Hardware :: Change USB Flash Drive Sector Size?
Mar 5, 2011
It's many years since introducing of installation of Linux live CDs like Ubuntu from USB flash drives. I never been able to use such services on my 2GB KingStone flash drive, because it's sector size is 2048 and the famous linux error: "Not all ... support more than 512B sector size". Although I formatted my flash drive many times and even erased the whole partition table and cleared all flash contents with 0xFF values but it still has sector size of 2048.I want to know where the hell those softwares like "USB Startup Disk Creator" in ubuntu and kubuntu and fdisk in almost all linux distro's get to know that the sector size is 2048?
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Apr 30, 2010
I'm going to replace damaged HDDs in my server with new drives, which have sector size of 4096 bytes instead of 512. Does CentOS natively support such drives? If yes, since which version? If no, what actions should I take to correctly prepare such a drive to work. How to check that such a drive is correctly recognized by OS?
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Jan 16, 2010
So when i install ubuntu it gets to 47% and than i get this error message. After that the install doesn't really seem to do much.Code:Device /dev/sbd has a logical sector size of 4096. Not all parts of GNU Parted Support this at the moment, and the working code is HIGHLY EXPERIMENTAL.Now i did search and i found another topic where someone had the same problem. His solution was to reburn the CD and try again. I did that and it still got me the same messageP.S. I do have two boot options now however. One for ubuntu and one for windows though i already ran the uninstall.
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Mar 22, 2010
Gparted won't let me install Ubuntu 9.10 64 bit. Every time it hangs at 47% and throws a sector size error, something like: doesn't support sector size 2048 and the code is HIGHLY EXPERIMENTAL. My 1TB hard drive exists out of the following partitions:
100MB Windows 7 Reserved
900GB+ Windows 7
30GB EXT4
1MB unallocated space
Is there a workaround for this? I've tried installing Linux Mint and Ubuntu but both gave me the same error.
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Jul 15, 2011
I bought new hdd (WD2002FAEX-007BA0). This disk have normal block size (512bytes) so I do not bother with the alignment.I trying make test write speed.
Code:
dd if=/dev/zero of=/dev/sda oflag=direct bs=16384 count=100000
100000+0 records in
[code]...
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Dec 9, 2010
In the past I have been able to succesfully install ubuntu on several external usb drives with up to 500gb in size.Now I am trying to install a copy of ubuntu 10.10 on an external usb iomega 1tb eGo drive but I am having major issues.The installer reports the total disk size as only 124 gb, instead of the 998gb that gParted reports for the same disk. Proceeding with "use the full disk" installs ok, but it doesn't boot.Grub2 reports that it cannot find the kernel.After some desperate attempts to repartition and after some googling I think that the issue may be with the sector size, which fdisk -l reports as 4096kb (all my other drivers report 512kb) and I have the impression that linux is not ready for it (or I lack the knowledge, which seems more likely).I have also tried to install fedora 14. This distribution reports the correct disk size, installs properly, but again, it cannot boot (Fedora uses grub, not grub2), with a very similar message to the grub2 installer.Because of the way I work, I need my external usb drive to be able to boot linux. And I find it difficult to believe that linux doesn't handle 4096kb sector disks, so here I am asking for help . Please note I am not a linux expert.
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Jun 12, 2011
I was attempting to reformat a 16GB MicroSD card in my camera when the battery died mid-way. After that, any time I try to read the card in my camera, it gives me a "Card Error" and does not allow me to reformat it in my camera.
So, I thought I would plug the camera in to the laptop with it set to host the card as media when plugged in as USB, in an attempt to fix the formatting issue.
However, when I plug it in to my linux machine, it does not register as a device (e.g., /dev/sda) due to some errors, therefore I cannot reformat it. Essentially, I think I need to fix the partition table but I'm not sure how to when it doesn't register as a device. code...
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Aug 4, 2010
I just installed a usb card reader for my digi camera...how can I change the permissions from "root" to "user" so I can write to this flash drive?
It reads my pix just fine, but it won't let me write....
it is installed at /media/usb0
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Jun 22, 2010
can I change the ECC code for a block of a file stored on a flash drive by any means ? of a file stored on a HDD (though I don't think there would be a difference between the two)Maybe , through some hardware interrupts or anything like that?Also if possible I need the solution to be in C/C++.
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Oct 22, 2015
today I upgraded via official testing repository Gnome to version 3.18. After this, icons on desktop and nautilus are bigger, than before. Next thing, gaps between icons are smaller than before. I tried change theme to default (Adwaita), then run gtk-update-icon-cache, but without result.
Normal view - icons are big for this view. URL....
Small view - icons are still big for this view. URL...
How can I change icons size and gaps size? Or is it bug for this version?
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Feb 15, 2010
I want to simulate a bad block or sector on a drive or even a virtual drive image to test my data recovery distro. I wish I would have bookmarked when I read about it before. It was some type of low level command, I remember something about scsi subsystem or kernel thingabob.
