This is the best use of the built in Hard Drives to maximise speed. Cons: Double the risk of data loss lose one Hard Drive and you will lose all the data. This is the best use of the built in Hard Drives to maximise redundancy. This would show the entire storage as one volume of around GB and provide around the same level of performance but with twice the redundancy. Pros: Can survive and continue working with one Hard Drive failed.
This uses the primary drive for all storage for all services and data, with the secondary drive used solely for a Time Machine backup of the main drive.
Transform your Mac mini into a Thunderbolt™ 3 Storage Server
This is the second easiest and second most popular for SOHO configuration for administrators. Pros: Fully internal backups very difficult to miss a backup!
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This uses the primary drive for the OS of the server only with all other data including service data storage on the secondary drive. The OS data is kept to a minimum typically GB to facilitate fast backup to the secondary drive. Pros: Stops any service data filling up the OS drive and potentially crashing the server , allows selective and quicker restore if required.
Cons: A large portion of the primary Hard Drive storage is wasted. No option is ideally suited to every situation and every solution.
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A particular set of requirements may dictate the use of, for example, option 2 for speed, in which case the solution architect would need to take into account the need for complete and often backups. For a general use server, I tend to lean towards option 5, using a custom shell script to take a disk image or snapshot of the boot drive every evening, and a backup to an external Hard Drive daily.
Setup a RAID1 volume on a mini Server. | Mac Mini Vault
Due to the snapshots, the backup will only need to backup the secondary drive. What about you? How have you setup the storage on your Mac Mini? Once I had it aligned, I removed the screwdriver and pressed down on the flap and connector, giving me the best vertical alignment when pressing down. My earlier attempts were always at an angle slightly off vertical and would not connect.
My replacement SSD was much thinner than the hard drive it replaced. When you screw in the two Torx 8 screws into the grate holding the WiFi hardware about 6 minutes in to the OWC video , the screws are meant to be received by the drive you just installed. In my case, there was enough play there that it would not catch reliably. I ended up flipping the Mac mini to its normal upright position so that gravity would cause the SSD to rest on the grate.
RAID 1 is one of the many RAID levels supported by OS X and Disk Utility
I could then hold the Mac mini in the air and insert those two screws from underneath, successfully connecting with the screw holes on the SSD. Note: There is no turning back once you start this step. The data from the original RAID will be destroyed. The Mac mini needs to be booted from an external drive. I guess you could use Internet Recovery if absolutely necessary, since it does give you access to Terminal.
Since I knew I was going to erase it in a minute, I responded by clicking the Ignore button in the dialogue box. Here's what the drive setup looked like in Disk Utility Because I want to erase both internal drives, I just specified the two disks disk0, disk1 rather than mess around with creating and picking the right volumes.
Mac Mini Dual Drive SSD raid
So based on the information from diskutil list above , I used this command to create the new Fusion drive:. Note: cs stands for CoreStorage; you may use the form diskutil coreStorage … if you prefer. You can also name the grouping of the two drives whatever you like I chose Fusion1TB.
That's the next step. Copy that and insert it into the following command:. Here's what my command looked like:. You can't partition at all for that matter. So if you want to have one, now is the time to put it in place. There are two good ways I can think of to do this:. In either case, when we're done, we should end up with something like this if we run diskutil list at the command line:. So in addition to a Recovery partition, we also have an OS installed. If you did a manual install of the OS, do not go through any of the Setup Assistant steps that are presented on a fresh install at least, not quite yet.
This part actually tripped me up in an unexpected way.
I had a clean OS installed, so I opted to restore from Time Machine when prompted by Setup Assistant — well, I would have if I had the necessary passwords in front of me. My wife's computer also connected to this same Time Capsule, so I was able to retrieve the password from her Keychain to connect to the device, but I could not come up with the password to access my machine's backup.
Of course, this information is in my own Keychain and, in my case, in a database as well , but since I have no access to my data right now, I need to go to Plan B. Plan B was to take the disk image I created of all my data and clone it to the Fusion Drive. Unfortunately, when I tried to do that, Disk Utility claimed that there was a size mismatch and that the contents of the disk image could not be copied. Regardless if you took my circuitous route to get to this point or not, you are now ready to restore your data.
Here's I followed through with Plan C:. If you, however, have access to your Time Machine backup, you can choose to restore from there. If you have a valid macOS Recovery partition, that's probably easiest, as the Restore from Time Machine Backup is the first choice in the menu; just start it off and follow the steps.