A solid-state drive (SSD) is a data storage device that uses solid-state memory to store persistent data with the intention of providing access in the same manner of a traditional block i/o hard disk drive.

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How do I evaluate an SSD caching solution for home desktop use?

I've got a 30GB SSD that I would love to start using as a cache for my larger HDDs. I primarily want to improve apparent performance for general desktop use. I do the occasional massive DB migration ...
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16 views

Where to report bug of BIOS of Ativ 4 Notebook to Samsung?

I'm looking for a place to report BIOS bug on Ativ 4 Notebook. After updating BIOS from version P01RBG to P08RBG my ssd is working only at SATA2 speed (up to 260MB/s). Before it it worked at up to ...
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3k views

Using samsung SSD magician on linux

I have a samsung SSD and Samsung has a magician software for their SSD. I would like to use it, however I just have linux and the software is only supported on Windows. Is there a way to install it ...
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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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2k views

Clarification On Write-Caching Policy, Its Underlying Options And How It Applies To Hard Drives And Solid-State Drives

In last week after doing more research on subject matter, I have been wondering about what I have been neglecting all those years to understand write-caching policy, always leaving it on default ...
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243 views

HDD very slow performance after full copy from SSD

The PC: Core i7-4770, 16GB RAM. There are 120GB SSD and 1TB HDD (new without any bads). On the SSD I had Windows 8.1 installed with all other stuff. Someday all programs exceeded 120GB limit and I ...
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64 views

Utilizing the full power of my workstation

I am not a gamer. Used to be, 10+ years ago. My workstation is strictly for business: Quickbooks Excel Access General Business QuickBooks is tied to a synchronization engine that is synchronizing, ...
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109 views

Why won't my SSD boot when it's cold?

I know that some SSDs rarely have an issue with "cold boots" under certain firmware and software configurations. However in this case I have had two SSDs (different brands) that would literally not ...
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90 views

Cloning win 7 32 bit from HD to SSD Macrium reports incompatible sector size

Created a drive image of Win 7 Prof 32 bit on an HP 6930P laptop from the internal Seagate 160Gb HD on to a USB 3 TB Toshiba HD with Macrium (5.something,latest free download) and verified. Bought ...
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90 views

What desktop computer hardware specifications are most important for database heavy applications?

I am purchasing a new personal desktop computer with the hope of improving performance for database-heavy applications (mostly data mining). I will want versatile hardware for all sorts of future ...
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406 views

How to unlock a password protected locked Intel SSD?

I've got a problem with my Intel X25-M 80GB SSD drive that was in one of my laptops (Lenovo). Since I've got a few laptops (work and stuff) I didn't touch this laptop a while and I forgot my passwords ...
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71 views

Disk Image Clone Issues

So, here's my situation. I have a 1TB HDD that I want to clone onto a much faster 120GB SSD, without particular partitions. The software which came with the SSD, Acronis True Image HD, keeps running ...
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203 views

Super slow SDD write speeds with RAID 1

I have a very new computer system, configured in RAID 1, but was surprised that the write speeds were extremely slow! Here is a snapshot of my computer setup: Motherboard: Asus Z9PE-D8 WS ...
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982 views

Issue using a “used” SSD as a Windows 8.1 Boot Drive

So, I'm something of a Mac person, but decided to take a stab at this whole "build yourself a PC" thing - right now, the thing is assembled, posts just fine, and can get to the BIOS. The problem is ...
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39 views

Can the contents of caches using non-volatile storage (i.e. SSDs) get used after a machine reboots?

When caching with a non-volatile medium does data that was used the last time the machine was powered on get used again? For example would a SSD configured using SRT still hold the contents from the ...
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219 views

Making sysvinit load EVERYTHING in parallel - why does this even work?

I edited /etc/init.d/rc on my Debian machine and changed startup boot to startup boot &. Boot time decreases ridiculously, and no race conditions happen at all. Way faster than even Systemd (which ...
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376 views

How to monitor hard drive thrashing with SSD?

