0
votes
1answer
34 views

Is there anything that ext4. btrfs, or F2FS can do for a usb3.0 thumb drive that fat does not do? [on hold]

I don't particularly care about cross platform. I have a thumb drive, and what to know if there is anything to gain from formatting it to ext4, btrfs, or f2fs. Thanks
2
votes
2answers
65 views

why is ext3 being used as disk format for most of linux and ubuntu and not other file systems [closed]

Can anyone explain why is ext4, ext3 or ext2 disk formats that have been used in Ubuntu as default and not others. Are there any advantages or disadvantages over other? If so, what?
2
votes
1answer
139 views

Why is btrfs slower than ext4, and why would I want to use it in an ubuntu install? [closed]

At this time (August 2014); having been following the benchmarks for btrfs on Phoronix,(http://www.phoronix.com/scan.php?page=home) and have been seeing on the aggregate; slower performance than ext4; ...
1
vote
1answer
304 views

Ext4 larger than 16TB is stable for production systems? [closed]

Ext4 seems to have had a size limit of 16TB due to e2fsprogs. But e2fsprogs 1.42 release says it supports filesystem larger than 16TB. So, Ubuntu 12.04's current e2fsprogs' version is 1.42, and I ...
0
votes
0answers
22 views

Got a corrupt BTRFS partition, but is still usable, how to convert it to ext4? [duplicate]

I've got a corrupt btrfs partition, and also because of its low speed, I am thinking of 'converting' it to ext4, how can I convert a root partition from btrfs to ext4 without loosing the ability to ...
1
vote
0answers
180 views

Ubuntu 12.04 ext4-fs error/inode

I am running a Dell PowerEdge T420 with Ubuntu 12.04 32bit. The hard drives are a RAID1 setup. Last week, I began getting errors that cause the build I am running to fail. I found this in the log ...
0
votes
0answers
89 views

Ubuntu 12.04.4 ext4 filesystem, excessive overhead

I'm experiencing a baffling problem with two 12.04.4 servers I've just installed - there is what appears to be excessive file system overhead for anything I save on its folders; for example, a single ...
0
votes
0answers
38 views

wrong file system type passed to fsck

My Ubuntu hanged today while it was downloading, as it was unresponsive for long i shut it down forcefully . Later when i switched it on, it was not coming up so i used a live cd to fix the file ...
0
votes
1answer
639 views

Value too large for defined data type

I need to burn a ISO (3.3GB in size) using Brasero using my Ubuntu machine, however when I try to do it which the ISO is saved in my Portable USB Drive with NTFS file system, Ubuntu 64-bit says: ...
0
votes
0answers
26 views

How a tmp folder set on a mounted folder from another ntfs drive does can report free space from that drive to Audacity?

I have set the tmp folder for Audacity on a mounted folder from a target ntfs drive. But I've seen that Audacity does not see the free space from that ntfs drive but instead the free space from the ...
0
votes
2answers
7k views

Recover from a corrupted filesystem when fsck do not help

Something went wrong with my filesystem, Ubuntu set it to read-only and now under Ubuntu Live Disc, fsck can't fix it. I'm running 13.04 and it won't boot - at startup, it just shows the grub rescue ...
0
votes
1answer
314 views

Use IOzone to check read/write performance of ext4 and btrfs?

Can someone help me to use IOzone filesystem benchmark tool on Ubuntu to check the performance of ext4 and btrfs filesystems? I have installed Ubuntu into a VM.
0
votes
1answer
363 views

How to mount EXT4 drives from another system

I had a testbed 13.04 server which had a boot volume partitioned into three, root, swap and Workspace as well as two other drives running in raid 1. The Workspace and raid volumes were setup using LVM ...
0
votes
2answers
1k views

Trying to mount backup of /dev/sda as ext4 for recovery, fdisk reports invalid partition table

I used dd if=/dev/sda of=~/backup.img where /dev/sda was an ext4 filesystem. I want to perform recovery on it which means I need to mount it as ext4 filesystem using extundelete application. Can ...
1
vote
1answer
2k views

EXT4 Filesystem seems to have disappeared

I previously had an LVM consisting of a few different drives, including two 4TB Seagate USB's. I migrated my data off the drives. Copy -> Shrink -> Copy -> Shrink Once the drive was removed I ...
1
vote
1answer
76 views

Does the length of a filename change the amount of space it takes up?

Using a ext3 or ext4 file system, assuming that the files have similar checksums, would the following files: 8c87dba9cf4dbc27c0d54083311ffeef6821e8426f5a8d50165d84f5eef80103.npz 1.npz Take up a ...
0
votes
1answer
244 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 ...
18
votes
1answer
8k 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 ...
1
vote
1answer
73 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
2answers
183 views

How can I install Ubuntu in such a way that files are readable by both Ubuntu and Windows?

I am installing Ubuntu alongside Windows, choosing the dual-boot option. I do not want to do a Wubi installation. I want a full fledged installation. I want to share files between Windows and Ubuntu. ...
2
votes
1answer
1k views

I need to convert ext2 filesystem to ext4 to prevent fsck every time I boot?

