SSD feature that discards blocks containing deleted data

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3k views

Enable TRIM on FreeBSD 9 Install

I recently upgraded all of the parts in my FreeBSD 9 server. I purchased an SSD to run as a the root drive - I'd like to enable TRIM on it but the only documentation I can find on it is that it can ...
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1answer
35 views

Enabling TRIM 3rd Party SSD MacBook Pro

I have a 15 inch mid 2012 macbook pro and a 3rd party Intel SSD (INTEL SSDSC2CT240A) that reports: TRIM Support: No. I have scoured the internet all returning varying statements from: Trim support ...
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1answer
463 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 ...
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1answer
321 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 ...
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0answers
31 views

Can I rely on TRIM to destruct data after file deletion?

I have a broken laptop that I want to return and I have some passwords already stored for it in the browser. I can delete the (Firefox) files that contain this data. Can I rely on TRIM to destroy the ...
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3answers
1k views

TRIM on hdd windows 7

I recently bought a ssd and I wanted to check for TRIM support. Upon running the command fsutil behavior query DisableDeleteNotify in cmd it resulted in 0 (trim is enabled). However, I ran this ...
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1answer
88 views

Cutting out two parts from the middle of a video with ffmpeg

I have two files, rec.avi and audio_edited.wav, and what I'm trying to do is take the parts 00:30:50–01:42:56 and 02:16:55–04:03:10 of each file, concatenate those and encode them into an WebM file. ...
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1answer
2k views

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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0answers
93 views

ffmpeg generates videos with start time greater than 0

I'm trying to cut videos with ffmpeg. I know how to do it in the "normal way": ffmpeg -i test.mp4 -ss 0 -t 6 -c:v libx264 -profile:v main -level 3.1 -preset medium -crf 20 -r 25 -b:v 1200k -minrate ...
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2answers
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 ...
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0answers
38 views

SandForce SF-1200: Is it worth secure-erasing to recover from performance degradation?

I have an OCZ Agility 3, 120 GB in a Windows 8.1 system. The drive is well used and only has a sequential write speed of about 80-90MB/s left. My question is: is it worth going through the trouble ...
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20 views

Chop everything after the first 30 seconds of MP3s on mp3splt-gtk 0.9.2

Chop everything after the first 30 seconds of MP3s on mp3splt-gtk 0.9.2, so I would like for my whole batch within the file of Mp3s to be only the first 30 seconds of the song, and everything else ...
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1answer
560 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 ...
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1answer
1k views

Windows 7 and Windows XP on an SSD+HDD setup?

I'm about to build a new gaming PC for the first time in seven years, and I'm a bit rusty, so I thought I'd ask the community here some advice on the OS side of things before committing some cardinal ...
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0answers
86 views

fstrim trimming a lot of bytes, don't think I did that much deletion

Recently I install a SSD on my Linux Mint 17.1 system. I configured the common things like io scheduler to be noop, mount /tmp and /var/log over tmpf, running fstrim for both root and home partitions ...
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1answer
2k 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 ...
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1answer
109 views

running fstrim on ssd that was previously being used in non-SSD aware OS

I want to understand if and how fstrim will improve performance on a ssd drive that hasn't been trimmed for some good time because it was used by an OS that didn't support trim or assume OS/filesystem ...
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0answers
583 views

TRIM on non-SSD RAID?

A server has been experiencing temporary lockups (1-8 minutes) for some time and I recently found they have been corresponding to VSS snapshots lately. Through event logs I was able to determine that ...
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1answer
26 views

Perform trim-like operation on a normal HDD?

Is there a way to perform the same thing on a HDD as Trim does on a SSD. I assume the used sectors should be rewritten with 0 or 1.
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1answer
388 views

Ubuntu: SSD TRIM is taking too long

I posted this question before, but with no answer: (http://askubuntu.com/questions/400233/fstrim-is-taking-too-long). I'm using ubuntu 13.10, I call fstrim -v / on boot rc.local. Recently I realized ...
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5answers
71k 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?
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61 views

How do I silence part of an audio file using sox?

