Many thanks for your full response. I guess one of my worries how the bits on my clone(s) of the fusion drive can be just pushed around like ordinary Finder bits, with the obvious restrictions of course. I have a bit of study to do before I get started! Best wishes Severin
> On 11 Apr 2018, at 16:26, Neil Houghton <[email protected]> wrote: > > Hi Severin, > > I just fitted a 250GB SSD and a 3TB hard drive to my late 2009 i7 iMac (along > with upping the RAM to 24GB). > > I was considering setting up a fusion drive but, as for yourself, for a > variety of reasons I decided not to. Primary reason was that a fusion setup > would only allow 1 extra partition – whereas I have split the 3TB into 3 > partitions. > > The main reason for a fusion drive as opposed to separate seemed to be that > separate drives require you to manage your own files rather than just having > the one logical volume with the OS doing the file movement as required. I > have always preferred to organise my files my way – not always as per Apple’s > default setup – so this was not a problem for me. Currently my setup is: > 250GB SSD contains main OSX (El Capitan) and applications, together with a > bare Admin user profile > 1.5TB partition is my main data drive and contains my main user profile and > various other stuff. > 1.0TB partition is currently empty but will probably become a dedicated media > drive (music, video etc) > 500 GB partition is a bootable SL OSX 10.6.8 clone of my old setup (has some > legacy software and it means I can stagger my clean-out/reorganisation of > years of accumulated cruft). > > I found plenty of online resources when rebuilding my computer and setting > this up but, as you say, it can be difficult to decide which approach is the > best. My thoughts: > To be sure, to be sure – at least 2 backups of your current system before you > start – Your clone plus an up to date Time machine backup would seem to cover > this. > Work out just how you intend to manage your data between the drives – given > you have a bigger SSD but smaller HD than my set-up: > I imagine you will not be looking to further partition the HD – just ending > up with the 500GB SSD and the 1.5TB HD. > I presume your OS and applications will be on the SSD. > With only a 250GB SSD, for me it made sense to have my main user folder on > the HD but with a 500GB SSD you may find it better to keep your user folder > on the SSD and just use the HD for high capacity storage. > Obviously you need to proceed in 2 stages: > Split the fusion drive into its separate SSD & HD components. > Set up the drives with your new desired configuration. > > In terms of splitting up the fusion drive, this article is also referenced by > several others: > https://www.macworld.com/article/2015664/storage-flash/how-to-split-up-a-fusion-drive.html > > <https://www.macworld.com/article/2015664/storage-flash/how-to-split-up-a-fusion-drive.html> > In your case, since you have a bootable clone, you can ignore the > instructions about doing this from recovery mode – just boot-up from the > clone and your internal drive(s) can be dealt with easily. > Here’s another article that seems to cover it well: > https://www.lifewire.com/split-fusion-drive-apart-2260166 > <https://www.lifewire.com/split-fusion-drive-apart-2260166> > > If you do decide that you want your user folder on the HD, rather than the > SSD, this is the OWC video I used for guidance: > https://eshop.macsales.com/installvideos/owc_techknowlogy/keeping_system_files/?_ga=2.27482869.873964507.1523432163-1041492836.1522295138 > > <https://eshop.macsales.com/installvideos/owc_techknowlogy/keeping_system_files/?_ga=2.27482869.873964507.1523432163-1041492836.1522295138> > > Since I was not just adding an SSD to a computer with the existing system on > the HD, I initiall just copied my user folder over from the clone but I then > ran into permissions issues as I had been logged in as admin account when I > copied over and that seemed to change the permissions so that there were > problems when looged in to my main account I didn’t have correct access to my > user folder. I picked this up quickly and went back to square 1 and found a > sequence which worked for me – then all fine! > > If you do decide to do this, then if you cloned your existing clone back to > the 1.5TB HD as the very first step, then you would be essentially in exactly > the same start point as the video and could follow it exactly and (hopefully) > avoid any permissions issues. Of course if you are going to have your user > folder on the SSD, with the OS, then none of this is relevant ;o) > > HTH & good luck! > > > I’m still coming to grips with Outlook 2016 which seems to be missing a heap > of features that I reliedon in Entourage 2004 – the price of progress! > > > Cheers > > > Neil > -- > Neil R. Houghton > Albany, Western Australia > Tel: +61 8 9841 6063 > Email: [email protected] <mailto:[email protected]> > From: <[email protected] > <mailto:[email protected]>> on behalf of Severin > Crisp <[email protected] <mailto:[email protected]>> > Reply-To: WAMUG <[email protected] <mailto:[email protected]>> > Date: Wednesday, 11 April 2018 at 14:01 > To: WAMUG <[email protected] <mailto:[email protected]>> > Subject: Hard drive > > I have an iMac with a 1.5T hard drive made up of a 1T conventional drive and > a 500GB Samsung SSD. For a variety of reasons I am looking to split this up > to a 500GB SSD system drive and the remainder on the 1T drive. <> > I am wondering how to achieve this and need informed advice. I make a daily > carbo Copy clone of the 1.5T fusion drive but wonder how to proceed. > Help please! > Severin Crisp > > I have read several internet solutions but would appreciate further advice. > ____________________________________________________ > > Assoc Prof R Severin Crisp, FAIP, FIP, CPhys > 15 Thomas St, Mount Clarence, Albany, 6330, Western Australia > ph (08) 9842 1950 ( Int'l +61 8 9842 1950) > Mob 0484 624 741 mail to: [email protected] > <mailto:[email protected]> > _________________________________________ > > > > > > > > > > > -- The WA Macintosh User Group Mailing List -- Archives - Guidelines - > Settings & Unsubscribe - > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.shtml > <http://www.wamug.org.au/mailinglist/archives.shtml>> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml > <http://www.wamug.org.au/mailinglist/guidelines.shtml>> > Settings & Unsubscribe - > <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug > <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>> ____________________________________________________ Assoc Prof R Severin Crisp, FAIP, FIP, CPhys 15 Thomas St, Mount Clarence, Albany, 6330, Western Australia ph (08) 9842 1950 ( Int'l +61 8 9842 1950) Mob 0484 624 741 mail to: [email protected] <mailto:[email protected]> _________________________________________
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