Solid-state drive; a device that uses solid-state memory to persistently store data, often as a replacement for a traditional hard drive. Because SSDs do not use mechanical seeking to access data, they can provide much higher performance than hard drives especially with random I/O operations.

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284 views

Is a MLC still slower and less reliable than a SLC SSD?

Most laptop vendors seem to supply relatively cheap MLC drives with their pre-built configurations. I know that the traditional drill is that a SLC is fast and reliable while a MLC is slower and ...
6
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2answers
1k views

How much free space should I leave on an SSD drive?

Is 8% "ok", or will I feel a performance degradation? I'm not sure what the specific model is right now, but can find out if needed.
5
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1answer
328 views

Can I run with a computer in my backpack?

This maybe a tad off-topic, but as it says on meta, hardware questions should be fine on Super User. I want to run home from work (~20 min of jogging) but I need to bring with me my laptop, a Macbook ...
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1answer
5k views

In Windows 7, can I create a Symlink or Junction for winsxs or installer folders

I have an SSD as my C:\ drive, and it's only 128 Gig. I'm noticing that the C:\Windows subfolders "winsxs" and "Installer"--both of which I've read numerous places that one should never delete ...
4
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2answers
1k views

My Intel 320 SSD - is encryption automatic?

So, I have just received an Intel 320 series SSD. They state that once I set my ATA passsword (through the BIOS), that encryption will then be active. I see no sign of this noted in the SSD Toolkit ...
3
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3answers
2k views

Trying to make SSD boot drive with Windows 7 and old drive is not accessible

I wanted to upgrade my old computer. So, I made a new computer, and bought an SSD (Intel 40GB). I did a clean install of Windows 7 on the SSD. I also put my old hard drive (400GB spinner) with all ...
3
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1answer
3k views

Migrating Dual Partition HDD to Solid state drive

My current Configuration is a Macbook Pro 15" early 2008 with a 100gb HDD and I'd like to replace this with a Solid State Drive. The tricky part is that I have an OS X partition and a Windows 7 ...
3
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2answers
2k views

Fix degraded SSD performance on Mac without full erase

I bought one of Intel's SSD a few months back. When I bought it I could easily reach the advertised speed but after a few months it has degraded very badly. Most any action that requires writing to ...
2
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2answers
5k views

Can I setup two RAID arrays on a single intel z97 controller?

Let me preface this by saying that I have never setup a RAID array myself, other than by using software RAID 0 in Windows for a set of storage drives. I purchased a new ASUS Maximus VII Hero ...
2
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3answers
4k views

What is the average life of an SSD? [closed]

What is the average life-span of a solid-state hard drive? What factors determine the life span?
1
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1answer
1k views

How can I restore RAID 0 on my DELL laptop?

I have been formating my dell laptop for quite a while, I bought it back in 2012, with one year warranty, it ended last august, but I think since the moment I formatted it to windows 8.1 I probably ...
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2answers
9k views

Is my SSD disk aligned to 4k sectors and if not how do I fix it? [duplicate]

As per another post here on SU, I'm trying optimise performance of a USB 3.0 attached SSD drive. I've been told that aligning to 4k boundaries should improve performance(?). So how can I check that ...
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2answers
3k views

Should I enable TRIM support in Mac OSX 10.6.7 for SSD with SandForce SF-2281 controller (Vertex 3)?

Recent articles in Mac Rumors and Life Hacker (which actually reference this question on SU) say that using TRIM will prolong the life and increase the performance of an SSD. I just got an OCZ ...
0
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2answers
472 views

Extracting uncommon components from Windows installed on SSD

I have a 50gb SSD harddisk with windows 7 installed on it. I did this for performance for my windows installation and the related applications (Visual Studio, etc). In a projects folder I also store ...
13
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2answers
3k views

Hybrid Hard Drives, how do they work?

