No trim support in Lion.....disappointed!

I can't believe my OCZ SSD still does not have trim support enabled after updating to Lion. Come on Apple, even windows supports trim. Anyone else using SSD found any difference?

https://discussions.apple.com/message/15699587

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TRIM support in Lion

I bought my mac late 2010, with a SSD harddrive. Recently I heard SSD harddrives becomes slower over time, witch is bad news in my case. But then I read Lion will have TRIM support. I cheked out my systemprofile and found out my SSD is a NVida (or soomething). Will the TRIM support in Lion only support Intels SSD? I know there are some third-party companies that offers TRIM update, but i don't trust them.
PS. I orderer my SSD thorough the apple store, I haven't built it in later.
Nic

With 10.6.8 Trim should be enabled (check System Profiler). If not you could try Trim Enabler 1.2. Also read
http://lifehacker.com/5803331/how-to-enable-trim-on-your-macs-solid+state-drive (the part with erase free space, takes some time be patient).
About Lion: who knows....

Trim Support for Lion

I have a Trim supported SSD and had trim working with Snow Leoprad but with the Lion update system support report says unsupported. Ideas?

re-run trim enabler

Trim support moutain lion

Hi, I would like to know if i have to install TRIM on my system for my SSD SAMSUNG 830 SERIES. I can't see this option on Mac OS X Mountain Lion. It's necessary to install or can i live without a TRIM?
Thanks for help, I am new in this world of Mac

With 10.6.8 Trim should be enabled (check System Profiler). If not you could try Trim Enabler 1.2. Also read
http://lifehacker.com/5803331/how-to-enable-trim-on-your-macs-solid+state-drive (the part with erase free space, takes some time be patient).
About Lion: who knows....

Trim support in mountain lion for third party ssd

Hi,
I have an Intel 320 series SSD in my intel core duo 2008 2.6ghz macbook pro.
I had trim support enabled in Lion and tried to re-enable it with the usual terminal commands after upgrading to ML.
The first two commands to back up and patch the new file appear to work, but when I try to clear the 1st cache using:
sudo kextcache -system-prelinked-kernel
I get the following error:
Kernel file /mach_kernel does not contain requested arch: i386
Then in system information after reboot it says that trim has not enabled.
Does anyone know how I can re-enable trim support.
Many thanks,
Simon

Solved by shurcooL
http://forums.macrumors.com/showthread.php?p=15444235#post15444235
I tried this and it wouldn't work for me. It backed up the file, but when I tried to open the .kext file with the same editor he used, it wouldn't allow me to open it. I also tried logging in as the root user and didn't work either. Any ideas?
Macbook Pro 2012 model, 10.7.4, Intel 320 series 120gb SSD

My SSD install in Lion shows no TRIM support. How do I fix?

Hi folks. I had my new 2011 mini upgraded with an OCZ Vertex 2 SSD drive. I checked for TRIM support after a clean install of Lion and it says No. How do I fix this? Thanks.

I think some want to believe TRIM is needed; or, it was with older model SSDs.
The TRIM Enabler has a change log, and history of sorts.
SATA-IO has said that 3.1 specification will incorporate TRIM into NCQ (command queueing) going forward now that it is final and adopted which is a much better solution.
The lack of free space or having to reuse storage cells (a month's worth is a good number) and the background garbage collection will take care of your drive.
I would not. OWC does not recommend its use, and they just use Sand Force controller and firmware also.
Also, a lot of PC users set motherboard RAID, TRIM is not supported in RAID configurations, and that seems to be fine.
My Corsair SSDs (5) are 6 months and going strong.

LION APPLE SSD TS128A Trim Support = No!?

I currently have a Mac Book Pro Mid 2009 with a APPLE SSD TS128A.
After install 10.6.8 and recently LION 10.7.0 my Trim support is still set to "No."
Is there a way that I can enable this? Or is my drive unsupported? I believe this drive was manufactured by Samsung when I had the bottom open when upgrading the RAM.
Let me know if you are havig the same issues and if you've figure away to enable Trim?
I don't know if the drive needs a firmware update which I was looking at: http://goo.gl/kh8KD
Thanks in advance to anyones attention on this matter.
Here's my System Profile if helpful.
APPLE SSD TS128A:
Capacity:          121.33 GB (121,332,826,112 bytes)
Model:          APPLE SSD TS128A
Revision:          AGAB0202
Serial Number:                  59QT100AT0RZ
Native Command Queuing:          No
Removable Media:          No
Detachable Drive:          No
BSD Name:          disk0
Medium Type:          Solid State
TRIM Support:          No
Partition Map Type:          GPT (GUID Partition Table)
S.M.A.R.T. status:          Verified
Volumes:
disk0s1:
Capacity:          209.7 MB (209,715,200 bytes)
BSD Name:          disk0s1
Content:          EFI
disk0s2:
Capacity:          120.47 GB (120,473,067,520 bytes)
BSD Name:          disk0s2
Content:          Apple_CoreStorage
Recovery HD:
Capacity:          650 MB (650,002,432 bytes)
BSD Name:          disk0s3
Content:          Apple_Boot

