General :: Using A Flash Drive To Speed Up Conventional Disks?

Jun 12, 2010

Is there a possibility to use a flash drive as a speed up for conventional hard disks? I got the idea to redirect all read ops to the flash drive if the data is already stored there, and to read from the conventional disks if the data is not found there (and during idle time the freshly accessed data from the conventional disk is stored on the flash disk).

Is this already possible with linux standard tools?

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General :: Getting More R/w Speed From A Flash Drive Install?

Aug 19, 2010

System: Linux flashvoyager 2.6.32-23-generic #37-Ubuntu SMP Fri Jun 11 07:54:58 UTC 2010 i686 GNU/Linux Ubuntu 10.04 Installed onto 64gig Flash Voyager GTR plugged into Tosh satpro laptop dual core 4 gig memory. This is not a casper r/w persistent install version. This is installed directly onto the flash pen and running as if the flash drive was a solid state disc.

I have obtained a 64gig which can read at 34mb/s and write at 28mb/s. The reason I wanted this was so I could install linux ubuntu and run the OS straight of the flash as if it was a Solid state disc. I have tried using the pendrivelinux method where the persistent data is stored inside a virtual file system but I found it did not allow grub or kernel updates without the need to rebuild the entire datapen plus I did not know how to get rid of the live boot menu where it asks for language and the like.

I boot the pen straight into linux ubuntu 10.04 via the bios boot menu and select the usb pen drive. Once into grub I select the most recent kernel and then load up ubuntu. When I first started using the distro from the pen the speed of the web browsing was so slow. I have since configured the browser to store the cache inside tmpfs /media/ramdisk and browsing seems fine now however there is underlying speed issue with using the method of install. Uncompressing installs takes an age. I have configured fstab like so:

proc /proc proc nodev,noexec,nosuid 0 0
/dev/sdb1 / ext4 errors=remount-ro 0 1


PS: I am not allowed to use the HDD on the laptop since it is company laptop. My previous company laptop had Kubuntu 8.04 with XP as VM. Also having the install on the flash drive would give me the convenience of booting the pen from any hardware.

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Hardware :: Ssd Drive Vs Conventional One - Netbook To Boot Faster

Aug 28, 2009

see [URL] I am still somewhat happy with my netbook, although I have a Lenovo X61 from work (with XP) that I just love and since the netbook was purchase for travel, I don't use it as much as I use the x61. But I am preparing for a trip soon and have been trying to get the netbook to boot faster. Default Ubuntu 9.04 was taking about 1m 40s from off to a usable web site. Many tweaks later using the default hardware still, I get boots on average of 1m 10s or so.

I have tried fluxbox and xfce4, but shave maybe 10s off on a good boot, but am then in a much more limited DE, so I don't see the 10s being a good reason to limit myself. Using bootchart, it reports a boot time of ~30 so I really do believe it is gnome/X that is taking the longest time. Anyway...I finally broke down and got an ssd drive from Newegg [URL].

I dd'd the old hdd to the new ssd and guess what? Absolutely no change what so ever to the boot times. The ssd drive (although silent) has not gained me any speed at boot up. My average boot times are still 1m+. Also, I ran a battery test last night (wrote time out to a file every minute and ran totem none stop until the battery died) and I got 2 hours of life out of the 3 cell battery. This is about the same battery life I was getting with the traditional hdd.

In conclusion: As it stands now, the ssd drive has gained me nothing but silence, but at the cost of 100gigs (hdd = 160gig vs ssd = 60g)... no improvement to battery life no improvement to boot times The system does *seem* a little more responsive when the OS is finally up, but again, at what cost?

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Ubuntu Installation :: Boot From Flash Drive Without Hard Disks?

Jun 13, 2011

I have no hard drives in my computer, so I have been trying to boot Ubuntu 11.04 from an 8GB usb flash drive. Is this possible? So far the best result i have gotten is it will sit on the loading screen for a while then dump. I was only able to get the last little bit which reads mount. mounting /dev on /root/dev failed: no such file or directory. mounting /sys on /root/sys filed: no such file or directory. mounting /proc on /root/proc failed: no such file or dirctory. target file system doesn't have requested /sbin/init

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General :: KDE4 - Mount Flash Disks Etc. On The Desktop Like In KDE3?

