Fedora :: Unable To Write To USB Connected Disk?

Apr 18, 2010

I am trying to scrape all of the info off of an old Fedora disk so that I can referb the box and put new stuff on it, but for some reason I can't get the permissions (even as root) to write to the disk.

It is currently mounted under /media/backup and I can browse it all I want, but still can't write.

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Red Hat / Fedora :: Ram Drive With Atomic Write-to-disk

Apr 12, 2011

I'm only somewhat new to linux but I still don't have a real grasp of it's deep innards and I had a fairly outlandish idea that I'm wondering whether is possible/plausible or not.I want to run a game server on CentOS that has a very high dependency on fast writes-to-disk. Disk writes are pretty much the single bottleneck in this server.First I looked at allowing a high queue of writes to pile up before it flushes them to the disk, but I read that this causes fsync, which is still used commonly, to take a very long time.

I've been thinking about the possibility of running the server on a RAM disk, but I still want changes to be saved to non-volatile storage. Not all at once, but have it actively write the changes to disk. The hope is that this would smooth out the peaks and valleys of write activity and improve overall performance, but I have not seen this idea discussed anywhere.

So my question is, is there any plausible way to continuously copy writes to a RAM disk to a physical drive without slowing down the speed of the writes to the RAM drive below the speed of said RAM? Or is there a better way to obtain this sort of performance, short of investing in expensive equipment?

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Fedora Networking :: F13 Connected But Unable To Browse

Nov 11, 2010

I have a fresh install of Fedora 13 on my Toshiba Notebook. I am able to connect to the internet but can not browse neither by Ethernet or wireless. I have an Intel Pro/Wireless 2200BG wireless card and a Marvell Technology Group LTD 88E8036 PCI-E fast Ethernet card installed. The command ifconfig shows an ip address. I am able to ping by URL and IP address. It does the same with the firewall disabled. I have also disabled the iptable & ip6tables in the services. I have even set fire fox not to use proxy settings. I am just not able to browse at all.

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Fedora Installation :: Flash Drive Connected - Unable To Start Up Computer

Jul 11, 2011

I am relatively new to Fedora 15, but used 13 for a while with no issues. Yesterday a windows user put a flash drive into my computer for me to copy something on to. (This may be conincidental.) I then put the computer into suspend or hibernate or whatever and now it won't start up. At all. And I'm stuck as 'everything' I need is on that computer.

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Ubuntu Installation :: Use Ram Instead Of Disk - Write To Disk At Shutdown

Mar 21, 2011

I have a netbook I'm not using and which I transformed into a server with Apache, Tomcat6, Netatalk, Webmin, BIND9 and Tor.

Problem is, the disks never stop spinning because all of the programs write a few kb at least every few seconds to disk, even when nobody is connected to it.

My question is: Is there a way to have the computer boot from disk like normal (maybe even a squashfs), keep ALL CHANGES to ram and then save to disk when either the ram is full (unlikely because the server is rebooted every few days) or at shutdown?

I thought about a mixture of ramfs and unionfs but I'm not good enough yet...

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Red Hat / Fedora :: Unable To Write To NTFS Partition

Jan 8, 2010

In one of our client system there is a partition which shows NTFS and other partitions are ext3...the partition which shows NTFS is a seperate HDD...The NTFS partition has been mounted...but we are not able to write anything to it...but we checked in /etc/fstab....it shows 'ro' so we changed to defaults....after making chnages when we tried to remount using the command mount -o remount /partition.it shows the device is already been in use try using the command fuser or lsof.we tried fuser /partition and then killed that process..still same error.....I would also like to know is there a way that we convert the NTFS partition to ext3 without losing the datas.

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Debian :: Slow Read/write On External Storage Devices Connected Via USB

Mar 29, 2010

I am running Lenny. USB storage devices are painfully slow, if the data to be copied is above 4GB it works on transferring for more than half an hour and then comes up with an error dialog(saying something like file size is too big). The problem exists in both read and write.

