The ext4 or fourth extended filesystem is a journaling file system for Linux, developed as the successor to ext3.
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Moving 11.10 complete system to a new bigger Harddisk
I would like to move my current installation of Ubuntu 11.10 to a bigger harddisk, since the old one is failing.
I would like to avoid solutions like dd block copying (since there would be unused ...
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2answers
204 views
Journaling Backup
Is there any software that takes journaled backups for Ubuntu?
I'm currently using the built-in deja-dup, which is great. However, it backs up at most once every 24 hours (daily). Is there any way ...
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1answer
326 views
How to make ext3 converted to ext4 support e4defrag?
I have two ext3 filesystems that are very old and have been 99% full for a long time, leading to fragmentation. Also, they've been used for running VMs with dynamic disk images and other ...
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1answer
338 views
Copy/Backup ext4 files to external ntfs hdd: Permissions etc
Normally I backup my files (from ext4 drive) to an external ext4 hdd. Now I want to copy/backup some files to an external ntfs hdd, so I have the possibility to access them from Windows, too.
Is ...
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0answers
158 views
Wich ext4 file system snapshot tools are available and how to use them
Which tools are available for an ext4 file system.
How can I create a snapshot and how to restore one?
I only have access via SSH.
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0answers
174 views
I can't copy any file to ext4 partition! [closed]
I converted on of my NTFS partition to EXT4 format with GParted tool, But now I can not copy create any files to that partition, also on start up I have error reading of one partition so I have to ...
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1answer
1k views
How long does an ext4 format take?
The USB cable on my Iomega Prestige 1TB hard drive conked out a while back, and I've finally managed to get a new one. I removed the old NTFS file system because I use Windows maybe once a month, and ...
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5answers
2k views
Move ext4 partition
I have an ext4 partition at the end of an hard drive, and want to resize it to the full disk size (the rest of the disk is empty). It's not the root partition, just a data partition, so it's no ...
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673 views
Can't read ext4 external hard drive in 12.04 live USB
I have formatted my external hard drive in ext4 filesystem in Ubuntu 12.04 64 bits that i have installed with Wubi. I have no problem to read its content when i'm using Ubuntu installed on my ...
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1answer
744 views
Can't access an ext4 partition in a external HD
I have a 1TB external HD that I partitioned into a FAT32 partition and an ext4 partition. Apparently the file system of the ext4 is damaged and I cannot access it. The disk utility on the drive looks ...
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0answers
232 views
Stuck on 12.04 install [closed]
brand new HP box -- installing from cd that is a good burn, have tried several times. I am stuck at "creating ext4file system for / in partition #3"
Been here for 25 minutes? Normal on a new ...
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5answers
6k views
XFS or ext4 on external hard drive
I have an external hard drive on which i want to make a backup of my files.
Which file system between XFS and ext4 will be the fastest to write data on the hard drive?
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1answer
704 views
Formating NTFS partition into EXT4 and setting up as home
i know that this question may be asked before, but i couldn't find it. If you find out that this is a duplicate question feel free to close it and post link to that question in answer. Thank you.
So ...
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2answers
4k views
New ext4 partition and used space
I have fresh ext4 partition, which means I just formated it with mkfs.ext4 -m 0.1 /dev/mapper/abak-home, and there's already 27G space used. Setting reserved root space (-m) to 0 didn't have any ...
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2answers
288 views
ext4 hogs lot of unkown space compared to ext3
Ext4 FS has claimed 3% of partition space. Where has this gone and can I get it reclaimed? I have tried disabling Journals for the ext4 partition. Even this is not helping. Any other tricks I can try ...
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1answer
492 views
What filesystem should I use for a Seagate Momentus XT Hybrid ST750LX003?
I am considering upgrading my regular HDD hard drive on my laptop by the SSD/HDD Seagate Momentus XT Hybrid ST750LX003 hard drive, and I was wondering if I should take any particular consideration in ...
