The ext4 or fourth extended filesystem is a journaling file system for Linux, developed as the successor to ext3.
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1answer
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Does copying files from NTFS to EXT4 degrade/corrupt the files?
The reason I ask is I am very new to Ubuntu, but I want to get into mobile development. I installed Ubuntu alongside windows 8 but it just doesn't run quite as well as I would expect so a friend ...
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0answers
17 views
how to access ext4 partition
i had already installed ubuntu on other partition. in installer i've chosen option "overwrite Windows 7" because i haven't got option to update the ubuntu. How do I access to ext4 partitions of the ...
22
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7answers
57k views
How to resize a ext4 root partition at runtime?
How to increase the size of the root partition of a system a runtime? I have a partition that is not allocated after the root partition (which is in ext4), how can I add it to root without having to ...
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0answers
48 views
How to expand the ext4 primary partition size in a VMware Player virtual disk?
I have a VMware Player virtual machine setup, running Ubuntu 10.04 as the a guest OS.
The VM was created on a 20GB virtual drive, with a single partition for working space. Finally I got to the point ...
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1answer
27 views
Resize ext4 /home partition from start sector
I need to resize my ext4 /home partition to make space to my boot partition before it. The thing is to do so I need to change the start sector of my home partition (the boot partition is extended on ...
8
votes
3answers
8k views
Convert filesystem NTFS -> EXT4?
I have 2 TB of data on an NTFS drive which I would like to convert to EXT4 filesystem. My OS runs on a (comparatively) small 60GB SSD. Is there any way to convert the filesystem, apart from backing ...
2
votes
0answers
40 views
Ubuntu and fat partition, why and can I change it?
I have a mac from 2006 and it is already not supported by new Apple system. So I did get back to Linux and I did chose Ubuntu 13.04. I did install Ubuntu side by side with OSX, but I did notice that ...
0
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1answer
51 views
ntfsresize -b -f not working chkdsk /r freezing
I've got a failing hard drive. Don't have the funds atm to buy a new hard drive. So I need to hold up. My main operating system is now ubuntu which is able to run the hard drive fine without any ...
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0answers
38 views
How to backup Ubuntu partition via Windows?
I wanted to make a backup of my Ubuntu (12.04) partition before upgrading to 13.04, but I've come up against a snag. None of the tools I can find can make an image of the currently-mounted drive - ...
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votes
2answers
36 views
Hide ubuntu partition in win7 [closed]
I was searching forum but I didn't find solution to my problem.
I've installed Ubuntu 13.04 and Win7 on one HDD in UEFI mode. I'm able to boot in both OS'es separately from grub (added some entries). ...
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0answers
38 views
ext4 is full but checked OK with fsck and badsector and shows plenty of free space
I need your opinion on this, any idea welcomed:
I have a PC with separated / and /home FSs.
The root fs has ext4 on sda5, Ubuntu is Precise Pangolin LTS 3.2.0-40-generic-pae.
I had a package update ...
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0answers
23 views
Recovering directory structure from accidental install of Ubuntu 12.10 on ext partition
I mistakenly installed 12.10 Desktop on my 3TB data drive I specified , and upon realizing it, I tried to recover data by looking for the old partition map--which of course was not there. However, I ...
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2answers
553 views
Android phone: how do I play MP3s on my hard drive over WiFi?
Wasn't sure whether to ask on here on on android.stackexchange.com ... but I want to play music which is on my desktop machine through my phone. The music is coming from ext4 partition which I am ...
1
vote
4answers
8k views
How to set permissions so that I can read and write to another partition?
I m using Ubuntu 12.04 and i have to partitions part1 and part2, both are ext4. I want to transfer media files to and from them freely through programs.
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votes
1answer
36 views
Why aren't my drives fscking [duplicate]
I logged on to my Ubuntu server and the message of the day contained these wonderful messages:
*** /dev/sda1 will be checked for errors at next reboot ***
*** /dev/sda6 will be checked for errors at ...
1
vote
1answer
45 views
Hard Disk Formatting Error
so here is the situation..
I installed Ubuntu, pretty sweet.... all was going well till i tried to install an application " LPCXpresso IDE for ARM micro controllers" now the PC hung up as soon as the ...
6
votes
6answers
9k views
Which tool to backup an ext4 partition?
I'm searching for a tool to backup a whole ext4 partition to an image. I tried the latest version of mondo, which is not working. What are good alternatives?
