ext3, or third extended filesystem, is a journaled file system that is commonly used by the Linux kernel. It is the default file system for many popular Linux distributions.

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How can I mount a single RAID 1 disk/partition as ext3?

I need to copy data from a single HD, which used to be part of a Linux RAID 1. I've googled around, but can't find any clue how to mount partitions from this single HD. Background: The HD comes from ...
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5answers
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How can a linux disk be full, but files total to significanly less?

df reports 16G partition at 100%. du on root reports about 1G in files. Where did all my disk space go?
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8answers
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Why does “ls -a” hide some existing directory from the root user?

Today I found something really interesting (at least to me) on one of our test servers: I can change into an existing directory from my actual working directory using a relative path, but that very ...
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5answers
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Stuck choosing between ext4 and ext3 for the file system

I was in the process of installing Ubuntu 11.10, but got stuck choosing which file system to use. ext3 and ext4; which is better for a personal desktop? If ext4 is better, will it work well on my ...
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Does shrinking a partition to its minimum size then expanding it increase performance?

As a VPS administrator, I've shrunken and cloned partitions (or disk images) to perform backups. The shrinking of the partition adds a few extra minutes of downtime, but reduces the amount of total ...
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Is there a way to restore previous file tree structure?

I lost a large portion of files on an ext partition, that is in mirrored RAID. It looks like half of data is wiped out. The files are missing and space is reported as free. The contents of lost+found ...
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1answer
30 views

How many actual files were you able to store in a CentOS folder?

I found many questions about the total files limitations of the CentOS file-system, but I was curios in actual real-world situation, how many files people were able to store in one single CentOS ...
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2answers
1k views

Upgrade root (also boot) filesystem from ext3 to ext4 on Debian

After upgrading a Debian system from 5.0 to 6.0 (Lenny to Sqeeze), how do I go about upgrading the root filesystem (which in this case is also boot) from ext3 to ext4?
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3answers
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Accessing a Linux ext3 partition from Windows 7 x64

I checked the couple other questions on this topic, but the solutions provided are not working in my setup. EDIT Just found out tonight the partition I thought was ext3 is actually ReiserFS The ...
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3answers
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Moving 2TB (10 mil files + dirs), what's my bottleneck?

Background I ran out of space on /home/data and need to transfer /home/data/repo to /home/data2. /home/data/repo contains 1M dirs, each of which contain 11 dirs and 10 files. It totals 2TB. ...
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5answers
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Perform bad blocks scan on root partition in Linux

My root partition is formatted as ext3 and I would like to perform a bad blocks scan on it. Normally e2fsck -c -c does this, but you can not run it on a mounted partition. I know it is possible to ...
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72 views

Why is there a lot of CPU usage on mostly IO operation?

I have a process writing binary files into ext3 filesystem. I would assume that this should be a pretty easy process on CPU, but I see 45% system CPU utilization. It's a 40-cores 80-threads server, ...
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ext3 multi process write fragmentation

If multiple processes write to large files on an ext3 filesystem, like cping simultaneous, will the written files be interspersed in small blocks, or does ext3 handle the situation in a better way?
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How much data needs to be written to format a drive for ext3 / ext4?

If formatting a hard disk with mkfs.ext3 or mkfs.ext4, how many mb's will be written per mb space formatted?
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2answers
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How can I get access to EXT2, EX3 and EXT4 partitions on Windows 7?

I tried all programs recommended to mount Linux partitions like EXT2 or EXT3 or even EXT4 but no one can do well on Windows 7 32 bit. I want to access read-write, is there a program that can do this? ...
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1answer
45 views

Best way to access ext partion in windows?

