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Questions tagged [ext3]

ext3 is the default file system for many Linux distributions.

ext3 offers many features as a file system - journaling as well as very efficient directory indices.

283 questions
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Linux filesystem of VM becomes crash or read-only at Citrix XenServer

I read some answers related to this problems. Will the OS crash if the system partition can't be access for a short period? But I cannot solve this problem. When using ISCSI as Storage Repository at XenServer and DomU (VM) is in heavy disk I/O, If…
sw Han
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Disabling journal on a mounted ext3

I'm shredding files on large ext3 file systems (e.g. see this article for how I do this). In order to achieve this I need to mount the ext3 file systems without journaling. To most of them I get by with just unmounting them and re-mounting them as…
Amos Shapira
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Speeding up creation of large ext3 filesystem on CentOS 5

We are creating a large backup ext3 partition on 16TB RAID array and the mke2fs took 2.5 hours to complete. Are there any known tricks we can use to shorten this time? The aim is to lower the time to get us back on our feet if a disaster strikes and…
Amos Shapira
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Filesystem for an external drive that'll only connect to Linux

I just bought a new 500GB external harddrive. Most of the time I only store operating system ISO's on those things and some movies. Large files anyway, well over 4GiB sometimes, so FAT is out of the question. So, I'm left wondering. My old external…
wzzrd
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How to recover this Linux partition?

I have this netbook, where the partition table looks like this ~$ fdisk netbook.dd Warning: invalid flag 0x0000 of partition table 5 will be corrected by w(rite) Command (m for help): p Disk netbook.dd: 320.1 GB, 320072933376 bytes 255 heads, 63…
Sandra
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How to determine how many times an ext3 file system has been mounted

A few months ago I created an ext3 file system on one of my partitions. I received the following message: "mkfs.ext3 /dev/sddx; system will be checked every 20 mounts or 180 days; use tune2fs -c or -i to override". How can I determine how many…
HBlend
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How to recover deleted files on ext3 fs

I have a drive which was using the ext3 filesystem. I am told that about 10Gb of data was deleted off the drive (probably via rm). The drive is currently mounted as read-only to preserve all data. Does anyone know of a method to restore some or…
Mike
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Testing for disk write

I'm writing an application for storing lots of images (size <5MB) on an ext3 filesystem, this is what I have for now. After some searching here on serverfault I have decided for a structure of directories like…
Alberto Zaccagni
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Immutable hard links on ext3/4?

In my research on file versioning at the fs level, snapshotting, and related ideas, I took a look at hard-links and exactly what they are and how they behave. Using rsync you can get a pretty slick poor man's snapshotting system up and running on…
Dale Forester
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Trying to grok Linux quotas, where is the data stored?

So all the tutorials and documentation for the Linux quota system has left me confused. For each filesystem with quotas enabled/on where is the actual quota information stored? Is it filesystem metadata or is it in a file? Say user foo creates a new…
CarpeNoctem
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How to check that all paths/files on a volume conform to EXT3, FAT32, and HFS+

I have a volume with files on it that will need to be copied between Mac, Linux, and Windows machines. I want to ensure that there are no surprises with: file size filename length filename character set number of nested directories Am I correct to…
username
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Accidentally overwrote first 400MB of hard drive with ext3 partition - possible to rescue?

Accidentally wrote /dev/zero to the first 371MB of a 500GB disk. Is it possible to rebuild the partition table and/or recover what data hasn't been overwritten?
wg
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RedHat server not booting: "The superblock could not be read"

After restarting a RedHat server, it fails to boot into the operating system. It says "an error occurred during the file system check". After doing a fsck, it says The superblock could not be read or does not describe a correct ext2…
Olumide Alabi
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How to get DRBD to automatically start after reboot, mount volume, start service, and configure primary/secondary

I have a great working version of DRBD across two Debian Stretch servers which I created by following this awesome guide: https://www.howtoforge.com/setting-up-network-raid1-with-drbd-on-debian-squeeze-p2/ But after each reboot I have to redo a…
Eugene van der Merwe
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Debian Lenny - SAN - LVM Fail

I've got a Lenny server that has got a SAN connection configured as the only PV for a VG named 'datavg'. Yesterday, I've updated the box with Debian patches and gave it a reboot. After the reboot, it didn't boot up saying that it couldnt find…
Ger Apeldoorn
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