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votes
2answers
307 views
What is the default behaviour of atime?
I have an Ubuntu 11.04 installation. The /home directory is on a partition
which uses the ext4 filesystem. I haven't changed the default configuration so
the filesystem is mounted at boot time with ...
1
vote
1answer
114 views
Cannot format USB drive to ext4
i'm trying to format USB drive (some noname 32GB) to EXT4. It always hangs on step writing superblocks ... and always stops writing numbers after it reach to 125/256. I'm use command mkfs.ext4 ...
5
votes
1answer
68 views
What algorithm is used by Disk Utility encryption?
What encryption algorithm is used by the partition encryption function of Disk Utility?
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votes
1answer
94 views
How to shrink an ext4 /home partition without using a LiveCD and losing data?
I need to shrink an ext4 /home partition (/dev/sda9) to make space for something else.
I would prefer avoid live CDs (boot troubles with new EFI and. I don't have a CD/USB in hand in the office).
I ...
2
votes
1answer
73 views
How do I fix my broken/damaged Kubuntu installation?
(I am dual booting Windows 8 and Kubuntu.) I've been having a lot of fun with Kubuntu. I've done a lot with it, including installing GNOME desktop, just to try it out. One day I was in Steam and I ...
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vote
3answers
86 views
Is it possible to unmount the /home partition?
I want to recover some files in my home directory using extundelete
http://sourceforge.net/projects/extundelete/
This tool needs to unmount the device before start to work, but I cannot umount ...
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votes
0answers
217 views
Messed up SuperBlock/Journal SDCARD
I had recently partitioned my SDCARD to work with my phone. Added an EXT4 and FAT32 partitions. After a power failure the data got corrupted. I can still see it but it's not the same as before. I've ...
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votes
0answers
58 views
fsck on ext4 resulted in file corruption
I had to hard reboot my machine and I had a file system corruption. I have tried to run fsck on the partition from live CD. However my partition is ext4 and I understand that fsck defaults to ext2 ...
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votes
10answers
14k views
How to read ext4 partitions in Windows? [closed]
I have two questions on ext4:
Is there currently a way to mount an ext4 partition in Windows (XP/Vista/7) to get basic read support?
If not, are there any plans to support this someday?
1
vote
1answer
217 views
Can I disable updatedb.mlocate?
On ubuntu server here and I'm trying to unpack 300M image files from a compressed file format using Java.
My unpack rate is 0.5Mbytes/sec, abysmal (34 days to unpack 1.5TB at this rate).
I'm trying ...
0
votes
1answer
47 views
Where are drivers located for rEFInd?
I am planning to recompile my kernel with EFI Stub support, but currently my Ubuntu installation's partition is formatted with ext4fs.
I have the rEFInd ext4fs driver (ext4_x86.efi) in the refind-bin ...
1
vote
0answers
192 views
Vanished partition recovered, disk still half full but no data to be found! [closed]
I recently had a hard drive partition vanish on me while moving the drive from one machine to another. In an attempt to fix the problem I took it out of my Ubuntu box and put it in a Windows machine ...
4
votes
2answers
3k views
Share Ext4 Partition Over Network
I have an Ext4 partition (not auto-mounted) that I would like to share (entirely) in my home that contains Mac OSX, Windows and Linux machines (currently the most important is sharing with the Mac). ...
0
votes
0answers
28 views
Install a software throe wine on ntfs partition
I have a question I want to install windows software, but I do not have enough space on ext4 partition, so if I install the software on ntfs directory will the software run as it would run on ext/home ...
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votes
0answers
102 views
Recover data from NTFS partition after being formatted to ext4
I understand this is EXTREMELY unlikely, I was just wondering if someone might have a tip or two?
I have an external 500GB HDD that was formatted to NTFS and I (VERY stupidly...) left it plugged in ...
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vote
2answers
154 views
My NTFS and ext4 partition mounts as read only
After upgrading some packets (that I don't know what), my ext4 partitions are mounted as read only:
m@mpc ~ $ sudo mount /dev/sda5 /mnt
mount: warning: /mnt seems to be mounted read-only.
My NTFS ...
1
vote
1answer
69 views
Changed Partition from NTFS to EXT4 and owner is set to root
I just changed the file-system of one of my partitions to be able to install games from steam on it. It is now ext4 and Owner is set to root, I can not create any folders there or do anything with it. ...