What is the most stable and easiest way to get readable access of linux partitions in windows? All software and drivers I´ve found seem to have been dead/inactive for at least 4 years. Native ...
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1answer
830 views

After deleting lots of large files, free space increases with a large delay

Yesterday, I have deleted 71 GB of files on my home/media server. Free Space before: 117 GB Free space after: 126 GB So, instead of having 71 GB of additional free space, I only had 9 GB. I have ...
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1answer
297 views

Network Error : Windows Cannot access on Ext2Fsd ext3 drive

Unable to execute exe files from ext3 drive form Windows7 64 bit giving error :Network Error : Windows Cannot access Error code :0x800704b3 PS: Creating editing copying everything else works ...
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1answer
64 views

Accesing EXT3 partition form WIN XP

I have WIN XP partition on my PC. It is used from time to time, but I need access to one particular EXT3 formatted Linux filesystem in read/write mode. Sourceforge offers Ext2Fsd. Nice, but it works ...
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1answer
75 views

ext3 vs ext4 bonnie++ rand/seq create speed

I am testing the difference between ext3 and ext4 for our application. When I run both filesystems through a bonnie++ test, the results for file creation on ext4 aren't very good. While ext3 can ...
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1answer
112 views

NAS Drive Not Correctly Reporting Files, Directories from a DOS/Command prompt in WIN7

I have an NAS drive on my network, and it works just fine. I can access every file on it with WIN7. However, when I go to a command prompt and perform a directory command, the command reports 0 ...
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1answer
3k views

How to mount Ext3 drive in Cygwin?

I want to mount and fully operate an Ext3-formatted USB drive in Cygwin under Windows XP. How can I do this?
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3answers
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Should I use VFAT or ext3 for a 1Tb external usb hard drive?

I have a 1 Tb USB external hard drive which I want to use to backup data from my home and office desktops (both running Linux). Should I format the drive (possibly split into a few partitions) as vfat ...
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1answer
475 views

Cannot format local loopback filesystem

I'm trying to make a 40GB ext3 local loopback file system. This loopback filesystem is stored on my NAS which is mounted on a Ubuntu Precise 12.04 x64 machine using NFS. The machine has both read and ...
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2answers
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Does ext3 fragment when run at near-full capacity?

I know that one of the main drawing points for ex3 and other journaling filesystems is that they do not fragment like NTFS and such. I once heard someone say that ext3 actually would fragment when ...
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1answer
671 views

Why my external drive turned in read only mode?

I have this HDD (quite new, 4 months old) which I formatted to ext3 (my router supports ext3, not ext4) and I started copying all my data from an older drive on it (1TB data). After a bit (a lot of ...
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1answer
722 views

Reverse lookup of inode/file from offset in raw device on linux and ext3/4?

In linux, given an offset into a raw disk device, is it possible to map back to an partition + inode? For example, suppose I know that string "xyz" is contained at byte offset 1000000 on /dev/sda: ...
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3answers
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How to read external USB hard drive formatted ext3 from Windows 7?

I had to format a USB hard drive to ext3 to use it with a Linksys nas box. Now I can't read the hd when I unplug it from the nas and plug it directly into my Windows 7 computer. (The computer ...
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1answer
2k views

accidental fsck on mounted

I accidently run "fsck" on a mounted partition which was my only parttion. Now I can't boot. It was Fedora 13, filesystem should be ext3. I have booted from usb with ubuntu 11.10.I found that ...
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2answers
294 views

Linux: Should off-site backups be stored in ext3 or ext4?

We have been using ext3 for Linux server off-site backups. With everything else on CentOS 6 being ext4, I'm wondering if it would be a better idea to also have the off-site backups in ext4 too? The ...
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2answers
3k views

How can I format an SD card with a more robust Linux-usable filesystem with a specific cluster size for better write performace?

Goal: microSD card formatted... for best write performance for use only with embedded Linux for better reliability (random power failures may occur) using an 64kB cluster size I'm using an 8GB ...
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Is it possible to convert an ntfs partition to ext3?

Is it possible to convert an ntfs partition to ext3?
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567 views

How to format a disk in ext3 file system with a Block size greater than 4096

I want to format a disk in ext3 file system with the block size as 4096. Is there any possibility to do so? What if we do not write Inode Bitmap while formatting?
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I have an ext3 iso disk image. Can I use it and write it to a ext4 partition?

