Questions tagged [hard-drive-cache]

Harddrive cache is a relative small cache on a hard drive.

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19 views

Purpose for dual M.2 ports? [closed]

I just bought the Gigabyte Aorus PRO WiFi and it comes with two M.2 slots. I use one for the OS and I'm not sure what to do with the second slot? Put my Games on there? Create a SSD RAID? Create a ...
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PERC controllers (e.g. h710) - do they issue flush command when underlying devices have cache enabled?

Question essentially as in subject - as I've been trying to find any sensible info about it, but to no avail: we create say - raid 1 from 2 mechanical drives - and quality drives, that do not lie ...
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418 views

Samsung 860 EVO 500GB SATA III filling SLC cache

I have 860 EVO 500GB Sata III and in my case the write speed drops down to ~300MB/s because the SLC cache fills up to 22GB and it won't flush, not even if I power my computer off, causing the SSD to ...
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87 views

Disable Linux Page Cache for Reads

Is there a way to turn-off page caching for reads in Linux? More specifically, I would like my processes to read directly from the disk. The setting of my problem: I am trying out new query ...
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25 views

Resilient storage for data, on Windows

I'm considering moving my PC workstation to a new platform, and I need to think hard what to do with my data volume. I have a 6TB data volume, mainly for VMs and files in active use. HDDs are slow ...
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1answer
35 views

Why doesnt write behind caching solve the “many files slow copy” issue?

Today I was copying a node.js folder to another place on the file system, and I was wondering.. with SSD and write behind caching, why is the copy many files problem not purely a case of "figure out ...
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1answer
258 views

Best data security cache settings in windows Intel Rapid Storage Technology for Raid 1 and Raid 0

I have raid 0 - 2 x SSD - used as windows disk raid 1 - 2 x 4 TB storage - used as data backup extremely important I am rather interested in best data security and reliability rather than speed ...
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21 views

Blocking automatic file download to a C Drive folder

I have a low capacity hard drive and purchased a cloud drive to reduce the burden on local drive. The cloud drive creates a cache folder in the AppData (C-drive) which takes a lot of space. I can ...
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1answer
213 views

how can I add SSD as RAID 1 cache?

I have 2x 3TB hard drive setup as software RAID 1. sometimes, it was painfully slow. How can I add an SSD as its cache? is it possible? Note : the RAID was where the debian linux inside booted from....
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235 views

I don't have an SSD but express cache service is running on windows 10 and consuming resources

Is it normal to have this service running on a PC without SSD? Is it a legitimate process or should I be worried about it?
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1answer
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Is it a good idea to disable “write caching on the device” in windows 7?

Is it a good idea to disable "write caching on the device" in windows 7? Right now write caching is enabled (which was apparently the default). I am working on a 90 pound weakling, a small Acer ...
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1answer
39 views

Why are large amounts of data from an HDD accessible minutes after unplugging it?

I expect this has to do with caching, but the amount of time and data, and the lack of error messages, has surprised me. This is not an SSD. A Windows-10 system that I have seen myself (through ...
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How frequently does windows flush the write cache?

Assuming a file transfer completes, how long does it take until windows flushes the write cache? For example I run a backup on a hard drive (with write caching enabled). Once the backup is complete I ...
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1answer
2k views

Windows 10 with ssd cache or ssd custom install?

I have a Samsung Ultrabook series 5 Ultra. It has 500GB HDD with Windows 8 and a 22GB with two partitions, used by Condusiv Express Cache to improve disk access speed. The HDD died, could not recover ...
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1answer
8k views

Can not turn on write caching on SSD in Windows 10

I am just installed Win 10. I have 4 SSDs in my installation. Only for one of them I can not turn on write caching. For the other three all is fine. In the very same PC for the very same 4 SSDs the ...
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1answer
556 views

My M.2 SSD has disappeared from my ideapad Y510p

I have a Lenovo ideapad Y510p running Windows 10. The other day, I had to power it off by holding down the power button. Since then, my LITEONIT LSS-24L6G SSD cache has disappeared from my system. I ...
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1answer
758 views

Is my SSD cache supposed to say 0 MB formatted?