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Nov 24, 2010
So I finally bought an advanced format drive, the 2 TB Samsung f4. I will be using it on my slackware box, running slackware 12.2 with kernel 2.6.27-7. I intend to format the drive by hand with fdisk and start the first partition on sector 2048, or perhaps boot a livecd and format it with a newer version of fdisk or parted that will natively partition this drive correctly. My real question is, do I have to do anything special to add this drive to an existing LVM volume group? I'm thinking no, since LVM basically just breaks all your data into 4 MB chunks and spreads them across the pool of partitions you've defined, but I've found many conflicting opinions from searching google. To simplify things, I'm not using RAID of any sort, neither hardware nor mdraid.
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Mar 18, 2010
I wanted to check the first sector of my USB stick, and so I issued:dd -if=/dev/sda -bs=1024 -count=1It showed me all the weird characters from the data, then after it executed my bash prompt became corrupted with the same kind of characters! Also, everything I typed was like that. (see the picture)Luckly, it was just that tty that became like that.How can I fix the fonts after something like that happens, and how to prevent it from happening whenever I use dd again?
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Jul 10, 2009
I just upgraded to Fedora 11. (I decided to give 64bit a try and I am extremely impressed.Not one problem at all! Kudos to the devs.) Whenever I log in I get the Palimpsest Disk Utility telling me two of my hard drives have a reallocated sector count.I have two 1.5Tb Seagate drives (model #: ST31500341AS). One is a backup of the other. On the first disk the disk utility tells me I have 22 reallocated sectors and 53 on the second. I've been on Google on discovered that there is no easy way to fix this and that a few bad sectors are okay but too many is a sign of imminent drive failure. This obviously concerns me because both my main drive and its backup are showing errors.
I went to Seagate's website and downloaded their diagnostic software (Seatools for DOS) and it passed both of these drives.So, questions: is it possible that Fedora is giving me a false positive? If not, is 22 and 53 sectors something to be concerned about? If so, should I contact Seagate and see if I can pull warranty on these drives? Is there a way to repair this damage?
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Sep 11, 2015
It all started about a week after upgrading to Jessie and I had an unusual system failure, in that the CPU went to 100% usage and the hard drive light was on constantly. The keyboard and mouse were were non-responsive. Not having REISUB enabled I did the "stupid" thing and pushed the reset button on the computer. BAD BOY! As a result the computer would not boot and I had to use a live CD to format the drive and install Wheezy (I had the CD).
After installing Wheezy, everything worked well for about 3 days and then it did the same thing. Fortunately I had REISUB enabled and was able to reboot. I looked at the syslog and found a segfault with colord-sane and, after some research that suggested colord-sane might be a problem, I set UseSane=1 in colord.conf . Things seemed to be okay for about 4 days.
Well, after all that I had another problem today with booting. During boot I got an error message saying that there was some hard drive problem and that I needed to log in and run fsck, which I did . There were I believe 4 INODE errors that I was asked if I wanted to repair, to which I responded yes. After that the system booted correctly. After booting and entering the Gnome Classic desktop I looked at the Disk Utility and checked the SMART data. There is now 1 bad sector where before there were none. The drive is a one year old WD 500GB Velociraptor.
Don't know if this is relevant, but in the days before this latest "crash" I had downloaded about 8 movies using bittorrent. Could this have overtaxed the HDD?
I guess my questions are: When fsck "repaired" the disk would it have moved any data from the bad sector to a new location? What may have caused the sector to go bad ? Should I be buying a new hard drive?
The system seems to boot okay,at this time, so I assume that no critical system files were affected. Just curious as to how I should proceed. First is BACK UP my data. Got that !
One more thing I just thought of is that every time it "crashed", I was using LXDE.
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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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Oct 2, 2010
I get this link [url] for change my version of flash, because I can't playing flash when I have turned on effects. So I downloaded file for my Ubuntu 10.04 64-bit and I extracted it. But there is problem, because I don't know on which location I need to copy .so file?
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Jul 27, 2010
Title says it all, I get that "un..." when trying to convert an .img file to .iso, am I doing anything wrong here?.
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Aug 3, 2009
Upon installing Fedora on my Samsung NC10, I loved it. It feels stable and isn't cluttered with pointless apps. However I was immediately greeted by Palimsest Disk Utility warning me that the 'reallocated sector count' on my hard drive is going bad. I'm not too sure what any of it means but here's the statistics;
ID: 5
Attribute: Reallocated Sector Count
Current: 100
Worst: 100
Threshold: 10
Value: 1 sector
Status: failing
type: pre-fail
status: updates
It also says the temperature is 46 degrees yet the netbook's taken to being very, very hot around the touchpad and under the hard drive.
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Apr 8, 2011
I am trying to install Ubuntu to an external usb hard drive (WD Elements SE). I am also choosing to install the grub bootloader to this disk (/dev/sdb) because I do not want anything modified on the internal drive. The installation appears to go okay, but when I try to boot to the usb drive, I get the error, "no boot sector on usb device" and it immediately falls back to my interal drive. I have tried this installation with both 10.10 (amd64) and 11.04 (amd64). How can I fix this?
