Enable Trim Command for SSD

How can I enable Trim Command for SSD in my Windows 7 O/S?

Unfortunately, using "fsutil behavior set disabledeletenotify 0" will not tell you if TRIM is actually working.
How do you know it is not already working?
You can try using this tool to check
http://files.thecybershadow.net/trimcheck/
Copy the exe you download to a folder on the drive you wish to test (eg c:\test) and double click it. Follow the instructions.

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TRIM Support For SSD

How does Arch Linux handle SSD's? Does Arch Linux or the 3.0 kernel natively support TRIM or some equivalent garbage collection mechanism? Is TRIM or whatever it uses enabled by default during an installation of Arch Linux or must I enable this in some way? Just trying to understand if making the switch to SSD versus traditional spindle drives is smart using Arch Linux.

Have you read https://wiki.archlinux.org/index.php/SSD ?
There's e.g.
DISCARD/TRIM feature is NOT SUPPORTED by device-mapper (but they are working on it, see here. August 2011 news: support will be in Linux 3.1, and involves a userspace dm-crypt update as well
https://wiki.archlinux.org/index.php/SSD#Mount_Flags
discard - The discard flag will enable the benefits of the TRIM command so long as one is using kernel version >=2.6.33. It does not work with ext3; using the discard flag for an ext3 root partition will result in it being mounted read-only.
Last edited by karol (2011-10-13 19:54:22)

Enable TRIM on Samsung SSD 840, is it necessary?

This type of question has been asked a lot of times, I know, but I would like to receive some advice from experts.
Few weeks ago I installed my Samsung SSD 840. People say that it's not necessary to enable TRIM for such type of SSD. Others say that it allows to maintain the life of the SSD. So, what do you think about? What way to follow?
Note that in this case TRIM would be enabled by third part apps (TRIM enabler or Chameleon) and not by Apple.
Thank you in adavnce.

TRIM does not improve performance. Do a google search for TRIM and read up on it. Is it necessary and a good thing to have enbled? I say yes it is even if the drive does some garbage collection. If TIRM was not needed or not good for the drive apple would not auto enable it on ssd's that are branded by apple. Neither would windows 7 auto enable trim when windows sees a ssd installed.
mac_giabber wrote:
Kappy,
Thank you for yur reply.
If I enable the TRIM, what about the performance? Will it improve or not? IMHO, this would put an overhead on the SSD. What do you think about?
Thank you again.

Trim support for SSD on Marvel controller?

I read somewhere that the 6Gbs Marvell 9128 ports do not support trim on an SSD. Is this true? I also heard that the RAID support for the Intel P67 ports are much more better than the Marvel Ports. This is what I am trying to do, and am wondering if it will work. I have an MSI P67A-GD65. I want to run Two WD Caviar Black 6Gbs (even though I know they achieve nowhere near that rate) on Sata ports 1 and 2 (the Intel P67 controller ports), in ports 3,4,5,6 (the Intel P67 3 Gbs ports) I would have 2 1TB storage drives, A Bluray drive, A DVD drive, and in the last ports 7 or 8 (the Marvell 9128) controller 6Gbs port) I wanted to have a Crucial C300 128Gb SSD drive as the boot drive. Would this work, or should I use port 7 and 8 for my RAID setup instead and use port 1 or 2 for the SSD? Any thoughts are appreciated. I love this mainboard and can't wait to get it up and running.
My System:
MSI P67A-GD65 (B3), Intel 2600k processor, XFX Radeon 6950 1GB graphics card, 8 GB G.Skill Ram, 1 Crucial C300 SSD (boot drive), 2 640GB WD Caviar Black in RAID 0, 1 Blu Ray Drive, 1 DVD drive, Corsair HX850w PS

Quote
I read somewhere that the 6Gbs Marvell 9128 ports do not support trim on an SSD.
Not true. TRIM has nothing to do with the SATA controller, it is dependent on the drive itself, and your operating system.
See: http://en.wikipedia.org/wiki/TRIM

LifeLine 4.0: TRIM support for SSD?

I'm using SSDs as data volume and cache in px6-300d if this matters.

Quote
I read somewhere that the 6Gbs Marvell 9128 ports do not support trim on an SSD.
Not true. TRIM has nothing to do with the SATA controller, it is dependent on the drive itself, and your operating system.
See: http://en.wikipedia.org/wiki/TRIM

Trim Support for SSD's

Is Trim Support required for Intel 320 series SSD's?

We haven't got it installed, so you have to wait to the release

Envy Beats 15-1055se - How to enable AHCI mode for SSD

How can i enable the AHCI mode for the envy 15-1055se. I tried to find this option in the bios, but its not there. I already installed an SSD and the OS (Windows 7 home Premium). Im using Samsung EVO 250gb.