I have a Lenovo ideapad Y510p, which has lost A LOT of its speed over the last year. I recently did a full format and reinstall of Windows 10, but the effects were not as good as I hoped. Then, ...
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1answer
930 views

Any point in having SSD cache with SSD system disk?

Apologize if the title is unclear, had a hard time formulating the question in a sentence. So I have a Lenovo Y510p which originally came with a 1 TB HDD as system drive and 24 GB SSD cache (M.2 ...
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2answers
162 views

Force a process in Windows 7 to store capture in RAM without doing actual I/O operation and writing to the disk

I'm Using Wireshark's cyclic buffers configuration capturing mode: I am sniffing a 10Gig port, and I was expecting Wireshark to work cyclically with buffers on the DDR only, but apparently it doesn't....
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1answer
2k views

How to disable write caching on windows 8 drive via command line

In the properties of a disk drive in windows 7/8/8.1 there are two Write-caching 'policies' that can be set. I've found disabling 'Enable write caching on this device' significantly improves the ...
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4answers
11k views

Windows 10 and Condusiv's expresscache

Has anyone been able to get their ExpressCache working with Windows 10? I've tried to reinstall but ECCMD still says the driver could not be found. I'm using an HP Envy desktop. I've seen some ...
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60 views

Using SSD cache to install another OS

So I been given a laptop at work that has a slow HDD with a separated NGFF-type SSD as cache for windows 8.1, but as it turns out the SSD has 128GB and windows can only use up to 64GB for cache ...
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1answer
588 views

64GB vs 128GB SSD cache drive

I have a Lenovo Y510p which I've had for about a year. After adding some RAM the other day I saw that it has an open m2 NGFF slot into which I can put a SSD drive. So I'm planning on buying a SSD ...
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2answers
7k views

Is write caching good for HDDs' life?

I have a removable HDD for which Windows disabled write-caching by default, but on occasions I write a lot of data to that HDD and I was wondering, would enabling the caching temporarily improve the ...
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1answer
647 views

Linux Based Small Business File Server - SSD caching

I have small NAS working as file server. In work we (me and 2 colleagues) are using QGIS with attached large raster files (~1GB TIFFs), 2 or 3 on project. Performance of this solution is poor, so I ...
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1answer
870 views

How do I create a ramdisk that writes changes back to persistent storage, e.g. with aufs?

Similar to this question, but more specific: I want a ramdisk / tmpfs that sits on top of a physical directory, exposing data of that directory. The ramdisk should persistently cache all data on ...
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2answers
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What is Btrfs's disk space caching?

I noticed in my syslog that BTRFS reports enabling "disk space caching". What is Btrfs's "disk space caching"?
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700 views

How can I upgrade the SSD cache drive in my HP Envy 700-215xt?

I have the 16g drive right now, and at some point I'd like to upgrade that to a 32g or 64g drive. Is this as easy as swapping out the drive or does the cache drive have files on it my computer has to ...
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2answers
729 views

My ExpressCache eats 1GB of memory, is it normal?

I have a laptop with a 8GB SSD drive for cache, but I have it disabled because it eats 1GB of memory. As far as I know it's supposed that ExpressCache should return that memory to the system when its ...
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1answer
830 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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1answer
230 views

Use SSD to speed up programs on regular HDD

Is there a way to assign a part of an SSD as an automatic cache of often used files? I've read about Intel SRT but that seems to require motherboard support and turns 2 hard drives into 1, with the ...
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2k views

Disable all disk cache features in Windows 7

I am doing benchmarking of several algorithms involving read/write to disk. As Windows provides some cache features, sometimes I get results like these : first run of the algorithm : 200 seconds ...
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2answers
691 views

constantly writing files on SSD Win8 - RAMDISK versus disk cache?

I have an application that is constantly writing up to 8 x 15Mb files to disk (capturing video streams) with a new file being created each minute (and the oldest file deleted). The computer has a SSD ...
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2answers
9k views

Windows 7 freezes with high disk activity

I have a Windows 7 computer that I use almost exclusively for streaming video (Hulu in Internet Explorer, or recorded or live broadcast TV with Windows Media Center). Often the computer freezes for a ...
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3answers
3k views

Disable disk caching in Windows XP using the command line?

