SSD feature that discards blocks containing deleted data

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34
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4answers
16k views

How badly do SSDs degrade without TRIM?

SSDs have been out for a few years, and have seen all kinds of usage patterns. Windows and Linux support the TRIM command, with Mac OS still trailing behind here. Update (2011): It appears OSX Snow ...
25
votes
5answers
68k views

How can I see if Windows 7 is using TRIM for my SSD drive?

I recently upgraded the firmware on my SSD to support TRIM and upgraded to Windows 7. How can I tell whether Windows is recognizing the drive as SSD and using TRIM correctly?
21
votes
1answer
1k views

SSD garbage collection time

Let's assume I store sensitive information on a SSD and I want to erase it without secure erasing the whole drive. I erase or overwrite the file. The OS supports TRIM, so the block containing the ...
14
votes
6answers
36k views

Is there Linux support for TRIM on SSD drives?

Does any know if there is a way to enable TRIM support on Linux for SSDs? This is included with Windows 7, and I was surprised that I couldn't find much information about it under Linux. Info on SSD ...
14
votes
4answers
1k views

How should my computing tendencies change after installing a SSD?

I am about to install an Intel X25-M SSD in my MacBook. What should I know beforehand? I understand that you do not need to defrag the drive as it does not increase performance and decreases drive ...
13
votes
5answers
2k views

Is TRIM supported on RAID 0 configurations for SSD drives in Windows 7?

I know this question has probably been asked at some point in the past, but I am trying to figure out if Windows 7 supports passing TRIM commands through RAID controllers yet. I am trying to decide ...
13
votes
2answers
268 views

SSD: “The volume is too fragmented to complete this operation”

I am currently configuring a Thinkpad E540, having inserted a 256 GB M.2 SSD into the corresponding slot, in order to run Windows 8 from the SSD instead of using the preconfigured 16 GB SSD as a cache ...
12
votes
3answers
3k views

Does Linux support TRIM for SSDs on LVM?

I am getting a SSD and need to know, does Linux support TRIM if I set up LVM on top of the SSD? I'm finding conflicting information. I'm currently running Ubuntu 10.10 with kernel 2.6.35-28.
10
votes
6answers
8k views

How to TRIM/DISCARD a whole SSD partition on Linux?

My partition /dev/sda3 on an SSD drive doesn't contain any filesystem, but it contains garbage. How do I do a TRIM/DISCARD operation on the whole partition?
10
votes
2answers
1k views

What is TRIM exactly?

From the Wikipedia page of TRIM I get the impression that TRIM was introduced to lower the writes to a SSD, but letter the file system taking case of which blocks are unused. If that is correct, does ...
10
votes
3answers
6k views

Does having TRIM enabled affect other hard drives on a computer (and how do you know when Windows is using it)?

I recently purchased a new solid state drive (an OCZ Vertex 2 (80 GB)) to use primarily for my operating system. I also have three other SATA hard drives of assorted sizes for long-term data storage. ...
9
votes
6answers
14k views

Photoshop: Trim a photo so it contains no transparent pixels?

In Photoshop, I've put together some panorama photos using the Photomerge tool and the resulting image contains a lot of transparent pixels. Also, because it's put together of multiple photos the ...
9
votes
2answers
18k views

How do I verify that TRIM is activated? (Linux)

I have kernel*.32 and I use ext4 on my drive. Now I just don't know how to check if trim support is enabled? Found this: ...
9
votes
2answers
5k views

Intel X25-M G1 (no TRIM) SSD - format and restore just as good as TRIM?

I've got an older X25-M that doesn't support trim. If I image the drive, format it, then reimage it, would that restore it to roughly its original R/W speeds?
8
votes
5answers
4k views

Does LUKS encryption affect TRIM? (SSD and linux)

I'm moving over to Linux when the new SSD arrives. SSD gives increased performance, so I thought that I could encrypt everything. But then I came to think about TRIM, and garbage collection on the ...
8
votes
3answers
6k views

Can I use something like the SSD TRIM command on a SD card?

SSD flash hard drives have started to support TRIM in order to avoid the slowdown that occurs after a while. How do I do something similar on a SD card ? Like reformating the SD card, but at a ...
8
votes
4answers
4k views

Which SSD drives support TRIM

Which Solid State Drives currently support the TRIM command? Do not include drives which use a specialised tool such as wiper.exe; I am asking about the TRIM command. Please list one per answer, ...
8
votes
4answers
2k views

Does SSD TRIM work with a 'Boot from VHD' scenario?

