Ubuntu :: Make Grub Always And Permenantly Detect Ext4 As Ext4 Not As Ext2?
Apr 23, 2010
I got a problem booting ubuntu 10.4 RC but i solved it by replacing root partirion uuid in grub boot menu then I disapled totally uuid passing to linux from /etc/default/grub . but something else i noticed why grub choosed insmod=ext2 why not ext4 specially I use now ext4 .I tried by editing the grub boot menu replacing "insmod=ext2" by "insmod=ext4" it booted and the three lines error during booting that i used to see them science ubuntu 9.10 totally disappeared . really I dont understand can anybody explane for me.and if what i did was right ,can anybody tell me how to make grub always and permenantly detect ext4 as ext4 not as ext2.
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Mar 27, 2010
I have dual boot system..i.e, windows XP and ubuntu 9.10(insatlled side by side). when i try to boot ubuntu, Im gettin sh:grub > prompt
[Code]...
I am getting something like this.. root mount file system failed.. ext2 ext3 ext4 ....... kernel panic message and hanged at kenelthreadhelpper+ what can i do.. I cant reinstall ubuntu again.. Because I have installed nany application there..
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Apr 30, 2010
I run an upgrade and an update on a lucid lynx beta 2. --- got no problems. but about the filesystems i have some questions because it seems for me that at every system boot the system will run an fsck. somtimes it's shown up, somtimes not. but in /var/log/messages and in syslog
I have always following messages ( occured in beta 2 too ).
But first before i continue - here my disk layout:
And here my filesystem types:
This is my problem because those values are seems to be static ! ( note: this partiton is mounted but not in use ) and last not least: the drive is an external usb scsi disk. but on the other side lucid lynx is running fine on my box.
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Mar 23, 2010
I'm on Slackware-current and I've got a /dev/sda1 (the root partition) formatted as ext4. The output of /etc/fstab is:
Code:
/dev/sda2 swap swap defaults 0 0
/dev/sda1 / ext4 defaults 1 1
[Code]....
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Oct 31, 2010
I have a usb flash drive and according to sources I found out after the fact that I should have used ext2 instead of ext4 due to the extra write operations.
Is it possible to convert the ext4 root partition to ext2 or do I need to backup, reformat, and restore?
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Jan 26, 2011
I want to install Ubuntu to a USB Flash drive (so I have my Desktop everywhere and can customize it as I want). I'm still choosing what's the best filesystem for the USB; Ext2 with no journaling or Ext4 with journaling but performance increase? I know that journaling will probably reduce the life of the USB flash drive dramatically, so is Ext2 the obvious choice? Or is it a bad idea to install Linux (Ubuntu probably) on a USB Flash drive? I tried running a live CD from the USB drive, but it wasn't very customizable - which is the point of carrying my OS with me.
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May 19, 2010
I had 5.4 machine. Upgraded to 5.5 today via yum upgrade. All went fine. Rebooted. Wanted to convert root partition to ext4 (I have three partitions: /boot, / and swap). All of them on software RAID 1 (root is /dev/md2). I did the following for converting
yum install e4fsprogs
tune2fs -O extents,uninit_bg,dir_index /dev/md2
nano /etc/fstab # I indicated here that my /dev/md2 is of ext4
[code]....
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May 4, 2010
I am trying to do a fresh install on the HDD that had 9.10, a 80GB ext4 drive. All that shows up is my other HDD, a 160 GB ext3 drive. Why is this happening? "ls /dev/|grep sd" only returns sda and sda1. My 80GB drive has a few partitions, one for swap for instance.
Edit for clarification:
2 harddrives in 9.10:
80 GB HDD /dev/sda
1 ext4 partition that has ubuntu installed (/dev/sda1)
1 extended partition (/dev/sda2) for swap (/dev/sda5)
160 GB HDD /dev/sdb
1 ext3 partition /dev/sdb1
Only the 160GB HDD is detected when using the liveCD (as /dev/sda and /dev/sda1). I can mount it just fine, but my 80GB HDD is not detected. After ejecting, I can boot my 80GB HDD just fine...
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Aug 31, 2010
Just wanted to see if any one had this experience? I just did a fresh install of the recent LTS and saw it made a whopping 8 1/2 gig swap on a new pc I have 3 gigs of ram in? Im a try to resize as I have already done my customizing to it.
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Jan 6, 2010
I have slackware 13 ext4 partition. Debian lenny ext3 partition. and a /data ext3 partition Debian contains the grub boot loader i've been using to boot slackware. I'm going to wipe debian and I installed grub to /data with knoppix cd. Grub on debian booted into slackware just fine, but the grub I installed (onto data partition) with knoppix live cd does not find the slackware kernel. I am using the exact same menu.lst. apparently debian grub had ext4 support, but knoppix does not. both are grub .97. Is there a way to add ext4 support?
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Sep 8, 2010
I have nearly 200GB of space free on the HD with my linux main EXT4 partition, and I'm wondering if I can convert a large part of this to a new NTFS partition that I can use for my windows XP paralell install?
Basically, what do I have to do to resize and create the new partition and how do I get windows to recognize it?
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Apr 27, 2011
I have one computer with windows and one with ubuntu. I have an external drive (FAT32) with files taken from an NTFS (mp3s and such) and I would like to put them and use them on an ext4 ubuntu platform. Can I make a partition of the /home folder NTFS and the system ext4 and function properly? I do have configuration files in the /home folder since Im building a domain controller that utilizes samba on ubuntu: would I be better off using a dual boot with windows/ubuntu and placing the files on the Windows partition? what is my best option?>
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Jul 6, 2009
I am noticing RHEL 5.4 is in beta. Does anyone know what 5.4's plans are for ext4? Is it still going to be a non-bootable addon? Or, will GRUB now boot off it?