I've often wanted to create a really lean and optimized installation of Windows XP to use with VMware, disabling everything that's useless for the use case. I've used quite a few days with nLite and ...
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1answer
338 views

AHCI and write-caching

In the readme for an update to the Intel Rapid Storage AHCI Driver from Lenovo, they suggest that to improve performance I should turn off Windows write-cache buffer flushing on my drives. http://...
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2answers
2k views

create hibernation partition on SSD (The drive cannot find the sector requested)

I try to create hibernation partition on SSD for expresscache purposes, but get error message "The drive cannot find the sector requested. See the System Event Log for more information." See the ...
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2answers
672 views

What cache makes a file search faster for the second time exactly?

On Windows on a HDD partition with Total Commander, if I make a file search on the file system root e.g. C:\, it will take considerable time: it display as it walks the entire directory structure (...
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4answers
5k views

Why would ExpressCache.exe appear to be constantly using an external HDD?

I bought ASUS VivoBook S550CM with hybrid drive SSD/HDD. There are many pre-installed Asus utilities, ExpressCache included. Here is the problem: every time I connect any external USB HDD, the LED ...
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1answer
2k views

SSD Cache with FDE (TrueCrypt, BitLocker, etc) on Windows

I wanted to bring back an old question, but with a twist. It has been answered, how an SSD could be used as a caching drive for a larger, mechanical drive. What I am looking for is to have the same, ...
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2answers
6k views

Does extra hard drive cache make a difference for streaming video?

I am looking at the following two drives for a RAID device, which will be streaming normal things but also a lot of video: Seagate Constellation ES.3 ST4000NM0033 - hard drive - 4 TB - SATA-600 ...
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260 views

Reinstall windows 7 on HP dv7t 7000 - Windows Setup could not configure Windows on this computer's hardware

I am trying to install windows 7 ultimate on my new laptop. The laptop shipped with windows 7 home premium, and has two hard drives. It has a 750gb and 32gb SSD. It was using the 32gb as a cache. ...
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262 views

Dual boot new laptop win 7 / ubuntu 12.04 - 750gb + 32gb SSD

I have just purchased a new HP dv7t-7000 and I would like to run Windows 7 / Ubuntu. How do I setup the dual boot? Can I install both operating systems with an 8gb USB drive? Can I still make use of ...
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1answer
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Why does an Intel RST RAID 1 array write faster with write-back cache disabled?

I have two HDDs (5900 RPM) in RAID 1 (mirror). I know, I know, it's painfully slow. I'm currently in the process of replacing them with faster drives, hence this question while I'm testing things. ...
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0answers
270 views

Linux on a SSD Cache [closed]

Machine: Thinkpad Edge with a hybrid HDD+SSD Cache (16GB) system. I had a dual boot on it - Windows 7/Linux openSUSE 12.2. Today after having some problems with partitioning -> grub -> partitioning (...
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3answers
7k views

Is “Turn Off Windows write-cache buffer flushing” safe on a laptop?

my laptop's internal harddrive is a bit slow. I looked at the drive properties and there are two options: [X] Enable write caching on the device [ ] Turn off windows write-cache buffer flushing on ...
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1answer
171 views

Reinstalling Windows for ssd+hdd cache

I currently have windows installed on a small SSD with a TB HDD being used as a data volume. I want to use Intel's Smart Response Technology to allow the SSD to be used as a cache. Before I go ahead ...
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4answers
12k views

Ubuntu on an XPS 14 Ultrabook with mSATA cache and 500GB HD - how to partition for dual boot?

I am getting an XPS 14 ( http://www.dell.com/us/p/xps-14-l421x/pd ) and I want to dual-boot Windows and Ubuntu. This thing has a 500GB standard HD and a 32GB mSATA that can be used as cache. Does ...
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1answer
285 views

Windows 7 update temp cache [duplicate]

Possible Duplicate: Windows Installer using usb drive for temp purposes Recently I re-installed windows 7 to a 64GB SSD. However, I'm noticing a strange behavior. Windows updates are taking ...
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4answers
2k views

'cache swap' filesystem for SSD/HDD combo?

As we all know, Solid State Drives (SSD) are expensive ($/Gb) but they are quick to access. I'm wondering if there exists a sort of software-kernel-level 'cache swap' filesystem technology; the idea ...