Questions tagged [ext3]

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.

282 questions
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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 situation is that I've got some GBs "missing" that I can't…
john fish
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Why is reiserfs marginalized?

I've seen lots of comments suggesting that EXT3 is safer & better than reiserfs. I've been using this FS for about 4 years now and never ever had problems. Before this I used ext2 and then ext3. On ext2 I once lost ALL my files because of a…
quamis
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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: ssv wtime "@0x64000000" debugfs: show_super_stats…
bat_ventzi
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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) /: recovering journal fsck.ext3: Bad magic number in…
foo
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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. ( Similar to setting uid and gid for a vfat mount…
user14852
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How do you *tag* a partition as ext4?

I have an ext3 partition so when I do this: mount /dev/blah /mnt/blah it is mounted automatically as ext3. I can get it to mount as ext4 by running mount -t ext4 /dev/blah /mnt/blah and it works. I presume the partition is somehow tagged as being…
Pablo Fernandez
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If I upgrade an ext3 fs to ext4, will it automatically increase the maximum amount of directories per directory?

Due to an external unavoidable situation*, I need to have more than 32k directories in a directory (but as far as I can tell, less than 64k). I'm hitting the limit of ext3. I presume the original server was running ReiserFS. The backup is stored in…
Pablo Fernandez
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Failed volumes on RAID - how to handle?

I've got a situation on a RAID that I've taken over responsibility for recently and really could use some advice. I hope I haven't mucked it up to much. A couple server on the ad-hoc cluster I'm administering started reporting disk problems.I ran…
Michael S
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SLES 11 recommended filesystem

We are upgrading some servers from SLES 10 to SLES 11 and I just saw that ext4 is not supported. Should I move to XFS or keep ext3? I will be moving the programs and databases to a new VM so reformatting is not a problem. We are currently using…
Jure1873
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one 16K random read I/O issues 2 scsi I/O (16K and 4K) requests in linux

I noticed weird issue when benchmarking random read I/O for files in linux (2.6.18). The Benchmarking program is my own program and it simply keeps reading 16KB of a file from a random offset. I traced I/O behavior at system call level and scsi…
hiroyuki
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Solaris support for ext4/ext3/btrfs

Does anyone know if Solaris 11 (Sparc version) supports mounting ext3/ext4 or even better Btrfs volumes ? Most of the topics I find on the web are quite outdated (2006/2007) and reference old versions of Solaris which were pretty unfriendly to Linux…
devlearn
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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 options to improve the performance? I guess,…
Michael
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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 system is UP, applications works with database and…
Joris.B
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Relatime vs noatime for flash drives

I am running a web server off of a SheevaPlug, and the OS and system are stored on an SD card with an ext3 file system. I know that atime is a major source of writes that wear out flash memory. This question recommends using the relatime mount…
ShankarG
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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 /dev/sda2 / ext3 /dev/sda3 swap
U85
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