The ext4 or fourth extended filesystem is a journaling file system for linux/*nix developed as the successor to ext3.
Questions tagged [ext4]
469 questions
22
votes
4 answers
"safe" ext4 configuration for systems running unattended
I have a system running linux that must run unattended for long periods of time. The system uses industrial CF card for storage. Most of the time there are no writes to flash, although every now and then some configuration data/settings can be…
Grodriguez
- 252
3
votes
1 answer
18TB with ext4 filesystem
I have the server with 4 disks 6TB each. At start disks were configured as RAID 10 and I had 11TB partition with ex4 filesystem on it. I grew up RAID from level 10 to 5 and now it’s 17.9TB. After reconfiguring RAID I used resize2fs for resize…
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vote
3 answers
Can ext4 fs be completely unrecoverable broken due to power loss while disk is writing?
Suppose you are doing a full speed write to disk in a linux pc box with ssd or mechanical disk (OS also on the same disk, there is no battery/UPS):
cat /dev/urandom > omg.txt
If the power losses suddenly during the process, or any other sort of…
c2h2
- 768
1
vote
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Extreme performance degradation with ext4 barriers
I'm getting very low performance with ext4 barriers enabled (the default):
sysbench gives me with barriers on:
File operations:
reads/s: 55.03
writes/s: 36.69
fsyncs/s: …
Artefacto
- 1,065
0
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1 answer
How can I deal with a directory on an ext4 volume that has so many files ls won't work?
I setup a motion detection software on linux and in the process created a directory with so many jpg files in it that running "ls mydirectory" just hangs. How can I split the content into several subdirectories when I can't even get a listing of…
-3
votes
1 answer
12.04 ext4 - cannot create regular file/No space left - with a lot of space and inodes
This seems similar:
EXT4 "No space left on device (28)" incorrect
but there is no explanation
I created an ext4 filesystem on a RAID 1 array with:
mke2fs -t ext4 -T small /dev/md0
tune2fs -l >> http://pastebin.com/P5eKXmgC
tried this too:
mke2fs -t…
user1434058
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