SSD feature that discards blocks containing deleted data

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Does Windows trim unpartitioned (unformatted) space on an SSD?

Laptop with Windows 10 Pro v1511 x64, with 512 GB Samsung SSD 850 PRO as system drive. In an attempt to overprovision space on the SSD, I just shrunk the system partition from about 475 GB to 400 GB. ...
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2answers
51 views

What SATA version do I have?

I wonder what SATA version my laptop uses as I intend to install an SSD and want to choose the most suitable TRIM options in (probably Debian) Linux. The information presented by smartctl is: Model ...
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0answers
132 views

SSD TRIM support on RAID-1 array through Intel RST

I'm making the jump from HDDs to SSDs on my home desktop, and I'd like to retain a basic level of redundancy (RAID-1) like what I have with my HDDs. Right now, I'm using Intel's RAID controller on my ...
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0answers
56 views

Should I enable TRIM Kali-Linux?

I just want to be sure that I have Kali-Linux properly installed on my new computer when it arrives. I've heard that the TRIM command is best for writing and deleting files on SSDs, am I right? Some ...
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1answer
393 views

Samsung 850 Pro SSD on Linux

I've read about the queued TRIM issue of Samsung 850 Pro SSD on Linux. They are blacklisted in the kernel for queued TRIM operations. Are there some other, "unqueued" TRIM operations which are then ...
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3answers
2k views

TRIM Debate: Mac OS X El Capitan & Samsung 8xx EVO/PRO

As you may know there are opposing arguments on enabling TRIM on Mac OS X systems. Some people claim that, since it’s blacklisted in Linux systems, TRIM should never be enabled in Mac OS X systems for ...
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1answer
260 views

Windows 10 “optimize drives” shows SSD as “hard disk drive”

I upgraded my old computer with a Samsung EVO 850. I did a clean Windows 10 installation. Installed Samsung Magic and fixed all the AHCI settings. Now I have full 6Gb/s transfer speed. However, my ...
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1answer
23 views

Virtual machines, TRIM, spares files

Assume the following: I have [an SSD with] a host file system (FS) and a host OS. The virtualization software uses a file on the host FS as storage for a virtual machine (VM) disk image. The guest OS ...
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40 views

TRIM related kernel panic every restart

I installed the El Capitan GM beta and now every time I restart I'm greeted by this: I used this guide to fix the issue, but I need to run it every restart to get around the kernel panic. Anyone ...
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1answer
101 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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49 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 ...
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1answer
120 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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142 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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0answers
134 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
714 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
356 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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1answer
157 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
900 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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2answers
4k 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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1answer
29 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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0answers
674 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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2answers
133 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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1answer
566 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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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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0answers
123 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
441 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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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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1answer
72 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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1answer
510 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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0answers
44 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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1answer
502 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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442 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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2answers
5k 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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1answer
403 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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1answer
2k 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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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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2answers
409 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
196 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 ...
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2answers
2k views

Is it worth buying a SSD disk for a motherboard that only supports SATA I?

The title says it all: I wanted to make an upgrade to my old computer. The motherboard only supports SATA 1 (Asus P5GD1 Pro). Do you think that I can still have significant gains in performance ...
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0answers
319 views

Can a TRIM capable SSD be used on a non-TRIM system and transferred to a TRIM capable machine for maintenance?

My current system has a slow hard drive, through a PATA interface. SATA interface is not an option. I am planning to replace the HDD with an mSATA SSD through a PATA adapter, though this will not ...
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1answer
3k 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 ...
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1answer
1k views

TRIM for Raid0 SSD Arrays, do I need to use Intel SSD Toolbox? [duplicate]

Possible Duplicate: Is TRIM supported on RAID 0 configurations for SSD drives in Windows 7? I recently upgraded my computer due to a failed motherboard and decided to have some fun with ...
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1answer
536 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
302 views

Driver for RAID-0 TRIM passthrough on AMD southbridge

Intel provides a driver that enables RAID-0 TRIM passthrough for Intel 7 Series chipsets: http://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=21407 Do you know where AMD provides their driver ...
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1answer
417 views

Linux fine tuning for Vertex 3 SSD

I've been reading about optimizations for SSD disks on Linux, there is lots of info out there although very confusing and most feel outdated so I'd be grateful if someone sheds some light on the ...
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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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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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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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1answer
443 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
479 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 ...