Trim is a command that is executed in the background by the operative system when you delete files, informing the SSD that the blocks are no longer in use and can be deleted. By doing this, the SSD can avoid slowing down future write operations to those blocks.
Chris Webb . Principal MacService Woodside, Brightling Road Robertsbridge, East Sussex, TN32 5EL t: 01580 881212 f: 01580 881313 m: 07770 960632 e: [email protected] w: www.macservice.co.uk facebook: www.facebook.com/macserviceuk On 25 Oct 2012, at 12:53, mac98aop <[email protected]> wrote: > Thanks all... What is TRIM? I've Googled it but you guys are better! > > ;) > > > > On Thursday, October 25, 2012 10:25:15 AM UTC+1, macservice wrote: > Last one I did was a Western Digital 1tb Scorpio Blue. Initially I thought it > was a faulty drive. I mounted it in a USB 3.0 enclosure to clone which worked > fine but when it was mounted inside the laptop, it wasn't recognised. I then > tried it in a USB 2.0 to SATA bridge and got the same result. RMA'd it and > the same happened with the replacement. > > Spoke to WD TS and they suggested mounting, formatting and cloning in the > computer. It worked fine. I've yet to find a reason why. > > On another, general note, TRIM on non-Apple SSDs isn't supported in 10.6, > 10.7 or 10.8 but this little Application enables it: > http://www.groths.org/?page_id=322 > > Chris Webb . Principal > MacService > Woodside, Brightling Road > Robertsbridge, East Sussex, TN32 5EL > t: 01580 881212 > f: 01580 881313 > m: 07770 960632 > e: [email protected] > w: www.macservice.co.uk > facebook: www.facebook.com/macserviceuk > > > > > On 25 Oct 2012, at 10:00, Sam - MacAmbulance <[email protected]> wrote: > >> I've never had a problem formatting and cloning any drive over 1tb >> externally. I do all my drive cloning with external eSATA drive docks though >> not USB, perhaps that's it? >> >> -- >> MacAmbulance >> Sam Mullen >> 07747778022 >> [email protected] >> >> On 25 Oct 2012, at 09:52, Chris Webb <[email protected]> wrote: >> >>> >>> Crucial (www.crucial.com/uk) are selling a Crucial 256gb M4 for £124.00 - >>> just put one in my 15" MBP - WOW! It came with the latest firmware >>> installed so didn't need an upgrade. >>> >>> Swap the disks and put the old internal in an external box, boot from that >>> disk then do the clone - much more reliable. Probably won't make much >>> difference with a 256gb disk but 1tb disks don't like to be >>> partitioned/formatted/cloned outside them machine then installed, dunno >>> why, they just don't. >>> >>> Chris Webb . Principal >>> MacService >>> Woodside, Brightling Road >>> Robertsbridge, East Sussex, TN32 5EL >>> t: 01580 881212 >>> f: 01580 881313 >>> m: 07770 960632 >>> e: [email protected] >>> w: www.macservice.co.uk >>> facebook: www.facebook.com/macserviceuk >>> >>> >>> >>> >>> On 25 Oct 2012, at 09:15, Tony Crooks <[email protected]> wrote: >>> >>>> I've replaced hard drives with SSD on two MacBooks and it is easy enough. >>>> >>>> If you get an USB enclosure you can put the 320GB drive in it and use it >>>> as an external drive after cloning the disk to an SSD. >>>> >>>> www.dabs.com are selling the 256GB Crucial M4 SSD for £140 this week >>>> >>>> Improved startup speed, reduced app loading times and all round snappiness >>>> made it a worthwhile investment for me. >>>> >>>> Regards, >>>> >>>> Tony >>>> Sent from my iPhone >>>> >>>> On 25 Oct 2012, at 09:04, Sam - MacAmbulance <[email protected]> >>>> wrote: >>>> >>>>> Normally it's just a case of putting the SSD into an external USB >>>>> enclosure (£5 from ebay) then using Carbon Copy Cloner or SuperDuper to >>>>> clone all the data across. You can enable TRIM afterwards. >>>> >>>> -- >>>> You received this message because you are subscribed to the Google Groups >>>> "Sussex Mac User Group" group. >>>> To post to this group, send an email to [email protected]. >>>> To unsubscribe from this group, send email to [email protected]. >>>> For more options, visit this group at >>>> http://groups.google.com/group/smug?hl=en-GB. >>>> >>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Sussex Mac User Group" group. >>> To post to this group, send an email to [email protected]. >>> To unsubscribe from this group, send email to [email protected]. >>> For more options, visit this group at >>> http://groups.google.com/group/smug?hl=en-GB. >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Sussex Mac User Group" group. >> To post to this group, send an email to [email protected]. >> To unsubscribe from this group, send email to [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/smug?hl=en-GB. > > > -- > You received this message because you are subscribed to the Google Groups > "Sussex Mac User Group" group. > To view this discussion on the web, visit > https://groups.google.com/d/msg/smug/-/hnBCSO62idcJ. > To post to this group, send an email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/smug?hl=en-GB. -- You received this message because you are subscribed to the Google Groups "Sussex Mac User Group" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/smug?hl=en-GB.