Jun 28, 2011

my grandfather uses a linux machine for web browsing, emails etc. So he mostly uses Firefox, Thunderbird and sometimes also Skype and now he has also Jabber account. Currently there is Pclinuxos 2009 installed (the newest one with KDE 3.5). I used a frozen community repository, but this also brings the problem I cannot update the used programs as I am afraid it would attempt to replace the old KDE as well.

I know I can update Mozilla apps by downloading a static rpm and install with KPackage or Konsole and similar with LibreOffice. Not much friendly... I also discussed switching to other WM - but GNOME surely not, maybe Xfce (other ones have other issues).

Is it possible to somehow make KDE4 to behave like KDE3.5 in some ways? At least auto-mounting of flash drives etc.

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Hardware :: Determine Speed Of RAID Hot Swappable Disks?

Mar 4, 2009

I'm trying to to determine the speed of my Raid Hot swappable disks. I need to determine if each disk is ether 10,000 rpm or 15000 rpm. I know that each disk is 72GB in size: I have tried to find this information ind/proc/diskinfo and using dmesg but no luck.

Hardware spec:
dl380 with P400 raid controller
/dev/cciss/c0d3: (Smart Array P400) RAID 1 Volume 0 status: OK.
/dev/cciss/c0d3: (Smart Array P400) RAID 1 Volume 1 status: OK.
/dev/cciss/c0d3: (Smart Array P400) RAID 1 Volume 2 status: OK.
/dev/cciss/c0d3: (Smart Array P400) RAID 1 Volume 3 status: OK.
[root@smstcatp11 cciss_vol_status-1.03]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/cciss/c0d0p6 29134940 2806224 24848732 11% /
/dev/cciss/c0d1p1 59122668 20567660 34972516 38% /apps
/dev/cciss/c0d0p1 101086 11353 84514 12% /boot
/dev/cciss/c0d3p1 56616620 102716 53056720 1% /cdr
/dev/cciss/c0d3p2 2466732 61816 2279612 3% /home
/dev/cciss/c0d2p1 59122668 626432 54913744 2% /data
none 2073896 0 2073896 0% /dev/shm
/dev/cciss/c0d0p2 16516084 78820 15598272 1% /tmp
/dev/cciss/c0d0p3 16516084 198828 15478264 2% /var

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Hardware :: Disks Speed Varies When They Have Same Amount Of Data?

Oct 30, 2010

My machine has 4 SATA 2 West Digital 1TB disks. I made 2 partitions on each of them, 500GB for each partition. When I started using them I check their I/O using iozone. The first partition has 100MB/s for read, 70MB/s for write. And the second partition has 80MB/s for read, 55MB/s for write. All 4 disks has the same result.

As I use on, the I/O speed on each partition decrease, to different extend. For example, for the 4 first partitions, the write speed varies from 69MB/s to 56MB/s. And I have same amount of data on each of them, all used 11%.

My guess for this is the disk block allocation policy. This is caused because some disk starts writing from inner location while others writes on the outer edge, even though amount of data on each disk is the same.

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General :: Hard Drive - Does Check Disks During Boot Instead Of Shutdown?

Dec 3, 2010

I'm just curious - why do all linux distros (all I've seen) run their periodic disk checks during boot? I mean, I understand that a disk should be checked now and then, but why does the system do it during boot, when I'm waiting for it to load, instead of checking them during shutdown, when (most probably) user doesn't need the computer anymore.

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General :: Application To Control Hard Drive RPM Speed?

Nov 14, 2009

Are there any linux applications that will allow me to adjust the hard drive RPM rotational speeds? I've used similiar programs for windows before but now I am running a linux setup.

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Ubuntu :: Can't See Usb Flash Disks

Aug 18, 2011

i just install lubuntu and everything is work but it can`t` see my usb flash disks , usb ports is working because when i plug there my mouse it begin to work
is any solution?

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Ubuntu :: USB Flash Disks Not Working In 10.04

May 27, 2010

After upgrading to Ubuntu 10.04 my USB flash disks no longer work properly. Some of them I cannot see at all. Others like my Kingston show up as Kingston & USB0 at the same time. I can see the files, but I cannot copy any files to the flash disk.