A question I just asked here regarding HDD hard drive thrashing has prompted me to give pause and think about SSD thrashing. IMO, thrashing (ie, rapid and excessive reads and/or writes) is never good ...
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231 views

Copying certain files between two SSD's is really slow

I have a couple ~1GB folders that I am copying from my 128GB Samsung 830 SSD to my 250GB Samsung 840 SSD (Brand new). It goes at around 250MB/s as expected for the first half, but then it stalls ...
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97 views

SSD cache to minimise disk uptime

I am planning to build a small server for personal use, utilising a relatively large RAID-5/-6 (or RAID-Z/-Z2) array as main storage. The vast majority of workloads I envision for this would have ...
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0answers
85 views

How to move a win xp installation from two partitions of same HDD to two separate discs?

I have a question regarding windows setup: I have a win xp installed like this: one disk drive with two partitions C: - system data, etc. D: - all user data (user accounts) now I bought an SSD ...
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309 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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2k views

How do I install Intel SSD Firmware from a USB flash drive on a Mac

I've removed my Optical Drive and installed my HDD there instead on my MacBook using OWC's Data Doubler. Furthermore I've installed a Intel 520 180GB SSD in my main drive slot. Now I want to install ...
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397 views

Boot records messed on dual boot (win7 and ubuntu) machine with SSD and HDD

I have a Lenovo Ideapad y570 with two hard drives: SSD and normal HDD both managed by RapidDrive and Windows 7 pre-installed. First, I have shrunk my 500 GB HDD a little bit to make some place for a ...
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75 views

How big is PATA throughput on original Macbook Air (Rev A)?

I still have one of the original Macbook Air's that I use sometimes. It's got 2Gb of RAM and whenever it's filling up and starts paging, the whole things becomes barely responsive. I've heard SSD's ...
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378 views

How to prevent “invalid volume free block count”

Today, there is an error on my Macbook Air, "invalid volume free block count". Repair is required. I wondered what causes this kind of error. How can I prevent it from happen again?
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454 views

Is there documentation for the command line interface of the Marvell Disk Storage Utility?

The Marvell Disk Storage Utility (DSU), as required to enable and configure HybridDuo mode with a Highpoint Rocket Hybrid 1220, Asus P8P67DLX or Lycom PE-115H has a command line interface, but neither ...
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320 views

Why does my disk ignore erase and write commands to some sectors?

I did an ATA secure erase on an SSD (with SystemRescueCD and hdparm). Some parts of the disk are reset to zero, but some parts are not. In particular, the MBR and the boot sector of a Windows Vista ...
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234 views

Can't Boot With SSD As Cache

I have an issue where I can't boot into Windows 7 using a Crucial M4 SSD as cache. I have two Caviar Blue's in a RAID1, and the SSD is set as the cache. The motherboard is an MSI Z68A-GD65 B3. ...
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37 views

SSD is acting strange in Asus K75VM laptop

I bought an Intel 530 SSD, 240GB, which supports SATA 3. The laptop is an ASUS A75VM-TY0877V, running Windows 8.1. There are not many drivers installed, as this is just a clean install (and yes, I am ...
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67 views

Self Encrypting Drives - is it possible to bypass ATA password?

I am using TrueCrypt but I want to buy SSD with SED, it's Samsung 840 Evo. After firmware upgrade it "supports advanced data security features(TCG/Opal and IEEE 1667)". If I set ATA password, would ...
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46 views

Partition offset at 63, 64, 2048 or 4096?

I did not wish to use the entire SSD for OpenBSD 5.5. (The SSD is new and pre-formatted with MSDOS using Gparted) During installation and at the fdisk stage, I chose Partition #: 0 to install OpenBSD ...
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39 views

How to wipe SSDs with a report?

I have a bunch of SSD's that needs a secure wiping as there is sensitive data on it, but the program I use also have to give me some kind of report. I am doing this for another person, so it is ...
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33 views

Expresscache doesn't show information or statistics

After installing Expresscache from scratch on a Samsung Series 5 Ultra (NP530U3C), I ran eccmd -partition 1 (as drive 1 is the ssd) and I can confirm that there is a new partition created. However ...
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88 views

hdparm does not report a Security section

I have a Kingspec PATA SSD that I want to erase the data on using secure_erase, but any attempts to use hdparm results in an Input/output error. # hdparm --security-erase NULL /dev/sda ...
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112 views

How to detect if I/O errors are because of HDD fail or other Hardware/Software issues?