I was reading yesterday's Jeff Atwood blog post on Revisiting SSD and I first heard about hybrid hard drives: a HD that has a small SSD portion (let's say 4GB) and the rest is a regular spinning hard ...
9
votes
7answers
4k views

Are SSDs worthwhile for software development? [closed]

I have a MacBook with 8GB of RAM and a 500GB 7200rpm hard drive. I write software for a living. I am contemplating getting an SSD Drive, but I am unsure about the performance. Do SSD drives really ...
8
votes
3answers
6k views

What advantages and disadvantages have Hybrid SSD/HDD RAIDs

I just read about Hybrid RAID arrays consisting of SSDs and common HDDs which are supported by Adaptec's RAID controllers. Does such a RAID configuration provide real advantage? Isn't write ...
7
votes
3answers
18k views

Highest effective transfer rate on SATA II

Assuming I have a SATA III SSD drive that has a throughput of >500 MB/s. What is a reasonable estimate of the effective throughput on a SATA II controller? I know that SATA II has 3.0 GBit/s ...
7
votes
1answer
7k views

Windows 7 freezes with SSD

I have a new SSD (Kingston Hyper 120GB), with a fresh installation of Windows 7 (and several HDDs). For no apparent reason, my computer freezes. I cannot move the mouse, the sound glitches, but after ...
7
votes
6answers
6k views

Will I see performance benefits from an SSD in my laptop?

I have a Dell Latitude D520 1.6ghz, 4gb ram. I'm looking to postpone a laptop upgrade by getting one of the new Intel X25-M G2 SSDs. Any thoughts or experiences on if such an upgrade will help? I ...
6
votes
2answers
2k views

How to append data in a file by dd?

I want to append new data in a file stored in SSD. dd if=/dev/shm/test of=/data/sdb/test bs=1G oflag=append But df -h shows the dd command always overwrite the test file, instead appends new data ...
6
votes
5answers
962 views

SSD cache to minimize HDD spin-up time?

short version first: I'm looking for Linux compatible software which is able to transparently cache HDD writes using an SSD. However, I only want to spin up the HDD once or twice a day (to write the ...
6
votes
1answer
952 views

How can I optimize the speed and lifetime of SSDs used in a RAID-0?

I have two SSDs in RAID-0 on a Windows 7, 64-bit system. Since it appears that TRIM still isn't supported with any RAID configuration of SSDs, what are some tips/workarounds that I can use? Some ...
5
votes
1answer
1k views

Is it a good idea to disable short filenames on Windows 7 running on a SSD drive?

http://oreilly.com/pub/a/windows/2005/02/08/NTFS_Hacks.html By default, NTFS creates an 8.3 filename every time it creates a long filename, which adds a bit of time to the file creation process. ...
5
votes
1answer
290 views

Did disk drives get much faster over the last 10 years?

I wonder how fast the disks were in 2001, 2004, 2007, 2010... I seem now able to make a whopping 80MB per second, although random access time is pretty awful still. Is the speed of drives still ...
5
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1answer
575 views

Do I need to do something about partition alignment when installing Windows XP on a SSD drive?

I just got a new SSD drive (OCZ Vertex 2) and installed Windows 7 on it. Problem is, now I need to install XP also for some legacy applications that I run. I read here, among others, that XP has ...
5
votes
2answers
700 views

Linux Directories to Map to SSD

I am going to do a reinstall of Ubuntu on my workstation and have an SSD in there. Which directories would you map to the SSD during installation for the following criteria: Rather not blast it with ...
5
votes
2answers
6k views

BIOS setting: AHCI or RAID (when using SSD + 2x hard drive in RAID-0)

I want to add a new SSD and use it as system drive with Windows 7 x64 installed. As driver I chose newest Intel Rapid Storage driver (not MSAHCI). I know that I have to use AHCI as BIOS setting for ...
5
votes
4answers
935 views

Replace HD with SSD in MacBook where CD/DVD drive is broken

My prev gen (non-unibody) MacBook Pro could use an SSD. I want to replace the existing HDD with an SSD. That's the easy part. The hard part is that the CD/DVD drive on this MacBook is broken. So I ...
5
votes
5answers
979 views

Solid State Disk for a desktop computer [closed]

I am building a new desktop computer and would like the performance and energy benefits of a solid state hard drive of 128GB-256GB. Looking around the internet I can't seem to find anything suitable. ...
4
votes
1answer
6k views

SSD and monitoring writing to C:\Windows\Prefetch\ReadyBoot\ReadyBoot.etl

I have been monitoring write activity to the following file. C:\Windows\Prefetch\ReadyBoot\ReadyBoot.etl Since I have Windows 7 installed on an SSD, that there would not be any readyboost activity. ...
4
votes
1answer
9k views

“Acceleration” not available in Intel SRT menu

I have an Asus Z68 Motherboard on an existing system running Windows 7 x64. I now want to install an OCZ Agility 3 SSD to make use of the Intel Smart Response Technology. Apparently, it's not an easy ...
4
votes
1answer
2k views

Tools/Tips to reduce the files/directories in C: which is SSD on Windows 7

I bought a SSD to install it as C: drive on Windows 7. As the SSD size is relatively small, I need to come up with an idea to reduce the files/directories in C:. What I found is as follows. Run ...
4
votes
2answers
467 views

secure file erase on SSD

With ssd's drive levelling feature using different sectors for files, would using an erase program like eteraser's privacy guard and setting it to securely wipe all free space and file slack securely ...
4
votes
2answers
3k views

How to hide a partition?