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Jan 23, 2010
I wanted to know if i can install 9.10 onto a usb flash drive--without using my computers hard drive at all when running ubuntu off the flash drive-
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Jun 11, 2011
Back in Febuary, my wife bought a Toshiba Satilite from Wal-Mart and a few days ago the hard drive got toasted. So now I'm using an 8gig usb drive as the boot drive. I also have 2 other flash drives for downloads and such but overall I am very pleased.
I'm running 11.04 32 bit and was wandering if 64 bit made a difference. I've got 4 gigs of ddr3. It's slow to boot, but once it's running, it's faster then Windows 7. Very nice.
Is there anything I should chage, use, since I'm running it off a flash drive??
I have 3 seperat drives, 2 x 16 gigs and an 8 gig, and was wandering which one would be best for booting off of? What do I look for??
Here's what I got:
00:00.0 Host bridge: Advanced Micro Devices [AMD] RS880 Host Bridge
00:01.0 PCI bridge: Toshiba America Info Systems Device 9602
00:06.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 2)
[Code]....
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Jun 20, 2010
I bought an 8GB flash drive because my D drive doesn't read DVDs. Anyway, my goal is to install Linux ubuntu and have it be my OS (replacing Windows XP). Last night I went to the Ubuntu homepage and downloaded the Ubuntu desktop edition 32-bit and put it on my flash drive. I followed the instructions on how to open and run it, but I was never asked about whether I want Linux to run side by side with Windows or if I want it to replace Windows. It downloaded the whole program, my computer restarted and then (on a black screen) it asked if I wanted to use Windows XP Home Edition or Linux Ubuntu. It's really frustrating because it took a while to download and install it in the first place AND to top that off, when I tried to use Ubuntu it went to a black screen and at the top said that there was an error. So I uninstalled all the ubuntu program and software and now I have a clean slate and want to try this again. I am a complete n00b. Could someone please walk me through how I can go about downloading (w/ links plz), installing and making ubuntu my ONLY OS on my computer via a flash drive? I'm desperate and I don't want to go through all of that and make the same mistake again!
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Jul 3, 2010
I have a Transcend 4GB USB flash drive that suddenly stopped working. However, when I insert it into the USB slot, the light on the drive glows, but I'm unable to mount the drive, neither does ubuntu detect it.I disconnected the flash drive, and then run `dmesg | tail`. The result was this :
[ 623.940610] scsi7 : SCSI emulation for USB Mass Storage devices
[ 623.940928] usb-storage: device found at 6
[ 623.940931] usb-storage: waiting for device to settle before scanning
[code]...
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Apr 8, 2011
How to find the filesize of a flash which is not exactly stored in the temp but redirected by a fd.
flash31 -> /tmp/FlashXXvsg1uY (deleted) directory is /proc/processid
Chrome is downloading a flash and I can see in the proc directory the flash file, How can I see the current file size of such a file ?
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Nov 8, 2010
I have a linux system which has a NAND flash. The compressed kernel is flashed into the NAND flash. On boot up, the kernel is uncompressed, copied to RAM and runs from RAM. Is it possible for me to read the kernel information from NAND flash such as size, start and end location and version?
I have been looking for this in the net, but did not find any answers so far...
I have tried the following: The compressed kernel lies in the 4MB partition of the flash. So I tried: dd if=/dev/mtdblock1 of=zImage But this copies the complete 4MB partition. I need to copy only the zImage. So I need to know its size.
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Jul 2, 2010
I need to know how to change the default size of /dev/shm on a 9.10 box. In previous versions this was controlled by the value in /etc/defaults/tmpfs but this no longer works. What is the correct method to change the default size?
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Apr 21, 2010
I want to make a new partion,my home is /dev/hda9,so I use the Partion Editor(Gparted) ,frist umount the device(umount -l /dev/hda9),then change the size,everyone thing works well until I clicked the Apply,the error occurred:
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Nov 5, 2009
I'm a student in a linux class and we just installed fedora. so far it's nice except that the work we do is in the CLI which I can barely see because it's so small on the screen! I've been squinting at the screen for a little while now but it's just proving to give me more of a headache and hurt my eyes than anything. Anyone know how to change the font size so that I can actually see the work I'm doing?
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Nov 16, 2009
I'm running OpenSUSE 11.2 on my Acer Aspire One with a 9 inch LCD. I have configured the monitor in Sax2 to reflect the size and 1024x600 resolution, and as a result the desktop fonts are all sized correctly.
However, the fonts on the KDM log-in screen are too large, and I'd like to reduce them if possible. Looking in the KDE Control Center, I tried using the Login Manager utility to adjust the KDM theme, but any changes I made seemed to have no effect i.e. changing the font size, or even the overall theme itself, still resulted in KDM using the default green OpenSUSE theme with large fonts.
Does anyone know, therefore, how to adjust the KDM font size or DPI in OpenSUSE 11.2?
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