ext3 is the default file system for many Linux distributions.

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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: ...
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4answers
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How do you get e2fsck to show progress information?

I'm running e2fsk on a very large (1TB+) ext3 disk with e2fsck -v /dev/sda1 from RIPLinux booted with PXE. I get e2fsck 1.41.6 (30-May-2009) /dev/sda1 contains a file system with errors, check ...
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3answers
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How long should resize2fs take on a 1TB partition?

I've got a new computer at the university and almost set up everything for myself on it when I've noticed that the previous user of the machine used a huge 1TB ext3 partition only. I usually keep /...
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1answer
1k 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 ...
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23answers
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rm on a directory with millions of files

Background: physical server, about two years old, 7200-RPM SATA drives connected to a 3Ware RAID card, ext3 FS mounted noatime and data=ordered, not under crazy load, kernel 2.6.18-92.1.22.el5, uptime ...
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3answers
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How many subdirectories does the XFS filesystem support within a given directory?

EXT3 supports 32,000 subdirectories. EXT4 supports 64,000... I've read about people having millions of subdirectories on the XFS filesystem, but can't find an exact value referenced anywhere. How ...
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0answers
51 views

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. ...
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2answers
412 views

sharing an ext3/ext4 partition on external drive

is there a way of sharing an ext3/ext4 formatted partition on an external USB drive between different users (uids) on different Linux machines without creating a group for this purpose, setting the ...
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0answers
37 views

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 ...
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7answers
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How do you re-mount an ext3 fs readwrite after it gets mounted readonly from a disk error?

Its a relatively common problem when something goes wrong in a SAN for ext3 to detect the disk write errors and remount the filesystem read-only. Thats all well and good, only when the SAN is fixed ...
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4answers
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mount: cannot remount block device /dev/sda5 read-write, is write-protected

So, this is it. Everything is working as usual except the disk is read only and dont want to change back. ^_^! thanks. root@NODE02:/tmp# df . Filesystem 1K-blocks Used Available Use% ...
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2answers
634 views

optimizing ext[234] for small file throughput

I have a system that has a high throughput of small files on disk, i.e. a huge number of small files are created, written and deleted within seconds. Are there any reasonable ext2/ext3/ext4 mount ...
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1answer
17 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 -...
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0answers
23 views

mount -o loop hangs

mount -o loop /example/example.img /mnt hangs for hours in dmesg only: ext3_orphan_cleanup: deleting unreferenced inode 104502 /var/log/messages kernel: < inode 10 inode 10 inode 10 inode ...
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2answers
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How to copy directories using debugfs? [duplicate]

The debugfs manpage gives the impression that the command 'rdump . .' will recursively copy all files found on the specified filesystem from the debugfs cwd to the native filesystem's cwd. Instead I ...
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1answer
40 views

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 ...
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9answers
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Disk full, du tells different. How to further investigate?

I have a SCSI disk in a server (hardware Raid 1), 32G, ext3 filesytem. df tells me that the disk is 100% full. If I delete 1G this is correctly shown. However, if I run a du -h -x / then du tells me ...
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5answers
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kernel: journal commit I/O error

I am having some problems with a Dell 1950 server. I am installing RHEL 4.6 along with Oracle and some other software on here. I am randomly getting an error message saying "kernel: journal commit I/...
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0answers
51 views

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 ...
0
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1answer
142 views

Why would an ext3 filsystem be rolled back on a Debian VM running in VirtualBox after loss of power to the host

A Debian Virtual machine runs as a Guest VirtualBox VM. It's filesystem is EXT3. The host system loses power and after booting up the host system and guest VM, I find that the VM's filesystem has been ...
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1answer
34 views

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/...
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3answers
882 views

Can I mount an ext3 filesystem on linux so files on the mount are owned by a userid?