I bought a small 32 GB SSD to store the operating system (Windows 7) and my applications. I'll copy the existing boot partition (30 GB) from my harddisk (WD Velociraptor) to the SSD using GParted ...
3
votes
1answer
421 views

How does SSD achieve wear-leveling when disk is near-full?

I'm trying to understand this. Say I have a 256GB SSD, 180GB of which are already occupied by permanent files (OS, installed programs etc.). The remaining 70GB or so gets new files created and ...
3
votes
2answers
4k views

Installing firmware with samsung magician dc

I am trying to get Samsung magican DC to work on my linux (linux mint 17 xfce) computer. I downloaded samsung magician dc from here. Then I downloaded the firmware update files from this page (under ...
3
votes
1answer
236 views

SSD Wear-Leveling and Fragmentation

I'm trying to understand the effects of wear-leveling on fragmentation in SSD. To be more specific, when the SSD controller decides to allocate a noncontiguous block to a file because of ...
3
votes
5answers
8k views

Is it bad to defrag a ssd? Or just pointless? [duplicate]

I've read on some websites that it's bad to defrag an ssd. But I'm reading on this website now and one person was like "You didnt do any harm its just not necessary to defrag it." I feel like that's ...
3
votes
1answer
2k views

Is free space required on a SSD for performance? [duplicate]

Possible Duplicate: Does low disk space affect SSD performance? Follow-up question: How do I calculate an over or under-provisioning amount of space for my SSD? After looking at some ...
3
votes
2answers
7k views

Install Windows 8 Upgrade to a new SSD? [duplicate]

Possible Duplicate: Windows 8 Pro Upgrade but no previous version of Windows installed I have a legit Windows 7 installed on my C:\ SSD drive. I have about 10 gigs left of 80 gigs total. So ...
3
votes
1answer
7k views

Properly disabling Intel SRT

I just purchased a Dell XPS 8500 that comes with a 2TB mechanical HDD + 32GB SSD that is configured to use Intel's SRT. I'm planning to dual boot Win7 and Ubuntu, but it seems like SRT drivers are ...
3
votes
1answer
898 views

Partitioning Scheme on HDD+SSD system

I have a fresh Samsung ultrabook with 500GB HDD and a 16 GB SSD. It came with Windows 7 installed. I am going to dual boot with Xubuntu 12.04. The following is the layout as seen from GParted. ...
3
votes
2answers
2k 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 ...
3
votes
1answer
562 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 ...
3
votes
1answer
950 views

Turn off SSD on idle

I know that one usually should’t make Windows turn off idling hard disk drives, as the repeated turning on and off is bad for the mechanics. But what about SSDs? My new notebook has an SSD, and the ...
3
votes
2answers
6k views

Can an SSD drive be reused / reformatted after a failure?

Being new to SSD (I don't own/use one, yet), how severe can storage loss be on those drives? I heard that the entire drive can pretty much get lost instantly due to the technology it uses to store ...
3
votes
4answers
10k views

My new Lenovo T410 has slowed to a crawl. How do I fix it?

I've been using Windows for over 18 years now and consider myself a power user. This laptop is about 6 months old) specs: 4 GB RAM and running Windows 7 enterprise with a 120 GB solid state drive. ...
3
votes
1answer
2k views

Is there an eSATA memory stick / thumb drive? [closed]

The new PC I just finished building has eSATA support. I use a USB stick/thumb drive all the time on my PC for stuff, is there an equivalent available anywhere for eSATA? Please list one product per ...
3
votes
2answers
6k views

Any Solid State Drive (SSD) Compatibility Issues/Concerns with Dell D820/D830?

Are there any compatibility issues or concerns for a SSD with a Dell D820 or D830? We're looking to replace a failing drive in a D830 with an SSD. Any SSD recommendations? Gotchas?