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.
Questions tagged [ext3]
282 questions
2
votes
1 answer
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
- 21
- 2
2
votes
3 answers
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
- 435
- 5
- 9
- 21
2
votes
1 answer
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
- 565
- 3
- 10
2
votes
1 answer
Filesystem has unsupported features: older fsck.ext3 vs newer mkfs.ext3
For an embedded system I create a filesystem with mkfs.ext3 on a desktop computer. Currently I'm evaluating newer distros for the desktop while the embedded stays the same. When checking the filsystem created with the new distro on the embedded…
Chris
- 225
- 1
- 3
- 8
2
votes
2 answers
Change EXT3 stride and stripe-width settings post-install on CentOS 5.3
Is there a way to change the stride and stripe-width options on an ext3 file system under CentOS/RHEL 5.3? There's no way to specify it via anaconda during installation that I saw, and while I see the -E option to tune2fs available under Ubuntu, I…
Justin Ellison
- 718
- 5
- 9
2
votes
2 answers
Why should I switch to ext4 when upgrading to Ubuntu 9.10?
I'm going to upgrade from Ubuntu 9.04 to Ubuntu 9.10 in a near future and wanted to know if I should migrate my existing ext3 partitions to ext4 during the process and, if yes, why?
Pascal Thivent
- 1,505
- 14
- 11
2
votes
1 answer
Xen virtual host is probably FSCKing - how do I verify?
I have a Xen virtual machine that has been running for over a year under a decent load. I restarted it this morning, and it's been several hours booting. I think it's FSCKing itself. xm list shows that's it's using a lot of cpu. I can't xm console…
Daniel Von Fange
- 123
- 2
2
votes
1 answer
Linux ext3 Directory index full - internals
Encountered a situation today on a server that has me wondering. Here's the scenario:
Syslog shows:
kernel: EXT3-fs warning (device sdb2): ext3_dx_add_entry: Directory index full!
Found the culprit to be a directory with 9.1 million files in it. I…
Stefan
- 21
- 3
2
votes
1 answer
Why does /sys/fs/ext4/vda1 exist when /dev/vda1 is ext3?
I'm trying to tune my filesystem for some operations I have to do involving huge numbers of files. Then I got confused about what FS I'm even using.
tune2fs -l /dev/vda1 contains:
Filesystem magic number: 0xEF53
So that means it's either ext2,…
Hut8
- 173
- 1
- 5
2
votes
2 answers
ext3 file system failures after RAM upgrade
I have just added 2GB of RAM into my laptop and started getting problems with ext3 file system. I have tested the actual memory modules with MemTest86+, and they were fine.
This issue also happens when I add other 2GB module (different…
Art
- 297
- 4
- 12
2
votes
1 answer
Resizing Partitions on Live RHEL/cPanel Server
I've resized many partitions over the years on Linux, Windows and Mac OS X -- but always using a GUI. However, the time has come where the preset partition sizes my data center placed on my server aren't the right sizes and I need to resize a…
Timothy R. Butler
- 703
- 2
- 11
- 22
2
votes
1 answer
how to tell if a directory on ext3 is indexed already?
It's often recommended to enable dir_index option on ext3 filesystems e.g. with
sudo tune2fs -O dir_index /dev/dm-1
However, existing directories on that filesystem are not converted to indexed format automatically.
Is there any way to tell if…
ash108
- 276
- 1
- 5
2
votes
6 answers
Linux Filesystem
recently we have a failure in our storage, we need to fsck. The storage is about 1.2 Tera, and it took us more than 5 hours.
Is there an alternative solution for the ext3 filesystem, or one that is better than ext3?
Suggestions with pro and cons…
Abi Aqil
- 53
- 1
- 5
2
votes
1 answer
ext4: Online resize not detected
On a RedHat 6 server, we ran into an issue with online resizing of an ext4 filesystem.
With only /dev/sda we had 13GB available in the volume group, but needed 20GB more on one logical volume which was 36GB. Added /dev/sdb to the volume group, and…
sastorsl
- 362
- 2
- 15
2
votes
1 answer
Replacement raid1 drive is one block smaller. What to do?
Apparently once should always leave a bit of empty space at the end of each raid1 partition.
But if we're too late for that, what can be done if a replacement RAID1 drive is slightly smaller than the surviving drive?
Can the array be resized to be…
Bryce
- 561
- 5
- 13