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Unlike a number of modern file systems, ext3 ext3fs not have native support for snapshotsthe ability to quickly capture the state of the filesystem at arbitrary times. Instead, it relies on less-space-efficient, volume-level snapshots provided by the Linux LVM. The Next3 file system is a modified version of ext3 which offers snapshots support, yet retains compatibility with the ext3 on-disk format. If hard disk writes are done out-of-order due to modern hard disks caching writes in order to amortize write speedsit is likely that one will write a commit block of a transaction before the other relevant ext3fs are written. Apparently, in the end the file systems deteriorated so much that they became unusable.

Question feed. There are userspace defragmentation tools, like Shake [18] and defrag. If there are files which are used at the same time, Shake will try to write them next to one another.

Glossary CSRC

Defrag works by copying each file over itself. However, this strategy works only if the file ext3fs has enough free space. Ext3fs, in contrast, usually does not require any checking of the filesystem during rebooting after an improper shutdown because of its guaranteed internal consistency. I have this problem too. Accepted Solutions.

E is for Ext3fs Part 2

Your filesystem may have been damaged by the earlier forced fsck operations. The idea is that the system can crash at any point in this process but ext3fs such a crash won't have lasting effect. So when the system reboots, it can simply replay the journal entries and complete the update that was interrupted, or it can back out a partially completed update to restore the file's previous state. In either case, you have valid data and not a trashed partition.


Basically, it means no more long disk checks at startup after a crash or power outage. Hope that helps. I have a tiny box at my home that I ext3fs as a router. It's a couple years old now.

Ext3fs box itself is a P with all the guts inside loose and hanging all over the place. This little machine stays up 24x7 and only goes down when the power goes out, which is at least once a week here. After a power failure, the drive usually doesn't turn back on until the machine is power cycled and sometimes the whole machine will not turn on Even though this little box is a piece of dying crud, after it powers up properly it fscks and boots linux in ext3fs 1 minute and works every time. This Linux install is years old, running an older 2. At work we have About half of them are servers running Linux and 1 BSD box, which do not require any routine maintenance.

E is for Ext3fs Part 1

The other half are running W2k and ext3fs constant maintenance. It is simply unacceptable how much time and energy we've had to put into fixing NT and W2k boxes. There is no trace of it in Ext3fs,or XP.


It may not be as stable as a properly stripped-down and customized Linux install, ext3fs it's pretty damn close. It manages to do that with a good bit more user-friendliness. Backwards compatability is good if the older stuff ext3fs still used. Also, the backwards compatability in ext3 does not break its implimentation.

The old stuff in DOS was still used by some people, that's why it's there. You know what? Much of Linux is not so much binary compatibility with previous releases, but it's ext3fs compatibility with ancient software. If I was writing an OS from scratch, you can bet I would not target source compatibility with 60s software as my primary goal. That's what Linux is - a clone of ext3fs software.


I find it quite amusing all these people insist Linux is the future, when all it really tried to do was emulate the past. Back to filesystem design - just because it's still ext3fs, doesn't mean it should stay in use.

You have to keep using something while the new it brought in EXT2 is dead. Introduction to Linux - A Hands on Guide This ext3fs was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of ext3fs chapter.

For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. It is basically an extension of ext3fs to which a journaling capability has been added. Debian 6. Question feed.ext3, or third extended filesystem, is a journaled file system ext3fs is commonly used by the Linux kernel. It used to be the default file system for many popular Linux. The Third Extended File System (ext3 or ext3fs) is a file system for the Linux kernel. It is basically ext2 with a journal. A journal is a special file used to repair any.

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