Have a look at my blog here: http://www.markc.me.uk/MarkC/Blog/Entries/2011/4/17_Enabling_TRIM_on_OSX_for_any _SSD.html
This hack works on my 2010 Macbook Air, and my 2011 Macbook Pro running LION. The 2010 Macbook Air obviously has an Apple SSD in it - I still needed this hack to enable TRIM.
As with anything like this make sure you backup first. I've had it running since LION was released and it's been fine so far.

OSX Lion Trim Support

Hi all,
I can't seem to find anyone discussing this anymore, but does OSX Lion support trim?

As it stands, currently 3rd party trim is not supported in LION.
I have
2011 13" mbp
2.7 i7
240gb ocz vertex2 ssd
0s x 10.7 Lion
Trim support "NO"

Lion RAID0 SSD TRIM support

Hi all,
From what I've read so far it would appear that if I go to a RAID 0 SSD setup in my Macbook Pro... I'll lose TRIM support, even if both disks support TRIM by themselves?
I've got an Apple Supplied 128GB SSD and a Samsung 470 series 128GB SSD... I was thinking of reinstalling Lion (yes I have the bootable DVD) and configuring them in RAID 0, mainly to get one large 250-256GB volume...
Also, a lot of people are saying that 64Kb stripe size is the way to go....
Finally, someone mentioned about putting the disk utility into developer mode to elinimate the recovery partition off the Apple SSD?
Thanks for all feedback.

Cindy,
Thanks for the quick reply. If I'm understanding correctly, the SCSI unmap command was implemented in last November's Solaris 11.1 release but has since been disabled due to performance problems. I'm running the original November release with no updates so can I assume that SCSI unmap is enabled on my system? If so, do I run any risk of data corruption by staying with my current version? I'm currently running Solaris 11.1 from a SATA SSD.

TRIM support for SSD in OS X Lion

Greetings All,
Have read up on this and apparently not Apple SSDs aren't getting TRIM support. Does anyone have any solid info on this? Also, is there a completely dependable way of switching on TRIM support?
Any help would be greatly appreciated :-)
Cheers,
Edmond
PS - it's for an OCZ Vertex 3 240Gb Max IOPS drive.

you welcome )
But Edmond, trim can NOT cause issues - it just will give you no benefits and slow down SSD, if it is based on SF 2xxx controller. I detailed this here: https://discussions.apple.com/message/15649687#15649687 and even more details in discussion here: https://discussions.apple.com/thread/3194668?start=0&tstart=0

TRIM Support for AMD sb850

Hi all,
I've just bought an OCZ Octane 128GB SSD, formatted nad created an ext4 partition to host my root filesystem.
When I try to enable TRIM support for root filesystem (putting the discard in mount options) I get the following errors in dmesg
failed command: DATA SET MANAGEMENT
I've a Gigabyte GA-870A-UDE rev2 motherboard, the SSD is attached to one of the sata3 ports (managed by the SB850 Southbridge)
Any Ideas?
Thanks
Luca

Technically, TRIM is not supported by Lion for non-Apple-branded SSDs, but there is a work around for this.
The procedure described here worked beautifully for me: http://digitaldj.net/2011/07/21/trim-enabler-for-lion/

Can't turn on trim support on APPLE SSD SM128

Hello,
I'm hving problem with starting trim support on my SSD (i'm new at this ssd thingy)...as stated in the topic its an APPLE SSD SM128...
I've downloaded and started the Trim Enabler app and rebooted my computer a few times, but still i get the same msg:
"the patch is active, but the trim is not working"!
btw, im on osx 10.8.3
Does anybody know what should i do?

I bought a used late 11' Macbook Pro which came with a apple braned SSD 120gb. I took it out and popped it in my old 06' intel core 2 duo 17" Macbook pro running lion. To enable Trim I downloaded Chameleon SSD, Works GREAT!!
download link
http://www.macupdate.com/app/mac/43656/chameleon-ssd-optimizer
Ohh I bought a Samsung 840 pro 256gb and popped that in my late 11' (Mt lion) Macbook pro using Chameleon SSD Trim support on it. That too works flawlessly!!!!!!!!
Good Luck!
Keep us posted.

