SSD feature that discards blocks containing deleted data

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27 views

Shockingly slow SSD reads on Debian Jessie

I set up a desktop computer after nine months in the attic. I somehow doubt this is related but I don't remember it being this way. It took six minutes or so to boot, another couple minutes for GUI ...
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0answers
542 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
13 views

Trim unmounted ssd

My SSD is currently in use as LVM storage for KVM machines. For administration I use virt-manager, it manages partitioning and passthrough of the ssd itself, so there is no real mountpoint in the ...
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1answer
76 views

Linux, SSD, BTRFS and Trim

I'm running a Linux system (based on Gentoo) with a BTRFS file system installed on an SSD (Toshiba Q300 with 480GB net). My /etc/fstab looks like: UUID=14cb9b65-... swap swap defaults,...
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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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3answers
9k 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
21 views

Removing terminal special character `^@`

when I less a file, it looks like this. ^@00002201-271f-43b9-81a7-000b0a31abe5 ^@00004695-2281-44df-b18d-bd68b63fced4 ^@00009273-3a0f-4c2e-b708-805e02147f55 ^@0000a0e6-3889-43f2-9635-63e114c38f29 ^@...
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1answer
89 views

Does TRIMming too often reduce the lifespan of a SSD?

I read that Linux doesn't issue automatic TRIM commands (the discard mount option), due to performance problems. I've added fstrim -a in my crontab to TRIM once a week. Does issuing fstrim too often ...
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1answer
3k 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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3answers
179 views

Trimming NTFS and ext4 Formatted SSD

I have a Kingston SSDNOW V300 120 GB SSD with Ubuntu 14.04 installed on the 32GB ext4 partition. When I issue the command fstrim -v /, it responds, 30998127689 trimmed. My computer detects it as two ...
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1answer
40 views

Confused whether to switch from ext2 to ext4 or not

I recently installed Xubuntu 14.04 on my old laptop and decided to buy an SSD for the new OS. I installed Xubuntu on 32GB ext2 formatted partition because I read that it doesn't have journalling which ...
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2answers
295 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
979 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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0answers
65 views

File system which supports trim command for shared SSD

I have a ~500GB SSD and I want to read/write on it from both of Windows and Linux. As far as I know, there are three choices for file system of shared drives: FAT32, NTFS and exFAT. FAT32: Not an ...
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1answer
311 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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0answers
30 views

When does SSD static wear leveling operation occur, possible to measure?

Scenario: 1) New 60GB SSD Drive 2) Install OS and Programs 40G 3) Assume windows pagefile.sys file size is 16G 4) The bulk of the OS and Programs are rarely (if ever) updated for ...
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2answers
12k 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 ...
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3answers
162 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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1answer
31 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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0answers
108 views

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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0answers
120 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
1k 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 ...
2
votes
1answer
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
684 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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2answers
6k 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
57 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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0answers
65 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 ...
0
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1answer
148 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
591 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
359 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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3answers
2k 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
139 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
178 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
3k 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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1answer
847 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
164 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
202 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
1k 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
30 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.
0
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1answer
632 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
73k 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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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
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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0answers
4k 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
137 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
801 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 http://...
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3answers
9k 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 ...