I have recently purchased an Intel X-25 G2 SSD (160GB) as an extra drive for my laptop. I created a fixed size disk virtual disk (40GB) and have installed Windows Server 2008 R2 onto this VHD. I now ...
8
votes
3answers
2k views

Virtual machines and TRIM

Although TRIM support was introduced to make SSD work better, it should also help virtual machines optimizing virtual disks (for example to know which parts of virtual disks needs no storage on ...
8
votes
2answers
9k views

How does VmWare Workstation perform with SSD drives?

I have read a lot of information on using SSD drives in virtualization environment and the possible problems with not supported TRIM command. I fully understand what the TRIM is, what the problems ...
7
votes
4answers
2k views

Intel RAID0 on Windows 8 not Displaying Correct Media Type

I have my primary C Drive which consists of 2 Intel 120GB SSD Drives in a RAID0. I have a clean install of Windows 8 Pro, latest MEI software, latest RST software, latest Intel Toolbox. Prior to this ...
7
votes
3answers
15k views

Best program to trim silence beginning and end of mp3 files?

I have a bunch of mp3 files that have silence at the beginnings and ends, is there any program to trim this automatically? I would prefer that I can just give it a list of files to trim as opposed to ...
7
votes
1answer
3k views

Why do we need Intel SSD Toolbox for TRIM?

Why does Intel SSD Toolbox need to schedule a TRIM on a daily or weekly basis if the underlying SSD supports the TRIM command? Shouldn't the drive TRIM in real-time without this tool? Is this tool ...
6
votes
2answers
1k views

SSD without TRIM support under Linux - current state?

There are not SSDs with TRIM support available in my region that fit into my laptop (1.8", IDE, ZIF). I'm running Ubuntu 10.10. Most articles (or questions on superuser) I've come across concering ...
5
votes
2answers
2k views

When does Linux do SSD garbage collection?

I'm trying to get an understanding of when my computer does garbage collection and frees up previously used blocks on the SSD. Is this a task handled by the OS or the SSD controller? Does this ...
5
votes
1answer
2k views

SSD — Special settings for SSD as secondary drive?

I recently purchased an Intel SSD (X25-V 40GB) and I want to add it to my PC as a secondary drive (not the boot/system drive) so I can install specific software to it. Now, do I need to do anything ...
5
votes
1answer
287 views

Other than re-imaging how can I speed up an SSD drive that doesn't support TRIM?

This Dell Latitude XT tablet's SSD drive has slowed quite a bit lately. I've read that you can do a drive image and complete wipe as one method to speed up the system, but that seems really tricky ...
4
votes
2answers
5k views

How do I determine whether my SSD (Samsung UM41) supports the TRIM command?

I'm running Ubuntu 10.04 and lshw shows a "SAMSUNG SSD UM41". Any way for me to determine (1) that my SSD supports TRIM, and (2) that my OS and FS (ext4) are actually using this? Update: Rather than ...
4
votes
2answers
999 views

SSD with trim support - do I have to configure anything?

If I install Windows 7 on SSD drive with TRIM support or if I add new SSD drive with TRIM support to existing Windows 7 installation do I have to configure anything to actually use the TRIM or is it ...
4
votes
1answer
1k views

Does TRIM avoid the performance impact of mdadm RAID 1 on SSD?

It has already been mentioned in other questions that Red Hat recommends against using mdadm RAID 1 on SSD. Red Hat also warns that software RAID levels 1, 4, 5, and 6 are not recommended for use ...
3
votes
1answer
386 views

Should I be worried about my SSD deteriorating from file transfers?

I'm a GIS analyst so I deal with huge imagery datasets daily (80GB+). Processing from our server is extremely slow so I copy files to my local drive before processing. I have both an SSD and an HDD ...
3
votes
1answer
788 views

Does Intel 320 SSD require TRIM?

My computer does not recognize Intel 320 SSD drive as SSD (Intel utility does not allow to TRIM it or read SMART data from it), but I can install and use it like any other drive. I've read that some ...
3
votes
1answer
1k views

Improve performance of RAID SSDs (without TRIM) with periodic disk defrag? Lack of TRIM even important?

I'm in no way experienced with setting up RAIDs or using SSDs, but I'm considering purchasing a SSD RAID setup (potentially RAID 10, but maybe RAID 0) and I've been doing a lot of research. A lot of ...
3
votes
3answers
969 views

Does OS X 10.7 support TRIM (SSD)?