I'd like to mount an ext3 filesystem via /etc/fstab so that the files in the mount are owned by a particular user. Is this possible ? I've looked at man mount but couldn't find an option to do this. (...
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2answers
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e2fsck / resize2fs problems

I've got 6 drives (each 1.5T, all same model and firmware revision) that are part of a RAID5 array. The RAID5 makes a LVM volume group and a logical group. The latter contains only one ext3 partition. ...
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7answers
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Reducing the Size of a Partition in RAID1 CentOS

I need to reduce the size of a partition in RAID1. The current configuration of the disks are shown below: (parted) select /dev/sda Using /dev/sda (parted) p Model: ATA ST1000NM0011 (scsi) Disk /dev/...
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1answer
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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 (...
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3answers
23k views

How to recover data from a corrupted ext3 partition?

A server of mine had a drive failure of some sort which caused the OS (CentOS 5) to crash and stop working (it refuses to boot). So we put another drive with a working OS and from there we try to ...
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3answers
2k views

Unable to list contents/remove directory (linux ext3)

System is CentOS5 x86_64, completely up to date. I've got a folder that can't be listed (ls just hangs, eating memory until it is killed). The directory size is nearly 500k: root@server [/home/user/...
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1answer
1k views

ext3 file system performance tuning: what metrics to monitor

I have a high-IO application that is working, and scaling well to date. Over the past few months we've been trying to look down the road and predict where our next bottlenecks will occur. One of ...
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1answer
153 views

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 ...
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2answers
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Is post-sudden-power-loss filesystem corruption on an SSD drive's ext3 partition “expected behavior”?

My company makes an embedded Debian Linux device that boots from an ext3 partition on an internal SSD drive. Because the device is an embedded "black box", it is usually shut down the rude way, by ...
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2answers
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Mount an ext3 partition with a 16k blocksize?

We are attempting to recover data from a drive which was formated by Netgear ReadyNas Duo. We have dropped it in a linux box and discovered that it is formated as ext3 with a 16k block size. Mounting ...
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2answers
84 views

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 ...
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1answer
100 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/...
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0answers
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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 ...
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2answers
150 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: ...
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3answers
52 views

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 ...
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1answer
92 views

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 ...
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3answers
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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. ...
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10answers
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How does the number of subdirectories impact drive read / write performance on Linux?

I've got an EXT3 formatted drive on a Linux CentOS server. This is a web app data drive and contains a directory for every user account ( there are 25,000 users ). Each folder contains files that ...
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4answers
197 views

Data consistency with RAID 5 and BBWC

I have a few questions about RAID 5, BBWC (Battery Backed Write Cache), filesystem (ext3) and optionally mysql. I have a hypothesis and I ask Server Fault community to validate or not this one: The ...
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1answer
492 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 ...
5
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2answers
271 views

Repartitioning while disk is in use?

I've two closely related questions, so I'll keep them in one SF question: Question 1 I've a Linux (debian) server that must have minimal downtime. The disk has two partitions, one is / (ext3) and ...
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1answer
115 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? ...
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2answers
184 views

Join files effectively on Linux

Is there a better way to join files that have been splitted than just doing a "cat" or "join"? These commands just copy the file streams into a new file on disk. A much better way would be ...
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1answer
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Where do ext3 inode / meta-data reside?

Just a quick question about ext3: Are inodes stored in the same area as file data, or are there separate regions on the disk reserved exclusively for meta-data and others reserved exclusively for ...
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2answers
768 views

ext3 Snapshot Support

Does the ext3 filesystem support snapshotting? If so, is can this be done with straight partitions with no LVM? An example of "straight partitions" would be the following: /dev/sda1 /boot ext3 /...
29
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11answers
23k views

How to make `rm` faster on ext3/linux?

I have ext3 filesystem mounted with default options. On it I have some ~ 100GB files. Removal of any of such files takes long time (8 minutes) and causes a lot of io traffic, which increases load on ...
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2answers
22 views

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 ...
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2answers
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How to tell the language encoding of a filename on Linux?

I have a directory with ~10,000 image files from an external source. Many of the filenames contain spaces and punctuation marks that are not DB friendly or Web friendly. I also want to append a SKU ...