1
vote
1answer
64 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, ...
0
votes
1answer
31 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 ...
0
votes
1answer
51 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 ...
0
votes
2answers
259 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 ...
1
vote
2answers
113 views

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.
2
votes
1answer
6k views

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 ...
4
votes
1answer
868 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 ...
1
vote
1answer
534 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: ...
1
vote
1answer
102 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 ...
-1
votes
1answer
471 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 ...
0
votes
1answer
80 views

Dealing with different usernames when mounting removable media in Linux

I have a laptop in which my username is, say, "foo". I have an external drive, formatted with Ext4, for which all files are owned by "foo" (at a filesystem level). Now, I have a desktop in which my ...
2
votes
2answers
1k views

How to copy the files from my Linux-formatted external drive to Windows?

My Linux machine crashed, but all the files are backed up on a USB-based external drive. Problem is, it's an ext2 file system, so my other machine, which is a Windows XP machine, cannot read it (it ...
1
vote
0answers
143 views

Lost file mode information on ext3 directory hierarchy

An entire directory hierarchy of mine lost its file mode info. E.g., ed@bob:~/dev$ ls -l nir.git/ ls: cannot access nir.git/test: Permission denied ls: cannot access nir.git/log: Permission denied ...
0
votes
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 ...
2
votes
3answers
1k views

Is there a way for cygwin to access a Linux (ext3) partition?

I'd like to be able to access a Linux partition through cygwin on Windows. My purpose is to backup data from a Linux server to my home computer running Windows 7. Right now it mostly works, except ...
0
votes
1answer
157 views

Hard drive size 'loss' using EXT3 Filesystem

We have an Ubuntu backup server with removeable hard drives in caddys. They are standard IDE/PATA, it came to light that although the drives in the caddys are 160GB in size they where only ...
2
votes
1answer
2k views

How to extend a Linux ext3 partition?

I have the following partitions on my HDD: I want to extend my Linux partition /dev/sda6 with the unallocated space of ~1GB above it. But when I right click on this partition the option to ...
3
votes
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 ...
5
votes
2answers
9k views

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? ...
0
votes
0answers
621 views

Fsck says read block too short

Yesterday I left my Ubuntu laptop alone for a bit, and the power cable got knocked out, so the computer got shut down. Upon starting it up, it insisted on running fsck, which failed, asking me to run ...
2
votes
1answer
816 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 ...
3
votes
3answers
3k views

Linux - how to format multiple file systems within one file?

I need to create a disk image with two empty file systems. I have created it using dd if=/dev/zero of=./disk.img bs=1MiB count=1024 Next, I have created 2 primary partitions using fdisk disk.img; ...
0
votes
1answer
1k views

How can I mount ext3 with restricted permissions, like setting uid, gid and umask?

I want to mount an ext3 filesystem on a device with uid, gid, umask options set. When I use these options during mount, I get an error. Below is the command I am using to mount: mount -t ext3 -o ...
1
vote
1answer
453 views

Shrink EXT3 and Expand NTFS

I have a partition table that looks like this: [root@tower ~]# fdisk /dev/sda WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and ...
2
votes
2answers
867 views

Calculate minimum ext3 partition size for certain amount of data

These following ext3 partitions contain identical data. As we can see, the larger the partition size, the more space is required for the same files: Filesystem 1K-blocks Used Available ...
7
votes
5answers
8k views

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 ...
2
votes
1answer
9k views

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 ...
2
votes
1answer
461 views

Is UDF an ok substitute for ext3?

