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Questions tagged [flashcache]

Flashcache is a write back block cache Linux kernel module, designed to speed up your I/O to your slow spinning disk.

9 questions
23
votes
2 answers

What are the advantages/disadvantages of different SSD to HDD cacheing options (dm-cache, flashcashe...)?

There appear to be various different technologies available to use an SSD to act as a cache for HHDs. The ones I know of: dm-cache (by Redhat - in the 3.9 Kernel, so it should be in ubuntu 13.10) Flashcache (developed and used by facebook) Bcache…
Uli
  • 5,196
3
votes
2 answers

Flashcache on Xubuntu 13.04

First of all, I'm noob on using flashcache, and all that I'll post here is studying about it. I've an Asus K56CM, i5 with 500gb of HD and 24Gb of SSD for cache. In windows 8, the default operating system, uses Expresscache for caching the HD in the…
EirisDG
  • 76
2
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0 answers

EnhanceIO: Write-through vs Read-only

I have installed an EnhanceIO SSD cache on my notebook. EnhanceIO supports three caching modes: read-only, write-through, and write-back. Read-only caching mode causes EnhanceIO to direct write IO requests only to HDD. Read IO requests are…
warvariuc
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1
vote
0 answers

Walk through for installing Flashcache. Ubuntu 13.04

I have a new Samsung laptop (NP700Z5C), it has a 1Tb hard drive, with 8Gb SSD which under windows 8 was used for increasing performance, particularly boot up time. I understand that flashcache is an open source package that will allow me to do the…
EddyTheB
  • 337
0
votes
1 answer

Can flashcache be added to an existing drive without data loss?

I have a raid 5 array that I'd like to cache. It already contains data (including OS - ubuntu 14.04). Is it possible to create a new flashcache volume without destroying the data? It seems like flashcache_create man page doesn't mention this.
Barnaba
  • 111
0
votes
1 answer

Flashcache on top of luks and LVM

I've configured flashcache on top of luks and LVM, almost everything is working ok but I cannot mount it automatically on boot, because device is not ready yet (system hangs on boot silently). There is any simple way to run flashcache_load and mount…
Michal Zubkowicz
  • 21
0
votes
2 answers

NAS running Ubuntu / Raid 5 / SSD cache

I'm about to setup a NAS - planned hardware so far: MB: ASUS P9D WS(*link1): sry, it's german, it says th MB supports Hot-Plug in AHCI or RAID Mode, supports Intel Smart Response (SSD Caching) CPU: Intel Core i5-4570TE Processor (first I thought…
Guti_Haz
  • 101
0
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1 answer

Does working on ubuntu in flash drive leave a trace on Hard Drive having Windows installed in it

I have installed ubuntu in Flash drive with a persistence space of 200 MB. If i boot my laptop from flash drive having ubuntu installed and do net surfing and download files on internet , will it leave any trace in form or temp file or any other…
user277014
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0
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1 answer

Partitioning SSD for flashcache

I am trying to setup my HDD + SSD on my Win7/Ubuntu dual booting laptop to work with flashcache. Part of my ssd (/dev/sdb1) is already partitioned for ExpressCache on Windows 7. For Ubuntu, I am following the directions here. However, I do not know…
user127939