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1answer
241 views
bind (hardlink) one directory to many places
I need to "bind" one directory to many chrooted places. I know that I can do "mount -o bind", but this requires special processing on startup each time (run the mount).
Is there a way to do it on ...
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1answer
5k views
How do I enable extended attributes on ext4?
I want to play around with Ceph and it needs extended attributes enabled. How do I mount my filesystem with this support?
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0answers
160 views
How can I mount a shared partition with nobody.nogroup? [closed]
I've successfully shared a dedicated partition using samba, setting new files & directories ownership to nobody.nogroup.
How can I edit fstab to make the local user work with the partition using ...
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1answer
3k views
Disks constantly spinning no matter what I do (jbd2). I'm on the brink of insanity
My disks have been spinning for months. It started with Ubuntu 11.10, and continues with 12.04. I can't figure out how to stop it. I've looked at various folks suggestions online about ext4 commit ...
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1answer
724 views
(No Root File System)-ergo no install 12.04
I have my HDD 1Tb partitioned with fs ext4.
Previously I was booting from the 2TB Hard Drive...I disconnected that.
Now I want a clean install 12.04 but cannot figure out "Root File System" ("/")
...
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1answer
2k views
ext4 jbd2 journaling active even on empty filesystem
I have been having several issues with my ext4 file-systems that seem to be due to jbd2 journaling. I made a related post here and am rephrasing it with the hope that someone may be able to help.
For ...
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2answers
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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). ...
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2answers
612 views
How to overwrite Ubuntu with Windows 7? [closed]
So I have a Windows DVD and it works. But when it gets to the part when it says "Upgrade" or "Custom" I click on custom and at the bottom it says cannot install over it because Windows 7 can only be ...
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2answers
847 views
rsync not working between NTFS/FAT and EXT
I have music that I play in my car, from an FAT32 USB stick. The folder which I use to put songs on is stored on my EXT4 hard drive. I add/remove/retag songs regularly and occassionally want to ...
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2answers
753 views
Arbitrary EXT4-fs remounts scattered throughout dmesg output
I've been trying to diagnose a message I see in my dmesg output. Last night I was watching a video which really taxed my notebook and I noticed that the computer was super hot and the fan wouldn't ...
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2answers
2k views
Utility for resizing partitions
Is there a partition utility in Ubuntu from which I can break my existing 'ext4' partition into more partition w/o loosing this partition's data?
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1answer
282 views
How do I change the size of an ext4 partition? [duplicate]
Possible Duplicate:
Resize partition with GParted
I upgraded the hdd in my FOG server (Ubuntu 11.4) to 500gb but I can't find a simple way to enlarge the partition to take up the empty ...
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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 ...
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2answers
503 views
Is ext4 stable on 11.10?
I have seen that Ubuntu 11.10 is offering Ext4 as default file system. As I have googled some time on ext4 and found that ext3 is quite stable that ext4 as it still has some bugs.
Even the Ubuntu ...
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3answers
502 views
How can I tell what kind of partition I have? (ext2,3,4)?
I read this article talking about chopping boot-time in half with e4rat, but in order to do so your partition has to be ext4. How can you check what kind of partition you have?
Thanks in advance
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EXT4-fs: previous I/O error to superblock detected [closed]
i have installed Ubuntu 11.10 on my usb hdd. The problem i am getting is this:
ext4 (sdb6): previous i/o error to superblock detected
buffer erronr on device sdb6. logical block 0
I have been told ...
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3answers
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How do I mount a Truecrypt volume with special options?
I would like to mount an ext4 truecrypt drive with --fs-options but it doesn't work. Also I created a FAT partition and the following command is working. What is the alternative command if my ...
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1answer
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ext4 Data Recovery from format
When doing a clean install of Ubuntu 11.10 I accidentally selected for my data disk. I have already searched for the partition using testdisk and couldn't find the data partition.
Files on the disk ...
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1answer
293 views
NFS server generating “invalid extent” on EXT4 system disk?