When I try to unmount I get a popup window saying:

If I try to eject or safely remove the disk by clicking on the Kingston icon, I get the following:

The only usb device that seems to work properly is my USB wireless dongle. My Samsung 1TB external drive works, but it appears as Samsung and USB1. If I click on Samsung, I cannot see anything. When I click on USB1, I see the files. This is a very annoying problem as I use my flash disks extensively.

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Debian Configuration :: How To Automount Flash Disks

May 17, 2011

I have installed a minimal system with openbox window decorator. (without any window manager) when i insert a flash disk to my computer, system doesn't mount it automaticly. i must mount it to a folder to use it.

for example:

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Ubuntu :: Image That Flash Drive To Another Flash Drive?

Mar 29, 2010

I made a persistent install of Ubuntu on a flash drive. I made changes to that installation. The software (Unetboontin) sets this all up. I think it partitions it for you. How do I image that flash drive to another flash drive?

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General :: Is Ubuntu Like Windows Can Download Ubuntu To Flash Drive / External Hard Drive

Mar 8, 2011

Is Ubuntu like windows and can you download Ubuntu to a flash drive or external hard drive and if so what kind?

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OpenSUSE :: System No Longer Responds To Removable Media Such As Flash Drives And Insertions Of DVD/CD Disks?

May 20, 2010

Through some recent update, which one I am not sure, my system no longer responds to removable media such as flash drives and insertions of DVD/CD disks. Whereas before, for instance, if I inserted a USB flash drive, the "Device Notifier" would pop up, tell me that a new device had been detected, and ask me what I wanted to do with it, now nothing. "My Computer" (sysinfo:/)does not update either. The kernel knows the device is there, since I can see it when I do "lsusb". OpenSuSE x86_64 11.2.

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Fedora :: Yum And RPM Slow Speed - Flash Player 10 Not Loading

Dec 10, 2009

I am currently using fedora 12. My question is why is the speed for my yum and rpm are very slow. Something like Flash Player 10 couldn't even load after being installed. If I downloaded the rpm, the speed is like normal but if I yum it. The ESA took like >1,000,000 sec..or whatever..The point is it does seem like something has happened to my yum/rpm function. I can download and surf the web as usual. I just can't get any add-on such as the Flash Player 10. I can only use the basic already provided by Fedora.

I tried:
su -
yum clean all
rpm --rebuilddb
yum update
but I am still unsure what type of RPM issue I am facing.

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Ubuntu :: USB Flash - How To Make Write Speed Quicker

Jul 25, 2010

Does anyone know why the write speed of usb flash would be so slow? I'm running ubuntu off my flash drive but it is running really slow. I've tested the read speed which was about 33 meg a sec. But the write speed is only about 7 meg a sec. When running ubuntu it is very slow, not tolerable at all. I've read on some sites that there is a way to fix this but I'm not finding any good tutorials on making the write speed quicker.

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General :: Cant Mount Flash Drive

Mar 4, 2011

Having a problem mounting a flash drive on slackware 13.0

tried using command: mount /dev/sdb1 /mnt/hd

Geting an error special device does not exist. sda1 is my hdd, also tried sdc sdd

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General :: Flash Drive Is Not Mounting

Sep 17, 2010

I have a new flash drive (pen drive) .Last few days it work fine .But now when i plug it in usb port , then a error message appear "unable to mount media.There is probably no media in the drive" .

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General :: Boot From A USB Flash Drive With MBP?

Jun 25, 2010

I have been playing around with a Ubunto 10.04 live cd (32bit) on my mac. I want to be able to boot this OS (or similar) on my Mac, and on any other computer (PC or Mac). I also want it to remember changes and files. From looking around this is possible from a USB (with a Casper RW loop file I think). I have used the Live CD to create a bootable flash drive, which works on PC's but not my mac. Using these instructions: [URL] I was able to get my Mac to see the Linux at boot but once I clicked the Tux icon it would hang/ freeze. I let it sit for 10+ min and nothing happened. I started over (with a fresh formatting) and got the same results. I have reformatted the flash drive and am ready to try over. I think that I am goofing up in terminal steps as I am not use to doing that. After the last step in the terminal I get an error, something like invalid number or similar, it is not the one mentioned in the instructions.

I know that this for advanced users, I am not yet but working that way. I an a (retired) power windows user, moderate Mac user and a new Linux user. I want to learn which is why I am asking. I am not in a spot to install Linux directly on my Mac, so I I am seeking help to do it on a flash drive. I want the ability to run off any computer and I see this as I way to get there.