I did google a bit and here is the output of lsmod | grep hci
ehci_hcd28428 0
uhci_hcd18672 0
usbcore118192  4 usb_storage,ehci_hcd,uhci_hcd


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Fedora Hardware :: HP Laserjet 1300n - Unable To Write Print Data

Aug 23, 2011

I use a network printer (HP Laserjet 1300n). Since a few days ago I couldn't print anything, the error message is 'Unable to write print data:Broken pipe'. What could be wrong? I replaced the cartridge recently, but nothing else.

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Red Hat / Fedora :: Unable To Write In Local Language ( Kannada Supported )OPen Office ?

Feb 27, 2009

I have installed open office 2.3 on my fedora system . I have also installed skim , m17 , fonts , im-chooser packages to support writing in my local indian language ( kannada is supported ) . But still i am not able to write in my local langauge

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Ubuntu Installation :: Disk Space - Failes On A "E: Write Error - Write (28 No Space Left On Device)"

Jan 4, 2011

df -h [URL] I did the following command to find everything is in /usr or /var, then tracked it down to /usr/lib and /usr/share as the main offenders, but out of all the directories none are more than 1mb or so.

du -sh /* | sort -gr | head -n 5

I tried to uninstall firefox, which is what got me in this mess in the first place, the log claims it will remove ~240 mb but failes on a "E: Write error - write (28 No space left on device)" [URL] If I could juggle something onto an external hard drive so I can uninstall firefox I would be out of the wood. Failing that I believe a new install is in order.

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Fedora :: Unable To Create A Boot Disk?

Jul 15, 2010

I am running Fedora Core 13 and I am having problem creating a bootdisk. As I enter the command mkbootdisk, I receive the error "command not found". I even tried to enter the full path i.e /sbin/mkbootdisk while logged in as root and I still get the same error.

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General :: Different Write Through Put On The Same Disk?

Apr 5, 2011

I am using kernel, and my hard disk is West digital WD10EARS-00Y, 1TB. This disk is just for data, I made 2 partitions on it, each has half. And I have another small disk for system. I am using ext3.

this is my fdisk /dev/sdc
Device Boot Start End Blocks Id System
/dev/sdc1 1 60800 488375968 83 Linux
/dev/sdc2 60801 121601 488384032+ 83 Linux


I ran some dd to test the write throughput on /dev/sdc2. If I run it in /data2, I got around 70MB/s. If I create some directory, say /data2/dir/, and run dd again, I might get 60MB/s. Sometimes I still get 70MB/s, sometimes I get 60MB/s, differs for directories.

I wonder if this is because the allocation policy of file system, ext3, or this is from my hard drive?

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General :: External Hard Drive And Flash Disk Connected To Usb Doesn't Show

Oct 25, 2010

a friend of mine just given me an old 2004 IBM NetVista 8305 desktop and suggested to use Linux Ubuntu which is something new to me. So i installed it via USB memory stick & it works. After installation of the OS I am impressed with functionality & speed. when i conect the external hard drive via usb it doesn't show & i tried my usb flash disc it showed the same problem. I tried both disk in my laptop (Windows XP) & it works.

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Fedora Installation :: Unable To Upgrade F13 To F14: Error At 95% Of Disk Test

Nov 17, 2010

I'm trying to upgrade, but have this issue: usually I download the DVD iso, run checksum, burn it, test the disk, and when found ok, I run the upgrade. Now, however, I keep getting "disk not ok" at 95% of the disk test. I have downloaded and verified the iso twice, used 2 DVD's, 2 different DVD-drives, 2 different computers and keep getting this error at 95%.

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General :: Migrated From Ext3-disk To A Ext4 Disk - Warning: Unable To Open An Initial Console

Feb 4, 2010

OS: Debian unstable 32bit, kernel 2.6.32-2, grub 1.98 from late january 2010 (only have working net-access from work now, so I am grabbing information from memory). EXT3 and EXT4 support is compiled into the kernel along with chipset/scsi/sata support (not as modules), and I have tested to boot ext3 with it before proceeding. Prereq: my old disk started to have too much S.M.A.R.T errors, so I bought another one, put in a USB cabinet, added swap and ext4 partition/filesystem to it, and copied over all data from the old system to the new that was mounted at /dest using the command "find ./ -xdev -print0 | cpio -paV0 /dest". Swiched disks, so I now have the ext4 disk sitting at /dev/sda (partitions: sda1 => ext4, sda2 => swap), and booted into rescue-mode from cdrom, using /dev/sda1 as root with a shell on. After doing this, I performed the following commands:

mount --bind /dev /dest/dev
chroot /dest

modified the /etc/default/grub to instruct the kernel to boot using ext4, ran grub-install --recheck /dev/sda
ran update-grub to modify /boot/grub/grub.cfg (which looks as it should) After doing this, grub finds my partition and mounts it. It however stalls with the message: "warning: unable to open an initial console" and does nothing after this point. I have no ramdisk, but my old kernel booted fine from ext3 (and still does if I copy it to a ext3 partition), and since the ext4 support is compiled into the kernel - should I really need a ramdisk?

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Debian :: Cannot Rename The Disk Or Write Anything

Apr 1, 2010

I have formatted to EX3 in gparted all went fine, however I cannot rename the disk or write anything to it as access is locked to root Furthermore a file has been created called "lost and found" its locked and 46GB in size - what is this?

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Ubuntu :: K3b Does Not Write On Appendable Disk

Jun 20, 2010

I have Ubuntu 10.04 installed on my Armada laptop with a Teac CD-W24E internal and a Plextor-DVDR PX504A via USB. I use K3B for writing CD data projects to 700mb CD-RW 1-4x discs. K3B writes ok on both drives if the inserted disk is a blank disk. If I insert an appendable disk with lots of space left, it asks to blank it before writing. I find no way to write on an appendable disk with K3B. Is this a software limitation or am I missing something?

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General :: Cannot Write Into Hard Disk

Mar 17, 2010

Well appears to be that i have two partitions..one of 300gb i did on windows time ago and one of 100gb where i place my DEBIAN LENNY 5.0, the problem is that i cannot write into it..only i can copy stuff from it.

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Fedora :: Erroneous Write During File Extend. Write -1 Instead Of 4096

Nov 17, 2009

Ive installed Gaussian '03 on fedora Core 10, but I'm unable to run it. It aborts and i get the following error


Erroneous write during file extend. write -1 instead of 4096
Probably out of disk space.
Write error in NtrExt1

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Networking :: Unable To Get Connected To Net?

May 25, 2010

I am enclosing a desktop screen shot showing details of my internet connection.Please watch it and tell me how to get connected with net.

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Ubuntu Installation :: No 'write To Disk' Option?

May 18, 2010

Upgraded from 8.04 LTS to 10.04 LTS, but can't get the sound working.Have downloaded the 10.04 Ubuntu CD image to installwhen I try to follow the directions at[URL]BurningIsoHowto for burning the image............it says to Right click on the ISO image file and choose Write to Disc. I have no WRITE TO DISC option when I right click.Will some kind soul please tell me how to burn the downloaded CD image to a CD?

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Programming :: Process Does Not Write To Disk While On Background

May 18, 2011

I am doing a program that reads data from a gps and some other devices and writes some files with all the information. When I run it normally it works fine, but if I run the program in the background (with the ampersand) files are not created until I bring it to foreground or close it. I am confused, the program should run the same way with and without the ampersand. (Could it be that the main process that creates all the threads does not create them when it is executed in background? It seems like if the program is stopped until I take it to the foreground).

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Programming :: Write() To Disk Causes Memory Leak?

Oct 26, 2010

I have encountered this problem of memory usage is increasing as the during the my program is being run until 1Mb is left then it stays at that.A part of the program is this:

#define WRITE_BUF_SIZE (1024*1024)
void post_data(const void *data, unsigned long size)


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Red Hat :: Unzipping - Write Error (disk Full?)

Apr 9, 2010

In fact I'm not the systems administrator, but I have a strange problem unzipping a file. I think is a problem of memory or swap space or somethin similar, but I'm going explain the problem in detail: Distribution: Red Hat Enterprise Linux ES release 4 (Nahant Update 3) I'm connected as root. I have this zipped file: -rw-r--r-- 1 root root 678183271 abr 7 15:30 Master032010.zip it contains a 2,4G file


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General :: Damaged Hard Disk Doesn't Pass SMART Test, And , Won't Boot With It Connected, Even From A Live CD?