I have a server running Xen 4.1 with Oneiric in the dom0 and each of the 4 domUs. The system disks of the domUs are LVM2 volumes built on top of an mdadm RAID1.
All the domU system disks are EXT4 and ...
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1answer
648 views
Newly created ubuntu users cannot access my internal hdd partitions
I have a problem with my ubuntu 11.10, the issue is described in the following link: Hard disk icon disappears after mounting
After digging and digging I found the issue. It's a problem with ext4 ...
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2answers
336 views
Ubuntu Natty Froze when copying files to my Ext4 External Drive, files can be recovered if corrupted?
I heard that Ext4 Was more stable in these conditions, but how can I be sure that my files didn't get corrupted in the process? I heard that because of Ext4 journaling file that the files aren't very ...
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4answers
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What are benefits of upgrading filesystem from ext2?
I have ext2 filesystem installed on my work machine. I talk with my friend who knows linux a lot better and he said its very old and its very weird that I use so old filesystem.
I'm now trying to get ...
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1answer
938 views
In simple terms, how do ext4 journaling file systems work?
How does a journaling file system work and why does it not fragment, like ntfs? Why hasn't Windows switched over to a journaling file system? Co.uld someone please explain this to me? Thanks.
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1answer
800 views
What's the maximum filename length in encrypted ext4 partition?
I'm using a two-partition setup with ubuntu (one partition for the system, one for my home directories). Until now I had an ext3 formatted home partition, which I'm currently trying to migrate to an ...
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2answers
7k views
How can I check if a particular partition ext4 is journaled?
I need to know this because of this:
Add the data=writeback mounting option if you formatted the disk without journaling. Otherwise add data=ordered which sould be a good compromise between full ...
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4answers
661 views
Ext4 disk partitions are not visible
I'm a new user of the Linux environment. I have just have installed Ubuntu 11.10 on my system and I'm unable to see the disk partition in which I have installed the OS.
Size of the main disk is 100 ...
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Should I use btrfs or Ext4 for my SSD?
Should I use btrfs (with discard, compress=lzo and space_cache options) or Ext4 (with discard option) for the SSD for my Ubuntu 11.10 (Oneiric) amd64 desktop root partition of my office machine?
...
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1answer
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Ext4 volume as File on NTFS volume
I was running out of space on my ext3 root volume , so I created a Ext4 Volume as a file and saved it on a NTFS partition. Then made this ext4 vol as a permanent mount.
Purpose was to have all the ...
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2answers
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Is it possible to install Ubuntu 10.04 on ext3 instead of ext4?
Is it possible to install Ubuntu 10.04 on ext3 instead of ext4?
This is because I want to use my backup program "Acronis" to save an image of the whole partition.
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1answer
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SSD + TRIM + ext4 OK. What about LVM and RAID?
I've read that SSD TRIM is now supported in the recent kernels with ext4 too (see How to enable TRIM? ).
Is it OK/safe to enable TRIM when having
a) LVM
b) RAID1+LVM?
Thanks!
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1answer
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mke2fs writes 2.4 GiB to disk
Using the Ubuntu 11.10 64-bit Desktop LiveCD, I created a 149.04 GiB partition using gdisk on an unpartitioned SSD. I opened gparted to notice that nothing has been written to the new partition. Then ...
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2answers
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What are these files like Zone.Identifier:$DATA and how to prevent them?
I have an ext4 drive which is available to my windows XP VirtualBox as a shared folder. When working with files across ubuntu and windows I sometimes see these autogenerated files with ...
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2answers
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backup drive: ext4 / FAT?
if I'm backing up to an external drive, is there any reason to not use FAT other then FAT's file size/naming issues? It would be nice to be able to access the content on windows/mac but i'm not sure ...
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2answers
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What is the default file system?
I am presuming that at this late stage in development, the default file system of 11.10 will not change from now until final release. Will it be ext4, and if/when it changes, how will systems on the ...