That can be done by using Windows Regedit feature. It is imperative that you make a copy of the registry before you commit to the change.
Use regedit with extreme care. All changes that you make take place instantly. That is why it is critial to have made a copy .
What is the installed operating system?
****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
2015 Microsoft MVP - Windows Experience Consumer

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

[solved] enable trim on ssd

this link from the wiki says i should edit my /etc/fstab in order to enable trim on my ssd.
this is my /etc/fstab
# /etc/fstab: static file system information
# <file system> <dir> <type> <options> <dump> <pass>
# UUID=6b44daaa-610c-4f23-a632-569d091e4d43
/dev/sda1 / ext4 rw,relatime,data=ordered 0 1
should i replace 'rw,relatime,data=ordered' with 'defaults,noatime,discard' or appent 'discard' to the options?
Last edited by aldoiljazi (2013-09-18 19:42:05)

@ploub, thanks!
another thing i want to make sure is trim support for my ssd. i have this one. the 64gb version.
i don't seem to find a certain source online, even the sandisk's page doesn't mention anything.
is there a test i can run?
edit: it does support trim, just for reference i used "hdparm -I /dev/yourssd" as root and i got:
Data Set Management TRIM supported (limit 8 blocks)
somewhere in the output.
Last edited by aldoiljazi (2013-09-18 19:41:42)

Enable TRIM on SSD Mac OS X Mountain Lion

I recently purchased and installed a Samsung SSD 840 Pro series on my MacBook Pro. I was reading up on SSDs and I heard something about enabling TRIM and how it makes the SSD last longer. How can I enable TRIM on my SSD on my MacBook Pro that's running Mac OS X Mountain Lion?

TRIM is necessary as SSD have limited writes, so the new written data has to go to a less frequently used spot on the SSD.
It's a real shame Apple doesn't automatically enable TRIM on non-Apple SSD's, it knows when it formats it that it's one as it won't enable scrubbing.
http://www.mactrast.com/2011/07/how-to-enable-trim-support-for-all-ssds-in-os-x- lion/
Secure erase data on a Solid State Drive?

Enable TRIM for Solid State Drives

Does Lion enable TRIM support for solid state drives? If it does how do I enable it?
I already know that my drive supports TRIM.

Only for Apple SSDs. This utility, TRIM Enabler 1.2, is supposed to enable it for third-party drives. Note that the newer SSDs may not need TRIM.

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/

Increase in shutdown time after enabling TRIM

Hi,
I'm using mid 2012 macbook pro 13" & recently replaced the original hard drive with Corsair Neutron GTX 120GB. After replacing the HDD I freshly installed Mountain Lion. The performance benefits were conspicuous just as any one would expect. Faster boot/shutdown times (~12s/~4s), no jumping apps etc.
TRIM support for SSD was not enabled until I used this app called Trim Enabler (http://www.groths.org/trim-enabler/). A subsequent reboot enabled TRIM (as you can see below).
The weird thing I observed after using Trim Enabler is, shutdown now takes around 20+ seconds. I'm not sure if this due to some clearing activity through TRIM commands issued by OS X (considering TRIM was not active initially) or anything else.
NOTE: I don't see any visible performance impact other than the higher shutdown times.

I'm not sure what actually caused the slower shutdowns, but now ther's no issue at all
Possibility 1:
The local copies made by Time Machine to SSD (when backup disk is disconnected)
Possibility 2:
Considering there were few writes to my SSD earlier without TRIM, after enabling TRIM OSX took some time to get the SSD to optimal performance (may be few background copy/erase operations, I don't know for sure)
Now that I've switched to manual time machine backup (turning it ON only when the backup disk connected & turn OFF once done) the reboot time is back to blazing 2-3 seconds.
BTW those who still want to keep backup running automatically & don't want to keep local snapshots on SSD, should disable it using "$sudo tmutil disablelocal" (there's no GUI way of doing this). With SSD there's a good reason to disable local snaps by Time Machine; space, life, performance etc.

10.10.4 update allows enabling of TRIM support for non-Apple SSDs

Careful with Trim and Samsung SSD's.
https://blog.algolia.com/when-solid-state-drives-are-not-that-solid/

http://arstechnica.com/apple/2015/06/latest-os-x-update-allows-you-to-enable-trim-for-third-party-ss...
This topic first appeared in the Spiceworks Community

Yosemite and Trim Enabler for SSD?

I have recently replaced my macbook pro's hard drive with a SSD. Currently I am running mountain lion but would like to upgrade it to Yosemite. Upgrading it is not an issue. However I have learned that enabling Trim Enabler on Yosemite will open up security issues and I read an article on Cindori website that there is no other alternative for this. I am wondering if anyone has found a way to install Yosemite and use Trim Enabler without sacrificing the security features on mac. Also what will happen if I upgrade to Yosemite and not use Trim Enabler at all? How will it affect the SSD?

TechApple wrote:
...I finally settled for Adata. Now is that a good brand? Yes, I was thinking of updating to yosemite and not use TRIM enabler at all and I am sure it will work fine. But I have read a lot of articles which say not using TRIM enabler affects SSDs life & efficiency and slows down the system in long run. I am not an expert but definitely do a lot of online research and this is what I have learnt so far. Although I am not sure what is the difference in life of SSD between a TRIM enabled and TRIM disabled system.
If your research hasn't included this article, it's worth a read because it gets into, among other things, how SSD's differ from HD's, and how TRIM helps compensate for that difference. As to the Adata, here's a review of that which is of special interest because of the apparent similarity to the Crucial M550. I'm using both an OWC SSD, which refuses to make use of TRIM because OS X sees it as a "rotational" drive (internally, it's a RAID configuration which doesn't support TRIM), and a Crucial M500, which works fine with TRIM, and which has shown no loss of performance during a year of use, perhaps because of assistance from TRIM.
As to "sacrificing the security features on mac," keep in mind that the TRIM Enabler/Yosemite conflict started with Yosemite and only the security feature introduced with Yosemite is affected. All of the earlier versions of OS X didn't have the kext signing feature but somehow we managed and the rest of the OS X security features are still in place.

Enable Trim Command for SSD

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