2
votes
1answer
199 views
File recovery after reformattig ext3/4 partition — extract old journal/superblock?
I seem to have reformatted my /home partition (previously ext4) as ext3 during an Ubuntu installation. It took me a couple of mounts to figure that out. Which, of course, is a bad thing. I've tried ...
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votes
2answers
19k views
Is it worth to tune Ext4 with noatime?
With previous versions of Ubuntu (using Ext3 filesystem) I used to tune it for better performance with noticeable results by setting the noatime parameter in /etc/fstab.
Is it still worth it to do ...
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votes
0answers
162 views
High IO load with Dropbox (jbd2 on top of iotop)
I have Ubuntu 12.04 with Dropbox installed. Sometimes, when files are downloading (we have a huge shared Dropbox share), I get very high disk activity (HDD led almost continuously bright, with easy to ...
4
votes
1answer
236 views
ext4 to btrfs conversion: how long can it take? space requirements?
I started btrfs-convert for my ext4 partitioned hdd. I did a fsck first which was fine.
So since it is running over 4 hours now (1.) I wonder if it will ever finish ?
I read multiple articles ...
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votes
0answers
39 views
Lost file .xhb with homebank in ext4. It's 0 bytes now. How to restore it?
Today I switched on my laptop and saw the LED of the HDD on for long time. It never went off. Usually it stays on while booting - around 15-20 seconds. This time the laptop didn't boot and the screen ...
16
votes
9answers
23k views
How do I repartition with GParted?
I wanted to create more space for Ubuntu on my hard disk in favor of my Windows partition. I booted the livecd and resized the NTFS partition to 100 GB. Then I wanted to resize my Ubuntu (ext4) ...
1
vote
1answer
165 views
Installing Ubuntu 12.04 LST along windows without formatting any drive
I am facing a problem while installing ubuntu along with win8. The specs about my pc are following:
500 GB HDD (c:100, d:100, f:50, g:100 h:100 i:50)
and every drive has important data, and are NTFS
...
1
vote
1answer
41 views
Does ubuntu one synchronize extended file attributes?
Ext3 and 4 filesystems, if mounted with that option, support extended file attributes with which you can add metadata to your files: author, ACLs, and actually whatever you want. Does Ubuntu One ...
1
vote
1answer
132 views
High CPU load for 1:30 minutes when mounting ext4-raid partition
--> The problem solved itself <--
Sometime between November 2012 and January 2013 one of the Ubuntu updates made the time the mount command takes to complete go down to ~1 second again:
time ...
0
votes
2answers
563 views
How could I mount an ext4 partition and have write permission?
I've set the /etc/fstab file so that I can mount an ext4 partition on startup and I did it with the following options : rw, auto, nouser, exec, sync.
The problem is that I can't create or delete any ...
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vote
2answers
486 views
Ubiquity installer hangs after “Prepearing to install…”
I have tried this on a brand new latest Xubuntu disk, and then on an old regular Ubuntu 10.10 disk. Both result in the same thing (and I would prefer to use Xubuntu, if possible.)
I have tried ...
1
vote
1answer
201 views
NTFS vs EXT4 behavior on a HDD with a bad block
Anyone have a guess as to why a HDD, formatted to EXT3, failed showing a bad block, and when wiped and reformatted (just to test) gave errors in gparted for every file type except NTFS?
The drive ...
1
vote
1answer
212 views
Mounting NFS issues - LVM - ext4
I set my ubuntu desktop up with LVM2. I don't know if that is contributing to the issue or whether I have forgotten something.
When I try to mount the external filesystem with this command:
sudo ...
1
vote
1answer
103 views
ext4 filesystem wrongly detected as jmicron_raid_member
I have an installation of Ubuntu 12.04 on an SSD disk that I'm unable to boot after a kernel upgrade and a reboot. Additional things that might be a possible cause is that I did some cleanup (dpkg -r) ...
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votes
0answers
55 views
problem with disk quota
I have just a couple of users in partition /home, say, home/u1 and home/u2, mounted on a 2TB hard disk. Both users use up only about 10 GB of disk space. Quota is not enabled, in fact, when I run ...
0
votes
1answer
120 views
Will converting my first partition to EXT4 make me lose boot info?
I recently switched from Windows to Lubuntu as my sole OS.
My filesystem now has a NTFS partition with all my data (which I now would like to convert to EXT4), a EXT4 partition with Lubuntu on it and ...
