Questions tagged [hard-drive-cache]

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

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1 answer
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Can I run RAID5 with different cache size?

I had RAID5 that all Hard drives are HP and has 64 mb cache (HP MB2000GCVBR). I want to replace one hard drive but there is no one in the stock as the same (same brand and cache size). I have found ...
0 votes
1 answer
99 views

File system contents sometimes not synced in some bash terminals

I've sometimes noticed this behavior on one machine (Ubuntu using Mate terminal). Case 1 I have 2 terminals open on the same path. I do a 'ls' on both but the output is incorrect in one of them, some ...
2 votes
2 answers
21k 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 ...
2 votes
2 answers
35k views

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 ...
1 vote
0 answers
2k views

Recover unsaved word document that was opened directly from Outlook with temp/cache files without using asd files

The title sounds a bit complicated, so I'll briefly explain how my problem came about. I have received a Word document by email which I should edit. I opened the file, without saving it, just directly ...
2 votes
1 answer
259 views

Can I remove the SSD cache from a laptop and sill have a functioning machine?

I have an old Asus laptop which came with a 500 GB HDD and a 24 GB SSD cache. These two parts got damaged and need to be replaced. However I was wondering if I can do without the SSD cache; ...
1 vote
4 answers
7k 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 ...
2 votes
4 answers
13k 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 ...
1 vote
0 answers
1k 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 ...
1 vote
1 answer
102 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 ...
7 votes
0 answers
2k 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 ...
1 vote
0 answers
48 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 ...
34 votes
6 answers
92k views

Does hard drive buffer size matter?

These HDDs will be used mostly for backups and data-storage (pictures, movies) which aren't often read. The price difference is 1.5 Euros in the case of these two: HDD Western Digital Caviar Green ...
0 votes
1 answer
612 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 ...
0 votes
0 answers
25 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 ...
0 votes
1 answer
922 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....
10 votes
2 answers
13k views

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"?
8 votes
1 answer
7k views

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. ...
1 vote
2 answers
8k 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 ...
0 votes
0 answers
354 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?
0 votes
1 answer
47 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 ...
15 votes
3 answers
12k 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 ...
12 votes
2 answers
5k views

What is the whole function and effect of "Turn off Windows write-cache buffer flushing on the device"

In Windows 7, using the Device Manager, bringing up the properties of a disk, and going to the Policies tab, there are 2 switch items. The write cache, which this question it not about. and [X] ...
2 votes
2 answers
4k views

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 ...
0 votes
0 answers
777 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 ...
0 votes
1 answer
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 ...
2 votes
2 answers
968 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 ...
2 votes
1 answer
475 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://...
0 votes
1 answer
730 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 ...
5 votes
2 answers
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 ...
0 votes
1 answer
2k 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, ...
8 votes
3 answers
9k views

What's the difference between 8 MB and 16 MB Cache on a hard drive? [duplicate]

I'm looking to replace a dead hard drive in an older notebook. The current (bad) hard drive is a Toshiba 60 GB 5400 RPM HDD with 16 MB cache. It's very difficult to find replacement ATA-100 notebook ...
2 votes
3 answers
22k views

Difference in performance of 8MB cache and 16MB cache Hard disk [duplicate]

I want to know what are the performance differences between a 8mb cache hard disk drive and 16mb. If i buy one should i prefer 16MB if yes then why?
3 votes
0 answers
3k 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 ...
5 votes
1 answer
2k views

What's the use of windows hard disk write cache when the hard drive already has more than 8 megabytes of cache?

Doesn't a hard drive use its cache with high utilization? I see up to 20MB/s difference on file writes when I disable windows disk write cache. Does anybody know why cache size matters this much?
1 vote
1 answer
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 ...
-1 votes
1 answer
1k 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 ...
0 votes
2 answers
204 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....
1 vote
1 answer
2k 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 ...
1 vote
0 answers
68 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 ...
1 vote
1 answer
1k 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 ...
0 votes
1 answer
670 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 ...
3 votes
2 answers
15k 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 ...
1 vote
1 answer
785 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 ...
0 votes
1 answer
252 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 ...
0 votes
2 answers
772 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 ...
3 votes
2 answers
910 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 (...
3 votes
1 answer
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, ...
3 votes
4 answers
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 ...
1 vote
3 answers
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 ...