I have recordings that should have sections of 30 seconds (or so) excluded from the file. Currently, we just trim those sections out: sox -V1 file.wav -e signed-integer -r 8000 -c 2 -t wav temp.wav ...
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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 ...
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2answers
3k views

How to know in Windows 8 if TRIM is enabled in SSD hard drive? [duplicate]

I have a SSD drive and Windows 8 installed. Where can I find if my drive has trim activated?
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0answers
114 views

PCI-Express RAID Controllers with TRIM Support

I've an AMD Athlon computer with Windows 7 and I'd like to set up an SSD Raid 0. Are there any PCIe RAID controllers with TRIM support available on the market? The only thing in this are that I've ...
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0answers
3k views

Windows 8.1 fails to optimize System Reserved partition

I have Windows 8.1 Professional x64 running from a 256GB OCZ Vertex 4 SSD. Windows has divided the drive in to two partitions: System Reserved (350MB NTFS) C: (238.13GB NTFS) Whenever Windows ...
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2answers
4k views

VirtualBox and SSD's TRIM command support

I am aware of the huge number of posts on the internet saying that this would not work and why and I really spent days looking for the solutions months ago but I've found yesterday some tips how to ...
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0answers
162 views

What happens if I execute fstrim for a HDD instead of SSD?

Sorry for my not so good English. I'm preparing a Xubuntu 12.04 Clonezilla image for rapid deployment to new PCs in my company. PCs we are buying may have either HDD or SSD drives. My boss requested ...
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2answers
120 views

Mac Mavericks and SSD

Months ago I upgraded my Mac Mini to include a 240 GB SSD to use as a boot drive. At the time I was unfamiliar with TRIM. I noticed a slowdown in function over time and and implemented TRIM. Since it ...
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0answers
539 views

Bitlocker with 2 SSDs in RAID 0 - Does TRIM function?

I've found that in Windows 7 and 8 if you have one of the newer versions of Intel Rapid Storage Technology the TRIM command is passed to SSDs in a RAID configuration (see here for example ...
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3answers
7k 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 ...
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6answers
11k 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?
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1answer
431 views

TRIM vs Writing Zeros: The same?

As to what TRIM does to SSDs, is the result the same as with writing zeros to free space? Eg: running cat /dev/zero > zero.file; rm zero.file on the drive?
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0answers
111 views

Fast & Accurate trimming of small parts from mp4 files

I am looking for a method to quickly trim around 2 frames from the edges of mp4 files. Using ffmpeg I am able to do that with the following, however i'd like something faster: ffmpeg -y -i myVid.mp4 ...
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1answer
396 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 ...
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1answer
66 views

Linux: SSD TRIM for other partitions

I have SSD with Linux installed, with two ext4 partitions. The first one is the mount point /. It's trimmed periodically via fstrim /. The other partition is rarely mounted, and used as media ...
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0answers
40 views

Win7/Server2008: Automatic differences SSD/HDD installation

It is said that a new installed Win7/2008 has "some" settings different if it was installed on a SSD than they would be on a HDD. Do someone have a reliable statement on what exactly is different? I ...
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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: ...
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1answer
1k views

eMMC Standards and File System support

I am looking into Android secure erase functions and realized a few things: Android uses eMMC as its storage media, eMMC standards are set by the JEDEC organization (currently most of the ...
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1answer
447 views

VMWARE ESXi and SSD - ext4 trim discard

I'm running ESXi 5.5 box with Debian as guest OS. and I'm planning to use SSD disk(with ext4) for MySQL database for performance reasons. ESXi recognizes that I'm using SSD disk. But how to let know ...
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2answers
4k 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 ...
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4answers
3k 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 ...
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6answers
18k 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 ...
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3answers
3k 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 ...
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0answers
375 views

SanDisk SSD, Builtin Background Garbage Collection

Looking at the spec sheet of the SSD's that come in my laptop: SanDisk (X110) http://www.sandisk.com/Assets/docs/X110_data_sheet.pdf It states "Background garbage collection" and "Support for TRIM" ...
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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 ...
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1answer
351 views

RAID0 SSD performance degredation

I have a computer built to acquire uncompressed 2048 x 2048 16 bit images at 100 frames per second in real time, writing to disk. A RAID0 of SSDs is thus the only option. For the past month or so, ...
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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 ...
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2answers
327 views

TRIM High level or low level? and Running a VM on a ssd

Is TRIM high level (such as deleting files within the operating system) or low level (it monitors all disk activity). For instance if I run a VM within my windows 7 host, will the data deleted and ...
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1answer
188 views

TRIM for SSD — Is is really that good?

I'm a newbie to SSDs and nearly complete beginner to TRIM, so this may sound a little bit dumb. I found many articles (for example this one) and even more Internet sources that claims, that "TRIM ...