a switch, which is connected to my home router, this allows me to use http://find.synology.com to start configuring my DS1513+.
My Synolog is configured with 2x 120GB SSD Corsair Neutron drives and 3x 2TB Seagate SATA drives. On the https://find.synology.com page, click on the Connect button to get started.
My Corsair drives do not seem to be compatible with Synology SSD cache, I don’t have the option to create it even though I should have enough memory for at least a portion of the SSDs to be used as cache. In any case, give what I had for parts I’ll just use the 2x SSDs as an all flash volume for my hosts and the 3x SATA drives as another.
If your Synology ships with drives already, it likely had a volume created which is now unavailable because you removed two of the drives. In that scenario remove any existing volumes. If it was ordered with no drives, then I believe as older models did for me you can just create the new volumes and do not need to delete anything.
And there you have it, Synology volumes are created. Up next, iSCSi or NFS? (Hint I passed the Chris Wahl NFS Ninja training at the Boston VMUG)
I just got a Synology DS1513+ and wanted to try out the SSD cache. Having never powered it on I pulled two of the 2TB Seagate drives and installed 2x Corsair SSDs. Once I powered on the device, it started beeping and wouldn’t stop. Turns out that when shipped with drives there is an existing volume already created. The beeping was an error because I basically broke the volume removing the two 2TB drives. To turn off the beeping, do the following:
Having purchased other Synology’s with no drives in them I didn’t expect the volume to already exist. If your Synology is beeping, log in and check it out!
Synology has just announced a new 5 year warranty for several of their models, making a great product even more desirable! Synology has made excellent storage devices for small and medium sized businesses for many years and they clearly look to continue that with this warranty update. There are those that believe that SMB’s do not need shared storage and should just be using DAS to save on cost. However, doing this limits an SMBs ability to maintain automated fail over and high availability like VMware’s HA. Having worked with many SMBs and start-ups I can tell you that up time is critical and being able to leverage products that can take advantage of shared storage is critical. Is it more expensive that DAS? Of course but what is the cost of downtime or outages? Having to constantly rely on full machine restores as your “HA” is not an option.
These are excellent products for both iSCSI block storage and NAS (NFS/CIFS) services. Beyond basic storage you can encrypt and replicate data. I have also used their smaller models for specific solutions such as video monitoring which works great – rather than constantly recording they can detect motion, start recording when motion is detected and email images to a specified address – a great option for businesses needing to add video monitoring to help safe guard important data.
If you are considering shared storage, either via iSCSI or NFS/CIFS add Synology to your list for consideration. Check out http://www.synology.com/en-us/solution/business_storage for more information