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Mar 13, 2010
Tuesday night I wanted to make a backup of my Ubuntu ext4 partition via Clonezilla so I configured that an image had to be made and it would be saved on the NTFS external disk. But it said it needed 23 hours to create a 5gb backup, so I resetted my computer as this took too long. But after this, Ubuntu nor Windows recognized my drive.
I called Seagate and they told me after troubleshooting 30 minutes, that there is no option of fixing the drive and I had to send it to RMA. What could be wrong? Clonezilla works via a bootable ISO on Debian. The disk drive is still spinning. I already rebooted the external drive, but it's not working. In Linux the disk is no longer mounted and cannot be mounted:
Code:
brw-rw---- 1 root disk 8, 16 2010-03-12 00:50 /dev/sdb
brw-rw---- 1 root disk 8, 32 2010-03-12 00:50 /dev/sdc
brw-rw---- 1 root disk 8, 48 2010-03-12 00:50 /dev/sdd
brw-rw---- 1 root disk 8, 64 2010-03-12 00:50 /dev/sde
What could have happened? Would the data still be accessible on the internal drive? Did I just loose 1.5TB data that was stored on the external disk?
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Nov 6, 2009
Shrinking the Vista partition and format the rest of the HD as ext4 and install Fedora into that partition and put the GRUB in MBR, is this the right way to dual-boot fedora with Vista?
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May 12, 2010
I installed Debian on a old hard drive (quantum 5gb) and ran with it for a couple of days.. BUT all my data (including windows) is on my other hard drive.. so my question is What do I have to do to make grub detect windows and linux when I attach the 2-nd hard drive?
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Dec 19, 2010
I'm running Ubuntu 10.10 x64 and have been using an encrypted ext3 setup (created with the alternative installer CD) ever since Hardy or so. Is it possible to migrate my partitions to ext4 without formatting/reinstalling ?
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Aug 13, 2011
I want to install my new pc with Ubuntu. I want to use ext4 on my SSD. Does it work? ext4 on SSD? Are there any Problems?
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Apr 7, 2011
I'm using ubuntu 10.10.While I installed it in my desktop, i choose double boot by selecting "install them side by side,choosing between them each start up". After installing I found that my ext4 with root size is 100GB and swap 4 GB. Isn't it too big!!?? Is there any way to reduce the size of ext4 with root without harming the OS? Should it be done?
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Jun 2, 2010
A friend installed Lucid on his system that has three hard drives. For some reason it installed on his secondary, data drive. Now all his files are gone. Is there a utility out there that would enable him to recover any files from this formatted disk?
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Jun 28, 2010
I was resizing my ext4 partition and I cancelled it while it was at the reading stage think it was only reading it and nothing else, but now it is corrupt.
When I run 'fsck -n /dev/sda5' I get the error:
Code:
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Aug 6, 2010
I'm trying to figure out why files in linux are oriented in the folders the way they are. In Windows it's much simpler to picture. You have program files (C:Program Files(x86), system files (C:Windows), user settings for programs or personal stuff(C:User), and some weird folder names. I was noticing that the Ubuntu ext4 filesystem is a little more complicated. Some folder names are self explanatory, but others are not. Is there a guide, or some reading material on the history of the linux filesystem and how it morphed into what is presently used in Ubuntu?
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Oct 25, 2010
I am not sure not to finish this line
UUID=d283b277-5df4-4e83-80b1-6021f2fe8272 /media/Label ext4
it is for storage
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Nov 14, 2010
I really need to be able to sort the directories on some of my disks - not just sort the display of them, but actually sort the contents. I remember the old Norton DS.EXE that did it back in FAT16 days before long filenames, and after some googling, I found fatsort is in the repositories, but that doesn't do NTFS or ext4...
Ubuntu preferable (obviously, since I would really like to sort some things in my ext4 partitions), but if anyone knows a Windoze program that can at least do the NTFS partitions, that will be a start... Of course, I could get a new HDD, manually create all the folders in order, and copy the files one-by-one in order, but I don't have that level of patience!
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Nov 15, 2010
i installed ubuntu 10.04 and accidentally choosen ext3 over my home partition ext4...and now it erased(?) all the files in my home folder...
is there a way to return the ext4 files??
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Dec 11, 2010
convert ext4 to NFS?
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Dec 15, 2010
I want to add unallocated (17.94GB) to ext4 (ubuntu). Is it possible? And how to do this?
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Jan 4, 2011
I'm having problem in formatting the newly added hard drive to my Ubuntu 64 bit server, is there any explanation why I got stuck to this error ?
Code:
root@isuzu:~# fdisk -l
Disk /dev/sda: 21.5 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
[Code].....
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Jan 24, 2011
Seems like I misplaced this topic. Should have been in general help. Sorry! Any moderator feel free to move this topic. As I was creating a swap partition, something went wrong and I ended creating a much bigger file which consumed all my empty space. Ubuntu stopped working and now I can't seem to fsck / mount my disk. Currently I'm on a live cd. fsck will give:
Code:
e2fsck 1.41.12 (17-May-2010)
fsck.ext4: Device or resource busy while trying to open /dev/sda2
Filesystem mounted or opened exclusively by another program?
However, the file system is not mounted.
[Code]...
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Apr 5, 2011
I just got a *new* computer (way excited, but I digress) I want to dual-boot Windows 7 (I have my reasons), but I want to use ext3/ext4 for most of my data. So I went looking for options to read ext3/ext4 from Windows.
Some of the things I found: [URLs]
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