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Questions tagged [ext4]

The ext4 or fourth extended filesystem is a journaling file system for linux/*nix developed as the successor to ext3.

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Linux ext4 incremental backup tool produces individual files not one

I want to backup ext4 files with size (<100MB) as they are, NOT in one single archive file (like with dump or tar). Can you recommend me a tool that keeps the directories/files structure in the destination ? I am aware of rsync with --link-dest.…
Paul Rusu
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We are migrating our wordpress to static site. That is creating over 400,000 folders within 1 folder. Is there any limit to the number of sub-folders?

Our wordpress web site is several years old and has many posts indexed and ranking well on google. With any serious traffic my wordpress server tanks - and this happens even after several rounds of wordpress optimization. We have had enough of…
Muhammad Ebrahym
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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" command. The fs happens to sit on a raid 0 array…
FeelTheBurns
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Samba4 provides high I/O load

I use sernet-samba package (version 4.0.9-6) on Debian 7. Samba configured as additional AD controller. Samba process infinitely writes something to disk and makes high I/O load: Total DISK READ: 0.00 B/s | Total DISK WRITE: 204.37 K/s TID…
strangeman
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Impossible to read / delete some files

How can I fix a message like this (read after a dmesg command)? EXT4-fs error (device hdb1): ext4_lookup: deleted inode referenced: 119197 EXT4-fs error (device hdb1): ext4_free_inode: bit already cleared for inode 119198 EXT4-fs error (device…
user865659
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Mysql crashes. Bad hard drive or hardware?

I've seen high loads and mysql crash 2 times in 1 week now. Could this be the cause? Any idea? Jan 3 09:49:19 HOST kernel: [2272100.568769] res 51/40:38:78:7f:f1/40:00:35:00:00/e0 Emask 0x9 (media error) Jan 3 09:49:19 HOST…
Mike Janson
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Cloning my hard drive as a backup

At the moment, I have an Ubuntu 11.04 installation on a single 500GB hard drive in my laptop. The hard drive is partitioned into four parts: 500MB for the boot information, 2GB for the swap partition, 195GB for the home folder and the remainder of…
Matthew G
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Help, ive just corrupted my ext4 partition

After troubleshooting problems with my mdadm config and kernel settings for about a week now i got careless and left my data drives plugged in after a successful boot test. i was attempting to change the MDADM super-block so the kernel would…
Silverfire
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Linux Ubuntu Files behind the mount

root@host:~# mkdir -p /tmp/test root@host:~# echo "test" >> /tmp/test/file.txt root@host:~# mount /dev/xy /tmp/test/ How can I now access file.txt without unmount /dev/xy?
syntax412
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df -h says / fs is taking 61G of space but its not

df -h in my redhat 7 is reporting its taking 61G of space. This should be wrong because there shouldn't be anything there which is this big. Other server with the same configuration reports only 11G. Output of df -h: Output of du -sh /* Maximum…
Leo King
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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/VolGroup00/LogVol00 / ext4 defaults 1 1) mount…
Gabriel Sousa
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Centos 5.5 [Read-only file system] issue after rebooting

I have a virtual server under centos 5.5 (hosted by a japanese company called sakura ) Since yesterday, connection through ssh couldn't be established. I've contacted support center who told me to restart VS from the control panel. After restarting,…
canu johann
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Sharing disk space between two Ubuntu hosts

I have two Digital Ocean droplets (Ubuntu 14.04 LTS VPS instances): Alice: 40GB disk / 38GB used Bob: 20GB disk / 2GB used Alice’s storage needs will continue to grow slowly but steadily. Rather than bumping Alice up to a more expensive image, is…
Ryan
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Disable ext4 journaling for website?

/var/www/website contains the files that powers a website, and /var/www/media contains many tiny media files like images in subdirectories named after their date of creation. Deleting/pruning an entire subdirectory of many tiny files hogs the IO and…
Nyxynyx
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fsck an active disk provides different results than fsck on an unmounted disk

I have a VM running ubuntu LTS with an ext4 filesystem. We had performance problems that were related to IO tasks. I checked the filesystem with fsck.ext4 -nv /dev/sda1 e2fsck 1.41.11 (14-Mar-2010) Warning! /dev/sda1 is mounted. Warning:…
Izac
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