Installed Ubuntu 12.10 alongside manufacturer-installed Win 8 with no problems. Was "clever" enough to install as ext2 filesystem, which has resulted in the inconvenience of fsck making the usual ...
5
votes
1answer
5k views

Default file system on ubuntu 12.10

Why does ubuntu 12.10 default to ext2 file system? Is ext4 not stable enough?
7
votes
2answers
5k views

How to convert ext2 to ext4?

I installed Ubuntu 12.10, and I don't know why, I have an ext2 partition. How can I convert this ext2 file system to an ext4? Will I lose all my data?
3
votes
1answer
5k views

Repair ext4 filesystem on USB drive [closed]

Yet another filesystem question. I wanted to use a USB drive that I hadn't mounted for a month or so and was surprised by the fact Ubuntu was unable to mount it. I looked it up in the disk utility and ...
6
votes
3answers
2k views

Why do I get more free space than ext4 after formatting in XFS?

I've bought a 1TB external hard drive and after formatting the entire drive in ext4 Nautilus says there are 934.3 GB of free space. I've also tested formatting the drive in XFS, and in this case ...
1
vote
2answers
918 views

Optimizing EXT4 performance

I'm using my machine to build stuff a lot and there's a specific directory that gets used very often. I've got 8GB of RAM, which is helpful for the build, but is far from enough to cache the whole ...
2
votes
6answers
12k 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?
6
votes
2answers
8k 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 ...
2
votes
1answer
647 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 ...
1
vote
1answer
804 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" ("/") ...
0
votes
2answers
599 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 ...
7
votes
4answers
2k views

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 ...
1
vote
1answer
2k 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.
0
votes
1answer
132 views

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 ...
2
votes
2answers
2k views

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 ...
9
votes
4answers
2k views

NTFS -> EXT4 migration, where did 120 GB go?

wim@wim-ubuntu:~/Desktop$ mount | grep media /dev/sdc1 on /media/data type ext4 (rw,nosuid,nodev,uhelper=udisks) /dev/sdb1 on /media/wd type fuseblk ...
13
votes
3answers
21k 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 ...
5
votes
2answers
580 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 ...
8
votes
2answers
6k views

How do I create an encrypted file system inside a file?

Recently i've found this interesting tutorial: http://flossstuff.wordpress.com/2011/08/07/using-a-file-as-a-storage-device/ It explains how to create an empty file, format it as ext4, and mount it ...
1
vote
1answer
173 views

ubuntu partitioner [duplicate]

Possible Duplicate: Is gparted a good tool for resizing an NTFS partition? I have a backtrack 5 distribution which is based on ubuntu. During the instalation it somehow managed to create a ...
4
votes
2answers
2k views

What differences do I need to know choosing between ext4 and NTFS (Performance etc)

I understand that ext4 if faster than NTFS. But whats the speed difference if its like < 20MB/s, perhaps its better to use NTFS for convinence? What are the other implications of this apart from ...
3
votes
2answers
6k views

df reports an ext4 partition is full, but there is no data

I recently received a warning, that my home-partition is full. It is an Ext4-Partition mounted on /home, /dev/sda is a 240 GB SSD: hannes@XFLR6 ~> df -h Filesystem Size Used Avail Use% ...
6
votes
3answers
9k views

ext4 partition size / free space discrepancies

While creating a 250GiB backup partition for my data, I have noticed lots of discrepancies between reported partition size and free space in Nautilus, gParted, df, tune2fs, etc. At first I thought it ...
3
votes
2answers
553 views

Why is there a size discrepancy when copying from HFS+ to Ext4?

I'm copying over a bunch of files from an HFS+ volume to my Ext4 Ubuntu file system. They're all movie files. When I copy one over, it nearly always gets 4K larger. The copied file is exactly 4,096 ...
4
votes
1answer
1k views

How does Ubuntu handle file-system fragmentation? [duplicate]

Possible Duplicate: Why is defragmentation unnecessary? This could be for any file system but EXT4 works. Does Ubuntu need to be defragged like windows. Does it do this on its own.
6
votes
2answers
8k views

How can I convert my root partition from BTRFS to EXT4?

Is it possible to convert btrfs to ext4 without losing data? I'm experiencing a very low speed on read/write operations on btrfs.
3
votes
1answer
1k views

Is there a file system best suited for a torrent partition?

Following on from an excellent answer provided by user Gilles, I'd like to ask whether there's a file system particularly well-suited for fairly heavy torrent use. Soon I'll be setting up an Ubuntu ...
6
votes
2answers
3k views

How can I optimise ext4 for reliability?

As ext4 was introduced as more reliable than ext3 with block journals, is there any chance to suppose it 100% reliable? What if enabling block journaling on it, which is disabled by default? As ...
5
votes
2answers
3k views

What's wrong with my ext4 partition?

What is wrong with this picture? Top is output from "df -h", bottom is gparted. I suspect I'm missing a lot of free space. No problems other than that (yet). Can somebody suggest the best ...
6
votes
4answers
2k views

Drive reporting incorrect free space

So I swapped my shiny SATA SSD for an even shinier PCI-E SSD. I run my core OS on the SSD because it's silly-fast. I did this on my old SSD so I created a new EXT4 partition and then just dded the ...