I'm thinking of doing the UDF thing to share files between windows and linux. Is UDF a viable option for /home Is UDF a viable option for / Can windows XP correctly read sparse files I created in ...
5
votes
1answer
715 views

Disk fragmentation on Linux

Do I have to de-fragment my ext3 and FAT32 filesystems on Linux? And if yes how?
6
votes
2answers
3k views

View bad blocks on mounted ext2/ext3/ext4 filesystem

I've ran fsck -c on the (unmounted) partition in question a while ago. The process was unattended and results were not stored anywhere (except the bad block inode). Now I'd like to get bad block ...
1
vote
5answers
4k views

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 ...
2
votes
1answer
2k views

linux df and OSError: [Errno 28] No space left on device

I've got a weird inconsistency (although I'm probably just missing something quite basic). While running some script that generates small files on my I disk, I constantly get this error: OSError: ...
1
vote
2answers
2k views

Determining if Linux partition is ext2 or ext3 without /etc/fstab info

How do I determine if a partition is ext2 or ext3 if I no longer have a copy of /etc/fstab ? Here is what I get out of dumpe2fs. I suspect that there is some info here that is relevant. I am guessing ...
0
votes
2answers
2k views

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.
2
votes
8answers
1k views

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 ...
0
votes
2answers
229 views

Should external drives be converted to ext3?

I switched over from Windows to Linux. I have an external drive that has basically just media files on it. Are there any advantages to converting this to ext3, or should I just leave it as ntfs3?
0
votes
1answer
1k views

Debian: Unable to mount a second drive as a subdirectory inside of another partition

I have the following /etc/fstab: # /etc/fstab: static file system information. # # <file system> <mount point> <type> <options> <dump> ...
0
votes
1answer
844 views

Read raw HD partition in Linux at a particular offset

I'm trying to recover some files deleted from a Linux ext3 partition. I've grepped the raw partition device (/dev/sda1) using grep -b and it gave me an offset. What's the easiest way for me to read a ...
5
votes
2answers
7k views

How to calculate proper amount of inode/block sizes for a linux filesystem

I have an old reiser filesystem which I'm going to convert to Ext3. The problem I have is to determine the proper block- and inode-sizes for this partition. The partition is 44 GB large and has to ...
1
vote
1answer
605 views

How to set ext3 partition hidden flag?

I have a created an ext3 partition and when i tried to set is hidden flag, there seems no effect. So, how to set the hidden flag of an ext3 partition?
0
votes
0answers
2k views

Proper way to set permissions on an external disk's ext3 partition

I have a new external disk and just made an ext3 partition on it. I'm wondering what's the best way to set permissions on it (so that it's rw for certain users). I guess I could chmod ... /dev/sdb1 ...
1
vote
2answers
1k views

Issue when viewing the super block in ext3 file system

I tried to view the superblock by command "dd" in ext3 file system. dd if=/dev/sda3 bs=4096 skip=1 count=1 of=superblock But the result in superblock file is not correct(I compare the value of ...
0
votes
3answers
117 views

How can I best prepare a 3 drive Windows system for Linux?

I'm planning to migrate a Windows system with 3 NTFS drives to Ubuntu Studio. The primary 80G drive will be primary and ext3, and I have 2 large NTFS drives with media and backups. Is there anything ...
2
votes
1answer
2k views

Fastest way of copy files from ext3 to ntfs

First, sorry for my bad english :/ I'm right now on a Ubuntu Live CD and need to copy 500GB of several big files (videos) on a ext3 filesystem to an NTFS filesystem (its an emergency backup since de ...
0
votes
1answer
704 views

Resizing a partition with gparted resulted in an error, how do I recover the old Linux ext3 partition?

Well, gparted crapped on me, and I was dumb enough to not keep the log file. Basically, I was trying to increase the size of my main (home) linux partition, and in the middle of the gparted operation ...
1
vote
1answer
1k views

Copy directory from ext3 to FAT32 ignoring symlinks, pipes, etc

I'm trying to write a shell script in which I recursively copy a directory to a USB stick. I need the return value of the copy operation for error-checking purposes. I've tried cp -a /var/mydir ...
4
votes
4answers
3k views

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?
5
votes
2answers
1k views

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 ...
4
votes
2answers
2k views

When does Linux do SSD garbage collection?

I'm trying to get an understanding of when my computer does garbage collection and frees up previously used blocks on the SSD. Is this a task handled by the OS or the SSD controller? Does this ...
2
votes
3answers
2k views

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 ...