Questions tagged [ext3]

ext3 is the default file system for many Linux distributions.

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What is the purpose of having a "/" and a "/home" partition in linux?

I'm doing a clean install of CentOS 8 minimal, and by default it suggests these paritions: swap swap 4G /boot ext3 512M / ext4 2014G /home ext4 all (this is with a pair of 4TB NVMe drives in ...
Codemonkey's user avatar
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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 ...
Olumide Alabi's user avatar
1 vote
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How to copy a file using using raw disk blocks?

The underlying raw disk blocks that a file uses can be seen with command filefrag. And in the example below I could use dd to copy all 11 chunks and cat them together to construct an exact copy of ...
S.Haran's user avatar
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Can we add more volumes/disks to an existing mounted ext3/ext4 mountpoint?

Have a quick question on adding space via a new disk/block device to a non-root/ext3 mount-point that has data and is mounted. I Have an ext3 mountpoint '/u01', which has a device '/dev/sdb' attached....
n23n23's user avatar
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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-...
Eugene van der Merwe's user avatar
-1 votes
1 answer
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tune2fs says "clean with errors". What next?

tune2fs says "clean with errors". What next? We rebooted the server, but this did not help. What is not the next most feasible step? This is a production system. I would like to avoid down-times. ...
guettli's user avatar
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DL380 G5, RAID5, ext3, RAID Failed

We have an old HP DL380G5 server, with 5 300GB SCSI 3.5'' disks in a RAID5 array, in an external bay, formatted as a logical volume with ext3 filesystem, that hosts 1.2 TB of sensitive clinical ...
undernaut's user avatar
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Behaviour of ext3 filesystem when it hits %100

We had an unexpected increase on one of our mount points (~40GB) on a old RHEL 4 server (2.6.9-89.0.2 x86_64 kernel). It hit %100 usage ( Size and Used both said 37G, Avail said 0) as per df -h. I ...
jouell's user avatar
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Prevent corruption on ext3 Linux Vms running on Xenserver after Equallogic hung for 45 minutes

I face a problem today with my Storage Equallogic PS4000E, they get stucked for 45 minutes then goes up and running normally, no logs, no nothing to help us discover what happens. Well, I run a ...
Luiz Gustavo's user avatar
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read-only symlinks replaced with file when edited

I'm about to make a copy of a website (templates) Would it be possible to make symlinks, so changes in the original is reflected in the copy, but if I edit the copy, the symlink is replaced with the ...
Lenne's user avatar
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ext3: permissions of the mountpoint change when I mount

I need ordinary users to be able to mount /dev/loop0p1 and /dev/loop0p2 on my machine. /dev/loop0p1 is always going to be a FAT32 partition and loop0p2 - a ext3. To that end, I have: 1) created ...
Leszek's user avatar
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EXT4 filesystem corruption

I have a CentOS 6x server and running a Java application on it, the application is using a mount point /javapp which is an EXT4 filesystem. suddenly I got the following error in the system logs: ...
Zach's user avatar
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Can Btrfs use SSD for metadata and leave bulk data on HDD?

is it possible for Btrfs to use SSD for metadata only & leave bulk data on less costly storage such as HDD? I refered to this page Using_Btrfs_with_Multiple_Devices and can not find a solution. ...
zJay's user avatar
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Having trouble mounting an mdadm array. Corrupted Filesytem?

I have a server that crashed and won't power on. I don't care about the server, but I'd like to recover the data attached to 2 external usb drives that were mirrored (raid 1) using mdadm. This system ...
Parker Johnson's user avatar
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2 answers
55 views

Huge /var/log directory inode in ext3 after creating and removing many files

I have Debian Jessie, /var/log on root partition of type ext3 (rw,relatime,data=ordered). Four days ago logrotate dumped tens of thousands files, this was fixed and files deleted. After this: # du -...
user339171's user avatar
4 votes
1 answer
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ext2 or ext3 without journaling

I've recently came across several servers with different "strategies" for their /boot partition (btw, always as /dev/sda1, 512M) Some servers use ext2 for /boot, some use ext3 for /boot, and for the ...
BlakBat's user avatar
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change file system from ext3 to ext4 effict on MySQL

I have a situation where MySQL was installed in Linux with a ext3 file system. One table (InnoDB) reached the maximum size allowed for ext3 (2 TB) , insert statement gave "The table 'foo' is full". I ...
a hodali's user avatar
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1 answer
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Why hasn't disk usage decreased by 6,728k after hard linking a file away?

