SSD feature that discards blocks containing deleted data

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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 ...
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247 views

Is there a way to determine if TRIM is why my HD is slow?

I have a computer with RAID1 SSDs, but the performance I'm getting out of them is really bad (around 20MB/sec sequential read). They don't have TRIM enabled since it's an old Linux kernel, so before I ...
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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 ...
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946 views

Intel SSD Toolbox options are disabled for SSD when Intel Firmware update works fine

I configured my BIOS to use JBOD instead of RAID because RAID does not support TRIM for SSDs. My laptop BIOS does not have any option for SMART or AHCI, it's just JBOD or RAID0 or RAID1. Bootable ...
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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 ...
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1answer
783 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 ...
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1answer
536 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 ...
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556 views

Idling on windows logon screen to allow SSD to recover free space?

On this page, the very last paragraph states "For use within windows 7 there is absolutely no maintenance needed apart from allowing the machine to idle at the login screen for a few hours each ...
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3answers
968 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 ...
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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 ...
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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?
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MacOSX SSD potential performance issues (TRIM) with VM guest OSes

So, back in September of last year, I was pretty sure I was going to buy an SSD for my MacBook Pro (2009); here's my previous post. I decided to hold off and wait for Intel and OCZ to release their ...
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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.
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1answer
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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 ...
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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.
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1answer
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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?
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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 ...
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Manual TRIM Windows 7 on OCZ VERTEX 2 SATA II 2.5" SSD

I have an OCZ VERTEX 2 SATA II 2.5" SSD with Windows 7 Professional installed on it. I am pretty sure TRIM is not working because my motherboard is the Asus M2N-SLI (not the Deluxe model) which does ...
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2answers
805 views

Does TRIM work under Windows 7 using NForce Raid and SSD drives?

I can't seem to find a straight answer. I've got a motherboard with an Nvidia 780SLI chipset. I've installed the latest Nforce RAID drivers, and installed Windows 7 running on a pair of Crucial C300 ...
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2answers
998 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 ...
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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. ...
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1answer
286 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 ...
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Should I format my SSD on my macbook pro

I have a macbook pro with an SSD. Would formatting my hard drive make a difference from a speed perspective seeing as how OS X doesn't support TRIM?
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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!
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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 ...
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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 ...
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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 ...
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2answers
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Why don't I have TRIM on Ubuntu 10.04 + ext4 + Samsung SSD UM41 + Latitude 13?

I'm running Ubuntu 10.04 and lshw shows a "SAMSUNG SSD UM41". Thanks to SU, I determined previously that my system isn't using TRIM. Summary: my BIOS SATA settings should say AHCI (check) kernel ...
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2answers
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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 ...
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5answers
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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 ...
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1answer
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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 ...
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How to install the TRIM RAID update for the Intel storage controller?

I just found this article, that says that Intel now supports TRIM for SSDs when the Intel storage controller is in RAID mode. It links to this download page. I'm pretty excited about that, but I'm a ...
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1answer
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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 ...
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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?
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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: ...
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5answers
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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 ...
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3answers
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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 ...
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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 ...
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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, ...
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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 ...
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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?
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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 ...
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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 ...
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6answers
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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 ...
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6answers
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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 ...
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3answers
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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 ...