SSD feature that discards blocks containing deleted data

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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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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
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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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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
48 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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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
5k 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
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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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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
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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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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
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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
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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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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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33 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
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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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1answer
733 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
317 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
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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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0answers
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Can I enable discards on a LUKS-encrypted ssd drive in RHEL6 (and do I need to)?

I have a RHEL 6.4 workstation, running on a LUKS-encrypted LV residing on a SSD. I found RedHat documentation stating that dm_crypt does not currently support TRIM passthrough, however I also found ...
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131 views

How to verify TRIM/discard on encrypted swap?

I am using an encrypted swap partition via ecryptfs-setup-swap on my Ubuntu 13.04 computer using a SSD. I have manually set up trim for my ext4 root partition (simply by adding the "discard" option ...
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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 ...
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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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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 ...
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200 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
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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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1answer
189 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
465 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
141 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
148 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
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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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2answers
572 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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176 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
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 ...
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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
648 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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2answers
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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 ...
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5answers
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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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280 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
222 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
284 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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0answers
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 ...
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4answers
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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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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.
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1answer
287 views

Is Sandforce SF-2200 hardware level Garbage Collection enough?

If I have a SSD with a sandforce SF-2200 controller do I need to worry about TRIM support? Is the hardware level garbage collection sophisticated enough to not worry about this?
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1answer
361 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
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1answer
369 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 ...
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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 ...
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2answers
2k views

Use TrimEnabler with SanDisk Extreme SSD?

I've just put a SanDisk Extreme 240GB in my new MacBook Pro running OSX Lion. Now I'd like to know whether I should use TrimEnabler to enable the TRIM function or not.