With OS X 10.6 I had massive problems with an SSD – it became slower and slower with each day. At the end I replaced it with a classical hard disk and it was quite fast again. Now I want to ...
3
votes
2answers
2k views

Recycle Bin on SSD drive

How often should I empty the recycle bin on a SSD drive? Should I let it completely fill up the hard drive first? I am on windows 7 with TRIM enabled drive.
3
votes
1answer
2k views

SSD that doesn't need to utilize OS TRIM support to minimize degredation?

There has been a lot of development towards improving TRIM integration for OS's but I am in need of a solution to SSD integrated TRIM. I've looked through pages of SSD's on newegg.com and some ...
3
votes
2answers
15k views

How to get TRIM support on XP with a Crucial RealSSD C300?

I have seen that Intel has a tool that gives Trim support to older OSes running on Intel SSD's. We are rolling with Crucial SSD's, and everything is XP. Is there a utility or trick? Thank you!
3
votes
2answers
98 views

How can you trim repeating/consistent video from a video?

A friend is working on a sleep study for their university. As part of the study, they place night-vision camcorders in children's rooms and have to monitor how often they wake up, call out for their ...
3
votes
2answers
3k views

Win7: How do I force TRIM on SSD, when system partition is encrypted with TrueCrypt?

I beg folks answering this question to stick to the point, and refrain from answers such as "why do you run encryption anyway", or "use Bitlocker instead". This question is specifically about ...
3
votes
1answer
418 views

How is TRIM Support Handled on an SSD Accessed by Two Different Operating Systems?

I have a Lenovo T410 ThinkPad running Windows 7 Professional as the host OS, and Windows XP Professional running as a guest OS under Windows 7 Virtual PC. I am thinking of installing a 128GB SSD to ...
3
votes
2answers
1k views

How can i see if my SSD needs to have TRIM run against it?

I'm getting intermittent performance issues with my intel SSD (X25-M 160GB). every few days the Disk Queue Length gets very high and the machine effectively locks up - queue length being 10 to 15 for ...
3
votes
1answer
537 views

How to set up OSes (Mac/Win/Ubuntu) on a SSD to promote its longevity (TRIM, etc.)

I recently bought an SSD (a 64GB Crucial M4 - which I believe has garbage collection, based on these specs) for my new computer. I've installed OS X 10.7.2 on it, and would like to reinstall this and ...
2
votes
2answers
2k views

Explain TRIM, and are all SSD's going to support this with firmware updates?

I just bought a Kingston 64GB SSD to install an OS on, but after purchasing it I noticed a review that said it doesn't support TRIM and that this isn't good to install an OS. So, I did a bit of ...
2
votes
1answer
2k views

Is disk Format equivalent to TRIM on all blocks of SSD

I wonder what happens to SSD disk if I format it in Windows. Does it replace old data with new data or tells it to erase data just like TRIM command without filling anything instead ? I want to use ...
2
votes
1answer
116 views

How can a trimmed avi file be three times larger than the original

I opened up a avi file in virtualdub and trimmed the clip and clicked "Save as avi" and it saved the trimmed clip but it was 3 times the size of the original clip. How can that be?
2
votes
1answer
184 views

TRIM Consequences

I was wondering if one of you can help me understand what are the SSD TRIM command actually does in Windows . To my best of knowledge, once a user deletes a file, Windows obtains the list of clusters ...
2
votes
1answer
3k views

How to maintain a SSD drive on Ubuntu?

I am running Ubuntu 10.04 on a Intel X25-M PostVille 160 Go SSD drive with ext4. How can I tell if there's something wrong ? What should/can I do to maintain its performance/health ? Should I use ...
2
votes
0answers
130 views

How do I choose an SSD drive that does not require TRIM support?

Apple has decided to implement kext-signing in core services on startup (as of Yosemite and for the unknown future?). This creates issues for SSDs that require TRIM support for optimal function and ...
2
votes
1answer
247 views

SSD and file recovery (on Windows 8)

Typical commercial "file recovery tools" are not usefull on modern SSDs, because the recovered file (if any) appears empty. Windows 8 sends the TRIM command to the SSD when a file gets deleted from ...
2
votes
0answers
355 views

Does Windows 7 support TRIM for Spanned Dynamic Disks?

Windows 7 supports TRIM for an individual SSD, but does it work with two SSDs merged together as a Spanned Dynamic Disk? "Dynamic Disk" is Microsoft's proprietary version of LVM.The equivalent ...