Trim support not enabled

I got this MBA with SSD(251GB) a couple of weeks ago. I noticed that the "No" is shown for the Trime support. Does this mean that Apple SSD does not support Trim? Or, can that Trim support be enabled?

With the 10.6.8 update apple has added in TRIM support for stock apple oem ssd drives. 3rd party ssd drives are still s.o.l for Trim support at this time even in LION unless you use the "trim enabler" hack.
I do not advise doing so, as it has messed with a few systems, and basically could just be code that switches the "no" to a "Yes" in profiler without any actual background use.

TRIM Support Enabler Patch

Hi Community,
I read a lot of posts the last view days which explained that the TRIM support will only work with Apple SSDs, but there are many patches available which should enable the TRIM support for those third party SSDs as well. Are those patches only fakes or are they functional? Has anyone confirmed if those patches doing there job as expected?
Thx & Bye Tom

Technically, TRIM is not supported by Lion for non-Apple-branded SSDs, but there is a work around for this.
The procedure described here worked beautifully for me: http://digitaldj.net/2011/07/21/trim-enabler-for-lion/

TRIM Support in Mac SSD

I am about to purchase my first Mac and Im so excited. But before I do I have a question about the SSD. I was not planning on buying the SSD, but instead just going to some 7200RPM HDD but realized the price was only an additional $90, a price you can not just go out and buy one at.
My only concern is the lack of TRIM in Mac OSX. Now, their is speculation (and partial proof) that Lion will have TRIM support, but from what I have researched TRIM is also a hardware variable and not just software. Does anyone know if the new MacBook Pro's SSDs offer TRIM support? Also, will my SSD, by Summer hopefully, be negatively effected by the few months of the lack of TRIM?
Thank you so much,
Ben

You do not need to run any UNIX (or any other) programs to 'TRIM' the drive. If the drive firmware supports TRIM (as all newer drives do) and the operating system supports the TRIM command, you will benefit from this feature. The way TRIM works is this:
When you delete a file from a drive, the operating system marks the space used by the file as free so it can be used again. On a mechanical hard drive this works fine and the space will get written over as needed. Unfortunately, the SSD does not know the difference between erasing a block and writing over it with new data, so they are treated the same. The problem that occurs with SSD is that each block on the drive has a limited number of write cycles it can withstand before failing so the SSD firmware tries to spread out the usage of blocks on the drive by a process called wear-levelling. This ensures that the drives last as long as they need to, but results in fragmentation of the drive. This is a lower level fragmentation than what is typically referred to when discussing hard drive fragmentation and is not really related. This low level fragmentation can result in reduced performance of the drive over time, as blocks are erased and data is moved around by the wear-levelling.
The drive manufacturers have worked wonders trying to minimize this effect with intelligent firmware, but it is still a measurable problem. This is where TRIM comes into play. If the TRIM command (a low level drive command, not something you run from within the operating system) is supported throughout the system, deleting of a file will cause the operating system to issue TRIM to the SSD instead of just marking the blocks as empty as would be done on a mechanical hard disk. The SSD then knows that these blocks are no longer needed and the drive firmware can then clean up more efficiently. The drive firmware will show the space as available (because it is) but will not actually perform a write to that part of the drive until a later time, when enough blocks are ready to be TRIM'd all at once. This works in conjunction with the wear leveling to reduce wear on the flash cells and prevent fragmentation from occurring. For a more detailed description of TRIM, I recommend checking out the articles by Allyn Malventano over at PC Perspective:
http://www.pcper.com/comments.php?nid=7488
That site is mostly geared towards Windows users, but the basics of SSD operation are the same, and Allyn is definitely an expert when it comes to storage technology.
As far as over-provisioning goes, this provides a way to reduce fragmentation without the need for TRIM support (although the SandForce drives also can do TRIM). Over-provisioning involves setting aside a certain amount of flash memory on the SSD (7-28% typically) that is not available (or visible) to the operating system. The firmware uses this extra storage space to more efficiently defragment and wear-level the drive and it is transparent to the operating system. This is why an Intel X25 G2 drive will benefit more from TRIM support than a SandForce based drive like the OWC or Vertex series ones. The above mentioned site also has some good articles about over-provisioning, including comparisons of the same drive with 7% and 28% overhead. It boils down to this: if you have a SandForce drive, TRIM support is not as important because the drive does a good job on its own. If you use a different SSD, TRIM support is very beneficial, and we should all hope that OS X delivers full support for TRIM in the near future. Also, the added expense for the enterprise level (28% over-provisioned) SandForce drives is normally not justified, especially in a single drive setup.

No trim support in Lion.....disappointed!

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