You’d need to : Clone the data on the drive to an external drive Cut open the iMac Replace the HDD with an SSD, using a 2.5” - 3.5” adapter bracket and installing a thermal sensor to keep the fans happy Glue it all back together User diskutil cs resetfusion Boot from the external drive and clone the data back to the new fusion drive.
I do about three a week, really makes a huge difference to speed. _ Regards Sam Mullen +44 (0)7747778022 <tel://+447747778022> [email protected] <mailto:[email protected]> www.macambulance.com <http://www.macambulance.com/> MacAmbulance Ltd. Providing Affordable Mac/PC Support and Web Development MacAmbulance Ltd. is a registered company in England & Wales, registration number 8466597 This email is intended solely for the addressed recipients and may contain privileged or confidential information. If you have received this email in error please notify the sender and delete the email immediately. > On 20 Nov 2020, at 16:12, mac98aop <[email protected]> wrote: > > Thanks, Sam. I realise it's not quite a 'plug and play' to replace with an > SSD. I guess I'm just first someone else is running Big Sur on a fusion drive > and quite happy with performance (this is our family machine, so it's web > surfing, email, Pages, Keynote, Photos... that's about it - but I'd hate it > to snarl up) > > AP > > On Friday, 20 November 2020 at 16:07:45 UTC Sam - MacAmbulance wrote: > Fusion drive performance seemed to take a nosedive in Catalina, maybe Big > Sur’s different. I’d still replace the spinning disk drive with an SSD anyway > just for more speed and less noise. > _ > Regards > Sam Mullen > > +44 (0)7747778022 <tel://+447747778022> > [email protected] <applewebdata://DA173721-17BE-4982-99C3-E0DEDBB2D2A2> > www.macambulance.com <http://www.macambulance.com/> > > MacAmbulance Ltd. > Providing Affordable Mac/PC Support and Web Development > > MacAmbulance Ltd. is a registered company in England & Wales, registration > number 8466597 > > This email is intended solely for the addressed recipients and may contain > privileged or confidential information. > > If you have received this email in error please notify the sender and delete > the email immediately. > > > >> On 20 Nov 2020, at 16:05, mac98aop <[email protected] >> <applewebdata://DA173721-17BE-4982-99C3-E0DEDBB2D2A2>> wrote: >> > >> Hello >> >> I've a 27" 2017 iMac with 1TB Fusion. >> >> Will Big Sur behave? >> >> Thanks >> > >> -- >> You received this message because you are subscribed to the Google Groups >> "Sussex Mac User Group" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] >> <applewebdata://DA173721-17BE-4982-99C3-E0DEDBB2D2A2>. >> To view this discussion on the web, visit >> https://groups.google.com/d/msgid/smug/22cee498-33b8-4afe-b885-74ac60865957n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/smug/22cee498-33b8-4afe-b885-74ac60865957n%40googlegroups.com?utm_medium=email&utm_source=footer>. > > > -- > You received this message because you are subscribed to the Google Groups > "Sussex Mac User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/smug/337b9d03-01b1-4f88-a500-61bfeca525e8n%40googlegroups.com > > <https://groups.google.com/d/msgid/smug/337b9d03-01b1-4f88-a500-61bfeca525e8n%40googlegroups.com?utm_medium=email&utm_source=footer>. -- You received this message because you are subscribed to the Google Groups "Sussex Mac User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/smug/75120E0F-4951-456C-9838-2DC7FA846363%40macambulance.com.