Given this sequence of commands… $ pwd /data/backup/rsnapshot $ sudo du -csk daily.{2,3}/ruminant 1195040 daily.2/ruminant 36712 daily.3/ruminant 1231752 total $ ls -isk /data/backup/rsnapshot/...
grifferz's user avatar
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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 ...
Stefan's user avatar
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3 votes
2 answers
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df shows bad information on partition usage

I've tried to deal with this for days now with no luck. In this forum and also in other ones I can see a lot of discussion about this but none of the solutions have worked for me. My current ...
john fish's user avatar
-2 votes
1 answer
254 views

my ext3 to ext4 dont work

my tools on centos 5.11 kernel - 3.2.69 util-linux-ng-2.17 ( mount 2.17 ) e2fsprogs-1.41.14 grub-1.97 this tool and kernel are all working my steps boot on recovery change the fstab (/dev/...
Gabriel Sousa's user avatar
1 vote
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773 views

Why is nfs server not seeing resized filesystem size?

On the NFS server, when I extend the the logical volume (using lvm2) and subsequently the ext4 fs on top of it (using resize2fs), I'm able to see the new size locally with df. But the NFS clients ...
Vij Vijay's user avatar
0 votes
2 answers
889 views

How to delete journal on ext3 network drive

Something happened when I was copying files to a ext3 drive (via network, mounted by samba) and I lost ability to write anything to this HDD. After I used dmesg command it is explained: db: Current: ...
wjk's user avatar
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Logical Volume 100% Use but 50G Appears Free

I am resizing logical volumes on a CentOS server and I have come across an issue where the volumes say that they are 100%, though the "Size" and "Used" columns seem to indicate that there should be ...
jdussault's user avatar
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2 votes
1 answer
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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 ...
Hut8's user avatar
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4 votes
1 answer
160 views

serviceable ext3 partition ruined by fsck

I've got several systems with an ext3 lv / that work just fine until fsck'd — then they are unrecoverably corrupted. What hope do I have of repairing these systems, and, separately, what went wrong? ...
pilcrow's user avatar
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Move an ext3 fs to a larger mdadm array in one step

I have an ext3 fs on an mdadm array of 1TB disks on an openSUSE system, and I want to move the fs to a new array of (the same number of) 3TB disks. I can have the system running with this fs ...
ShadSterling's user avatar
5 votes
1 answer
301 views

Which kjournald process belongs to which filesystem?

I understand that each mounted ext3 filesystem will have a corresponding kjournald process running. One of those processes is using lots of CPU, and I'd like to know which filesystem is responsible. ...
Flup's user avatar
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1 vote
1 answer
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relocate EXT3 quota files

Is it possible to relocate the quota files for one filesystem to a different filesystem (e.g. using a symlink)? Rationale: testing SSD with quota, and I am worried that the constant writing to the ...
Alien Life Form's user avatar
0 votes
1 answer
88 views

Fastest way to remove numerous big files

I have a directory with integration tests temporary files, which has the following structure: TestTemp --- Test01 (~1.5TB) --- Subdirectory01 (~100GB) -- Destination JSON (1-100MB) ...
vladfau's user avatar
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3 votes
3 answers
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How can I modify the wtime of ext filesystem

How can I modify the superblock of an ext filesystem so that I can set the field wtime (Last write time)? I've tried with debugfs: debugfs 1.42.9 (4-Feb-2014) debugfs: open /dev/sdd2 -w debugfs: ...
bat_ventzi's user avatar
4 votes
1 answer
140 views

mv: Out of diskspace but can cp

We have a weird behaviour that we can not move files into a certain directory anymore. We get lstat("NewBatches/R910140805849312.dat", {st_mode=S_IFREG|0644, st_size=2850, ...}) = 0 lstat("Imported/...
Chris's user avatar
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1 vote
1 answer
7k views

EXT3-fs error (device dm-10)

I got this log error below: Aug 1 20:44:01 TDBP24LV kernel: EXT3-fs error (device dm-10): ext3_free_blocks_sb: bit already cleared for block 8159746 Aug 1 20:44:01 TDBP24LV kernel: EXT3-fs error (...
user3863795's user avatar
4 votes
3 answers
6k views

input/output error at clean ext3 partition - how to check what wrong with data block

I have a problem with a file at a ext3 partition on CentOS 5 server (kernel version 2.6.18-164.15.1.el5) with a HP Raid Controller: hpacucli ctrl all show detail Smart Array P410 in Slot 1 Bus ...
Wawrzek's user avatar
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5 votes
0 answers
1k views