On my current system I had a 2TB HDD from Segate, after 2 years Windows started to restart on boot, so I formatted and installed ubuntu. All worked great but after a while I would get I/O errors, ...
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142 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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64 views

Issues doing a clean install of windows 8 64 bit

I have a Asus K42JE laptop and recently installed a new M500 480GB SSD. Since adding the new SSD, I am unable to install windows 8.1 on it. I keep getting the following error 'We couldn't create a ...
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50 views

Why were SSD failures only in old files, and can I proactively prevent this?

I recently had an SSD (Crucial M4 512GB) fail. I noticed a few read errors and when I tried to backup the drive, it turns out there were 300+ bad blocks (repeatable read error, data loss, reallocation ...
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71 views

Do SSDs have to have AHCI to maximize performance?

After my last post concerning my motherboard's RAID, I'm considering purchasing an additional dedicated RAID controller, but I have a few concerns about what to buy, because I'm facing yet another ...
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135 views

Slow write speed on external SSD

I am experiencing slow write speeds using an external Inatek USB 3.0 2.5" External Enclosure (UASP supported) with a Samsung 840 120GB drive. I just started using this setup on a late 2013 iMac as an ...
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39 views

Flash based storage. Do i need to re-plug them back in to my PC from time to time? (Memory cards & SSD's)

I've bought some memory cards for the purpose of backing up & storing my pictures and videos in case my PC's hard drive fails or the data on it becomes unreadable. The hard drive may not fail for ...
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48 views

Windows from HDD to SSD via clone

Is there an easy way to enable all the SSD features for Windows Server 2012 R2? I would like to avoid having to do a reinstall and just clone for time sakes. I've read it is best to do a fresh ...
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36 views

Windows boot performance - 52 seconds to initialize drives?

I had an issue with my primary SSD and I replaced it with another from a different brand, and at the same time I reordered my other 2 mechanical (C=ssd, D & E=mechanical). Now, when I load ...
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547 views

Bad SATA cable suddenly? (MacBook Pro mid 2012)

OS X 10.9.2 Story SSD crashed due to kernel panic (Crucial M4). Data was still on it when I plugged it in via USB. Wiped and tried to reinstall via Time Machine, extremely slow transfer rate (est. ...
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289 views

LSI SAS 2308 MPT2SAS Linux Read/Write performance

LSI SAS 2308-8e (6Gb/s per Lane) PCIe 3.0 card. Average Read/Write Raw performance for 4 SSDs is very low around 430 MB/s (Expected 2 GB/s).I am having Intel Core i3 with quad cores and 4 GB RAM. ...
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22 views

Cloning Windows from HD to SDD with Ubuntu

I wanted to clone my Windows 7 from HDD (160G) to SSD (250G). I put SSD on SATA3, booted an Ubuntu from usb stick, cloned in GParted via Copy&Paste and flagged the partition bootable. Then I ...
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2k views

Unable to boot Win 8.1: Error bad_system_config_info

Windows 8.1, 64 bit, home-built PC, running approx 4 years. OCZ-Vertex 256 GB drive, approx 1 year old, Drives D-H are 2 - 1 TB drives in a RAID 0 config, 8 GB RAM. Upgraded from Win 7 to Win 8.1 ...
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88 views

What are the differences between Host Protected Area (HPA), Device Configuration Overlay (DCO), and service area of a HDD/SDD?

I'm confused about the differences between the Host Protected Area (HPA), Device Configuration Overlay (DCO), and the service area of a HDD or SSD. From what I gather on the wiki pages, disks can have ...
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2k 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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77 views

Is there a way to invoke the ANSI ATA enhanced secure erase command targeting an SSD slave after booting into Windows 7?

I'm too lazy to burn a bootable image, and then wait for the wiping to occur. To securely (in terms of lack of recoverability and safety to the SSD) wipe a Crucial M4 SSD, is there a DOS command or ...