Is it possible to do so ? I am migrating to EXT4 because of the SSD drive that has TRIM funtion. I have to have ext4 partion.
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2answers
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ext3 partition randomly mounts read-only

The /var partition randomly mounts read-only, when I reboot it mounts as rw again. OS: CentOS 5.4 partition: /var, size: 80G the /var is for web logs and MySQL data file.
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1answer
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Changing max inode count number in ext3 filesystem in Cent OS

Assuming that I use ext3 filesystem in Cent OS: Can I increase the number of Free Inodes in the filesystem? If Yes how? When I run tune2fs -l /dev/sda1 it got these inodes statistics: Filesystem ...
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2answers
584 views

Files have disappeared on my ext3 external hard drive

Yesterday, my external hard drive was working fine. Now, only the boot partition is accessible whilst the main partition with all my files on it is coming up as a raw, empty drive. I had taken it to ...
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2answers
145 views

Is a disk defragmentation needed in this case?

I'm running Debian 6.0.5 (squeeze) with ext3 as the filesystem. I'v read that ext3 does not require defrag, but I was recently trying out some torrent clients and they all came with the allocate disk ...
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1answer
936 views

How to convert ext3 partition to use encrypted file system without losing data?

My embedded Linux device have 2 partitions: small root partition containing OS big data partition which uses ext3 I want to encrypt the data partition by using an encrypted file system. I don't ...
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Free filesystem drivers for ext3 on OS X Leopard

I have an external drive that holds an ext3 partition, which is shared on the network via NFS. Problem is, I can't see this drive on my MacBook after I mount this via Directory Utility. Does anyone ...
0
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1answer
61 views

VirtualBox - Disparity between host system hard drive and VDI

I was working on a VirtualBox (4.2.4) VM (Debian Linux 64 bit, using ext3 filesystem, host drive is NTFS) and had a BSOD on the host system while the guest was operating normally. I had changed a ...
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2answers
254 views

restore dd image to another usb stick failed

I'm trying to create a dd image which contains two partition. The first is a ext3,(19MB) the 2nd is fat32.(16MB) I use one 512M usb stick to create image. And use dd if=/dev/sdc of=image.dd bs=1M ...
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1answer
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formatting ext3 to fat32/ntfs on windows 7

In a failed attempt to install Linux Mint on an external hard drive, I damaged the disk. Now, it does not show up in the 'My Computer' folder or in Disk Management. I speculate it might have to do ...
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976 views

Which file system is the fastest? [closed]

I'm looking to format my hard drive. I've heard about a file system called "ext3", it's supposedly a linux partition and I think is a lot faster than NTFS. But my question, is, is there anything ...
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1answer
172 views

Lost files on ext3 external drive

I have a 500Gb portable HDD that I formatted with ext3 to use with an NAS. Yesterday I was reorganizing the thing and dragged a folder with all my old photos, a few videos, old documents, etc. to a ...
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577 views

change owner/uid of mount point upon mount

The scenario is like this. Bob has a computer. It crashed. Now he only has the hdd. The hdd is in ext3 format. He go to his office and told the sys admin John to mount this hdd and put the mount point ...
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1answer
58 views

find amin to retrieve executed php files by apache

So I have a massive legacy app that consists of half a million php files. For a single request, I would like to know which php files are used by apache to respond. I can look at the apache logs, they ...
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2answers
346 views

Unable to mount 2nd 500 Gb USB hard drive

I have two Seagate 500 GB USB hard drives. I installed Debian 2.6.32-5-686 on one of them, and used dd to create a clone of the bootable drive. I have verified that I can boot and run from either ...
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1answer
1k views

file-name encoding problems

I googled over this topic but couldn't find what I was looking for... the following "happend" to me: I had my files stored on a NTFS-USB Harddisk, because of space problems I moved them to an ext3 ...
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1answer
266 views

How to mount Ext3 on Windows Vista

I had a Ubuntu12 on my PC but due to performance issue I turned back to Windows Vista ; Unfortunately I found that my other volume of 70Gb is not mounted because it's a Ext3 type and of course windows ...