Cannot set ACL on ACL-enabled EXT4 partition

I am trying to enable xattrs and acls on a Debian machine. I've (re)mounted the partition in question with user_xattr and acl. (/dev/md3 is the partition in question) root@fs01:/# mount | grep /dev/...
Chris's user avatar
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1 vote
3 answers
218 views

Expanding ext3 /usr partition safely with minimal downtime

I have inherited a Centos 5.5 server provided by Softlayer. My /usr partition is filling up, and I can't see any quick wins by deleting cruft. It looks like the sheer number of cpanel accounts is to ...
Pickledegg's user avatar
2 votes
1 answer
3k views

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 ...
Timothy R. Butler's user avatar
1 vote
0 answers
747 views

Debian mail server's Maildir folder with too many files causing disk I/O to go on high load

I have a Debian mail server running Postfix, Courier and Maildir, with disks on EXT3 filesystem. I have noticed that when I use my webmail application (Squirrelmail, in this case). It gets some kind ...
gtbono's user avatar
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1 vote
1 answer
855 views

Reclaiming Space That 'df' Says Should Be Available

I have a linux server hosted on one of Rackspace's CloudServers and it is showing that I have both no room available, yet also shows I have 12GB not used on the root partition. This server's only job ...
Ken S.'s user avatar
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1 vote
1 answer
161 views

ext3 mount options differ from linux kernel doc

I'm playing in my server lab with ext3 filesystem mount options, looking the kernel doc https://www.kernel.org/doc/Documentation/filesystems/ext3.txt I'm using redhat 5.8, if try to mount the fs in ...
c4f4t0r's user avatar
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0 votes
2 answers
5k views

Mount .vhd stored on ext3-NAS in Windows 7 without copying to NTFS Disk. Is this possible?

i have an vhd-Image stored on a NAS. I can't directly mount it, because the NAS stores the file in an ext3-system (i read this is causing trouble). I can't copy the file to a NTFS disc, because it's ...
Martze's user avatar
  • 101
-1 votes
3 answers
1k views

What happens if fsck.ext4 -y is run on a ext3 fs and how to I recover from it

I had a mountable fs (pretty sure it was ext3), fsck.ext4 was run with -y and ended in a segmentation fault. Now it is unmountable (dmesg says it's corrupt) and identifies as a ext4 fs via the "blkid" ...
FeelTheBurns's user avatar
3 votes
1 answer
610 views

could fsck -Af -M cause corrupt filesystem?

Last night my server encounter "Read-only file system" error. So then I ran "fsck -Af -M" to trying to repair but no use, these are output: fsck 1.39 (29-May-2006) e2fsck 1.39 (29-May-2006) /: ...
foo's user avatar
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28 votes
5 answers
59k views

CentOS thinks Disk is busy, can't mount or fsck

I'm a longtime user, and first time question submitter. I've spent a full day searching this and many other sites for a solution, but I must resort to requesting assistance to resolve my situation. ...
TripSixes's user avatar
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0 votes
2 answers
104 views

Program complains not enough disk space even if the disk space exists

I have an EXT3 partition mounted in ordered data mode. If a power failure occurs when a program is creating files on that partition, I see that space usage reported is normal and I don't see any ...
user1189899's user avatar
0 votes
1 answer
473 views

force fsck to fail on boot

I am working on a embedded debian linux device. Owing to the power being pulled at any time resulting in a sudden power loss, we have set FSCKFIX from "no" to "yes" in the /etc/default/rcS file. ...
othane's user avatar
  • 101
11 votes
1 answer
5k views

Is the Ext3 filename limited to 255 symbols or 255 bytes?

I cannot save the file with the name containing more than 127 Cyrillic UTF-8 symbols on my Ext3 filesystem. It is possible so save the files containing up to 255 English UTF-8 symbols though. So is ...
v_2e's user avatar
  • 339
4 votes
1 answer
2k views

"No space left on device" error when writing certain session filenames

I have some filenames (session files) that can't be written ("No space left on device"). Other filenames (same directory) are fine. Disk is not full. The filesystem is ext3 PHP is giving an error ...
Rob Ferrer's user avatar
-2 votes
1 answer
360 views

Liferay cluster with SAN storage with ext3 [duplicate]

I'm deploying an liferay portal in a cluster which has 2 node load balanced, and config both to access to the same data location in a SAN storage devide. The problem is each node can not see the other ...
supper aban_89's user avatar
-5 votes
2 answers
7k views

How to convert lvm to ext3/4? [closed]

I have an old box(CentOS 5) that was formatted as lvm but now I want to convert it to ext3/4 file system without losing data. I have some empty disks that can be used, so is there an easy way to do ...
Mickey Shine's user avatar

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