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General :: Inserting A USB Flash Drive?

Jun 5, 2011

What command is executed when you plug in a USB Flash drive manually in the PC's USB port?I am pluggin in the device and it is automatically getting mounted in /media/ed7a753f-df88-4984-b65a-5d3a8cc2714a. After I unmount the device using umount /media/ed7a753f-df88-4984-b65a-5d3a8cc2714a, how do I remount it from the terminal so that the weird directory gets created automatically and the Flash Drive gets mounted there?Another question, where does the system get this ed7a753f-df88-4984-b65a-5d3a8cc2714a. Is it some kind of identification of the disk?

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General :: USB Flash Drive Boot?

Jul 19, 2010

I have a 2GB usb flash drive and I wanted to boot a linux distro from it. My dilemma is that I'm having a hard time balancing size with quality.I've been going the virtual route so far in my linux studies but the variety with hardware is so limited. If I had a bigger flash drive it wouldn't be a concern but I need to make do with what I have.So what's a good learning distro that has good features but can be installed onto a 2GB flash drive? I'm sure there is more than one but I'd like to get some different input from more seasoned users.

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General :: Usb Flash Drive Not Recognized?

Oct 16, 2009

I am having trouble with getting my flash drive recognized. I would love a simple answer.

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Ubuntu Multimedia :: Totem And Flash Playback Now At Double Speed?

Oct 27, 2010

This was working a few days ago - so I'm thinking an update might be the culrpit.Ubuntu 10.10 on AMD 64. ATI RV710 video card.Flash & Totem now playback at double speed. MP3 audio and Flash Videos both exhibit the same behavior. Tried a plain old reboot - no change. Looking at the diff between dynamic libaries of libflashplayer and totem shows about 45 shared libraries but that doesn't really narrow it down much..

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General :: Ubuntu - Wipe A Flash Drive From?

Jul 24, 2010

I recently used a flash drive to try MeeGo on my netbook. Unfortunately, the application I used to write MeeGo to the flash drive created a new partition in a rather unusual format. The Ubuntu disk utility can't delete the partition, and GParted can't even see it. How can I completely wipe the flash drive from Ubuntu? I'd prefer not to install any additional software.

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General :: Installing Multiboot ISO On Flash Drive?

Jun 7, 2010

I've been trying to install multibootisos.exe on to my flash drive. Instead of getting the menu like in the picture I get a black screen that looks somewhat like a command prompt. I am using an 8G PNY Attache flash drive.

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General :: Removing Grub From MBR Of Flash Drive

Nov 29, 2009

I have a flash drive that I used on my old netbook to temporally hold a copy of ubuntu as the netbooks internal drive was dead. I have since got a new netbook and wanted to return the flash drive to simple removable storage. I've re-partitioned it back to 14gb fat32 2gb ext2 and everything is working fine. Except that if I try to boot with the key inserted grub loads then errors imminently (sort of obvious if grub is still in the MBR but there is no menu.lst file anymore...) Googling for removal of GRUB just gives me loads of hits for how to restore windows mbrs when you dont want to keep linux anymore. None of these methods seem to have any targeting. I need to remove grub from sdb while keeping it intact in sda. sdb shouldn't even be bootable, so that when boot from usb is higher in the bios than boot from hdd the usb key is ignored and the hdd is booted as normal.

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General :: Add Flash Drive To Fstab File?

Mar 30, 2011

I have Debian 5 XFCE currently installed on my old desktop. I cant open my flash drive, it doesnt pop up on the desktop, nor is it in the file manager. I read that you can add it to the fstab list but I dont know how to do it.

My flash drive shows up as sda1 in lsusb.

get my flash drives working, thats how I install packages.

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General :: Cannot Read Files From Flash Drive

Jan 20, 2010

This happens in my main computer with Slackware and Arch.


$ su
# cd /media/fl


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General :: Dual Booting USB Flash Drive?

Jan 13, 2010

How to put ophcrack on linux because of my supposed intentions of plugging it in waiting 20 mins and cracking passwords wherever people do this I know having to waste my space triple booting the thing with Ophcrack XP/Vista and BackTrack. How does one go about dual booting a flash drive? I could not find much on the internet.

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