Sep 19, 2010

Its basically an old SATA Hard Drive with a Windows XP partition I was trying to sell.When my computer does the BIOS checks, it doesn't pass the SMART test (but I can boot it anyway), although I can't boot Linux in any way with this Hard Disk connected (I even tried Live CD distros, like Parted Magic).I can boot the XP partition from inside the disk, although I guess its pretty close to not being able to. Is there any way to "fix" this Hard Drive?

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Ubuntu :: Unable To Get Connected To Internet / Fix It?

Jan 27, 2010

I'm running Ubuntu 9.10 as a dual boot along woth Win PX Pro x64 bit. I'm new to Linux and I need help. For the life of me I can't seem to get connected to the Internet. I have cable high speed with a router and 2 laptops on the network.

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OpenSUSE Hardware :: Cannot Write Files To The Disk As A User

Aug 24, 2011

As a testcase on how encryption works out of the box with OS11.4 I've formatted an external drive with encryption. All goes well and upon boot the passphrase is requested. However I cannot write files to the disk as a user and I can't find the correct mount command in order to get it mounted so that my users can write to it and not only the root.

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Ubuntu :: Write Speed For Hard Disk And / Or Partitions

May 10, 2010

I have what seems to be a hard disk Write speed problems with my first hard drive. Timing the cp command of a 700 Meg file takes about 8 secs from disk 2 to 3 but takes 25 minutes from disk 2 to disk 1.

Here are the details:
Kubuntu 9.04 (Kernel 2.6.28-15-generic)
Hard Disk 1 : /dev/sda (WDC WD2500KS-00MJB0)
/dev/sda1 ext3 / 10 Gigs
/dev/sda2 extended 222 Gigs
/dev/sda5 linux-swap 2 Gigs
/dev/sda6 ext /home 220 Gigs

Hard Disk 2 : /dev/sdb (WDC WD2500AAKS-00F0A0)
Partitioned :
/dev/sdb1 ntfs 16 gigs
/dev/sdb2 xfs /home/eric/data_drive 216 Gigs
Hard Disk 2 : /dev/sdc (ST3500320AS)
/dev/sdc1 xfs /home/eric/data_drive2 465 Gigs

By doing 'time cp ...sdb1/test.avi ...sdc1' takes about 8 seconds and same vice-versa. the command 'time cp ...sdb1/test.avi ...sdb1/test1.avi takes about 11 seconds and the same holds true if sdc1 is used But copy sdb1 or sdc1/test.avi to either sda1 or sda6 and it takes 25 minutes. Same problem if I copy from the same drive partition (sda). I have booted a livecd Knoppix 6.2 and the same problems happens.. So safe to say it's not Kubuntu. The only thing that is left to do is backup and reformat the partitions as XFS and try again. I also did a full smartcontrol Extended test and no errors. Checked all the various logs and nothing found.

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Debian :: Sata Disk Write Speed Is Very Slow ?

Sep 14, 2010

I got a new machine with GA-p55A-ud3 mobo and a WDC WD10EARS 1T disk.

When I tried to benchmark the disk IO, I was suprised by the low write speed:

The related output from my lspci:

The related output from my lshw:

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CentOS 5 Hardware :: Disk Write Performance Sustained (200 MBs)

Oct 27, 2010

I am experiencing disk write performance issues and I cannot find the cause. I have LSI-9211-8i SAS 2 controller (latest firmware), Centos 5.5 latest x86_64 kernel (2.6.18-194.17.4.el5 #1 SMP with latest LSI driver v. 7.00 datet Jul 27) and Seagate Cheetah ST3600057SS drives. These drives have a std write performance (sustained) of > 200MB/s (and read as well); with Fedora core 13 (same machine), issuing a dd if=/dev/zero of=/dev/sdo bs=1024k count=16384 (16 GB direct device write), gets normally to 213 MB/s (repeated retries). On Centos 5.5 I am getting speeds around 110/113 MB/s.
iostat does not show anything specific (just 1.3 % wait, CPU 99.7 idle).
There are 14 drives: tried with several of them, same figures. Reads go around 200 MB/s.

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