Home > Mac OS X > Fusion drive on older Macs using Core StorageFusion drive on older Macs using Core Storage Thom Holwerda 2012-10-31 Mac OS X 10 Comments“Since Apple has announced the Fusion drive, people have wondered if it’s possible to use the fusion drive on older machines with a SSD and HDD.” Fun with Core Storage (via John Siracusa). About The Author Thom HolwerdaFollow me on Twitter @thomholwerda 10 Comments Bill Shooter of Bul 2012-10-31 4:39 pm EST Note to the non-nerds: Our version of fun usually does include the increased potential for chaos, corruption, and the occasional explosion. Things that are very cool technology are not always the same as really reliable rock solid technology that should be used. This is one of those. kjmph 2012-10-31 4:55 pm EST Why? This is a shipping feature that is present on new hardware available today. The HW isn’t present in older models, but the SW is. If say, you were like me, and broke warranty and installed these drives anyways, then setting up a logical volume would be the exact same as using the new Fusion Drives. Remember, Apple isn’t using a special hybrid drive, they are only using logical volume management and handing data transfer in SW. Bill Shooter of Bul 2012-10-31 7:23 pm EST https://twitter.com/siracusa/status/263663394975002625Fusion drives in general aren’t a good idea. If it were completely bug free it would have the same reliability as a completely bug free raid 0 config. .http://en.wikipedia.org/wiki/Standard_RAID_levels#RAID_0_failure_ra… kjmph 2012-10-31 7:49 pm EST Oh pardon, you are stating that the reliability is bad for an installation like the Fusion Drive, period. Not that the SW is prone to chaos when you yourself setup a Fusion Drive using the instructions in the linked article. I apologize! d3vi1 2012-11-01 2:48 pm EST Why? This is a shipping feature that is present on new hardware available today. The HW isn’t present in older models, but the SW is. If say, you were like me, and broke warranty and installed these drives anyways, then setting up a logical volume would be the exact same as using the new Fusion Drives. Remember, Apple isn’t using a special hybrid drive, they are only using logical volume management and handing data transfer in SW.Actually, replacing the RAM, hard-drive and optical drive don’t void warranty in most Macs. kjmph 2012-11-02 2:43 am EST Even if you are doing this?http://www.macrumors.com/2011/08/01/installing-a-second-hard-drive-…Hence the ability to setup a Fusion Drive myself.. jido 2012-10-31 6:53 pm EST I am not sure what the author is demonstrating in the link at the end of the article. So he doesn’t use HFS+ because corrupting a formatted disk image is not detected by Disk Utility but is detected by fsck?I am not seriously worried about data on my disk.On the other hand the trick he showed with the Fusion drive is quite exciting quackalist 2012-11-01 2:30 am EST I have some worries about the data on your disk, your HFS+ data will be in my prayers every night. redshift 2012-11-02 1:37 am EST I have some worries about the data on your disk, your HFS+ data will be in my prayers every night.I like the way Apple uses its file system…. but in doing so the filesystem itself has been stretched well beyond what anyone imagined it would be. Tacking on lots of nice modern features has kept it limping along, but it really should be redone from the ground up with something modern and solid.I was hoping for ZFS to become their default, but it is not going to happen beyond the support they have now. They also hired the author of BeOS’s filesystem an few years ago, and I thought they would have him create something nice for them… but so far HFS+ is all we get.At this point NTFS with their custom meta data applied would be an improvement over what they have. tarpit 2012-11-02 2:00 am EST Has anybody tried this out yet?I have a macbook with a 90gb SSD and 500gb WD Black Ed. hard drive in the media bay.Current I run the OS from the SSD and all of my media is linked to the /Users/<User profile> on the SSD.From the blog post, the volume creation would have to happen while booted off the installation media, if you want to install onto the fusion drive.