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File Systems [closed]

Proposed Q&A site for scientists, engineers, developers, etc. researching existing file systems and/or developing new ones
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At 2+ years in Area 51 we have to close this proposal. Keep this proposal alive by restarting it. See discuss.area51.stackexchange.com/q/5798. – Robert Cartaino♦ Apr 11 at 21:48

closed as not a viable proposal by Robert Cartaino♦ Apr 11 at 21:47

This proposal will not result in a useful, productive, or viable Q&A site.

54 Example Questions (4 closed)

active oldest votes
up vote 19 down vote
Why is FAT32 limited to 4 GB size files?
added by muntoo, edited by WikiSpeedia hang-around Dec 27 '11 at 10:39
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up vote 19 down vote
What strategies can a filesystem use to avoid fragmentation?
added by Gagravarr May 28 '11 at 19:48
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up vote 18 down vote
What is an inode?
added by Anto Apr 12 '11 at 19:20
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up vote 17 down vote
Does [ext4] pose more risk of bad sectors than [NTFS]?
added by mfg Apr 19 '11 at 17:31
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Isn't bad sectors physical damage / problems on the disk? Do file systems have anything to do with them? – Lord Loh. Nov 7 '12 at 20:16
up vote 12 down vote
Why is FAT32 used in flash drives?
added by muntoo, edited by WikiSpeedia hang-around Dec 27 '11 at 10:39
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4  
I think that a placeholder should be used instead of "FAT32" and "flash drive", like why is [FS] used for [MEDIA]? – ObsessiveSSOℲ Apr 23 '12 at 23:28
up vote 12 down vote
What is journaling file system and how does it prevent filesystem corruption?
added by Maciej Piechotka, edited by WikiSpeedia hang-around Feb 9 '12 at 18:17
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up vote 11 down vote
How well suited for caching large amounts of data is [ext3]?
added by mfg Apr 19 '11 at 17:30
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up vote 11 down vote
How are file locking semantics under Windows (NFTS) different from Unix file systems (or better POSIX compliant file systems)?
added by dmeister, edited by WikiSpeedia hang-around Feb 9 '12 at 18:16
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up vote 11 down vote
How does filesystem encryption work exactly?
added by Veger Sep 14 '11 at 8:48
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1  
maybe also "what types of encryption exist", or "what levels of security/encryption exist" - etc. – Tomas Feb 17 '12 at 15:37
I would suggest to propose a new example question! :) – Veger Feb 17 '12 at 16:55
up vote 11 down vote
Are there any file systems that are optimized for accessing MPEG video data?
added by Dipan Mehta Nov 15 '11 at 15:28
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up vote 10 down vote
How does file system X perform operation Y?
added by Ryan Apr 8 '11 at 16:41
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up vote 10 down vote
What is the purpose of an L3 cache?
added by muntoo, edited by WikiSpeedia hang-around Feb 9 '12 at 18:16
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How is this related to file systems? – Josh Heitzman Nov 22 '12 at 4:02
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@JoshHeitzman This was supposed to be for back when there were "Off topic" questions. No clue why it hasn't been closed... (I just voted to close.) – muntoo Nov 22 '12 at 5:54
@muntoo Fair enough and I also voted to close. – Josh Heitzman Nov 22 '12 at 7:05
up vote 10 down vote
What is FUSE, and what is it used for?
added by Ryan Apr 28 '11 at 12:20
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up vote 10 down vote
What are the advantages and disadvantages of filesystems that let you delete and rename open files?
added by Gagravarr May 28 '11 at 19:45
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1  
Wouldn't it be more a feature of VFS then FS? – Maciej Piechotka Sep 15 '11 at 17:57
up vote 10 down vote
I need a filesystem that supports secure encryption, what are my options?
added by Veger Sep 14 '11 at 8:47
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up vote 10 down vote
Why does [Windows] not just use [ext3]?
added by Veger Sep 14 '11 at 8:49
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OMG, it's Microsoft! – Tomas Feb 17 '12 at 15:35
3  
It's between [] which should indicate that it is a field where any OS can be filled in, and Microsoft is an example value... – Veger Feb 17 '12 at 16:54
I think this is not constructive. Moderators, correct me if I'm wrong. – DragonLord May 17 '12 at 18:19
@DragonLord: If you don't find the question constructive, you can either down-vote it or, if you have the reputation, vote to close the question as not constructive. – Robert Cartaino♦ May 17 '12 at 21:21
up vote 10 down vote
With what options should I create a [foo] filesystem on a [bar] type disk, where the main use case will be [baz]?
added by vakufo Mar 9 '12 at 14:32
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up vote 10 down vote
Which file system is the best for a [fooSQL] data warehouse, that is [bar] GB big, and the underlying disks are [baz] disks?
added by vakufo Mar 9 '12 at 14:39
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up vote 10 down vote
What filesystems hold up well with long data storage with risk of bit-rot with little maintenance?
added by ObsessiveSSOℲ Apr 14 '12 at 22:03
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up vote 10 down vote
How does [btrfs] implement snapshots?
added by dwurf Apr 26 '12 at 6:09
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up vote 10 down vote
Can we convert an NTFS file system to FAT and vice versa?
added by Ghost Answer, edited by WikiSpeedia hang-around Jun 25 '12 at 17:19
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up vote 10 down vote
Which filesystems can detect on disk data corruption?
added by jkj Aug 9 '12 at 4:09
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up vote 10 down vote
What kind of workload virtual machines cause and which filesystems suits it best? How do I tune filesystem for virtual machines?
added by jkj Aug 9 '12 at 4:11
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up vote 10 down vote
What are the pros and cons of designing a file system with variable block sizes? I would like to have 1M block sizes to store HD videos and 4k for sub
added by Lord Loh. Nov 7 '12 at 20:02
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up vote 10 down vote
Do file systems with deterministic file access time exist? (Using Flash of course) What structures could one use to to design one?
added by Lord Loh. Nov 7 '12 at 20:09
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up vote 9 down vote
Why can't GRUB boot from XFS filesystems?
added by vakufo, edited by WikiSpeedia hang-around Apr 25 '12 at 17:15
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up vote 5 down vote
Can there ever be a situation where 2 files have the same inode number? If yes, how?
added by mtk Oct 30 '12 at 14:29
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up vote 3 down vote
Are there any transacted files systems?
added by Josh Heitzman Nov 22 '12 at 4:03
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up vote 2 down vote
Why is the deletion so slow on my [foo] filesystem? Here are the details: [bar, baz]
added by vakufo Mar 9 '12 at 14:43
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up vote 2 down vote
What is a good FS for [small/large] files that [are often updated/need to survive a long time without corruption]?
added by ObsessiveSSOℲ May 2 '12 at 17:55
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up vote 2 down vote
Which is better for storing and copying large files? NTFS or ext4?
added by Manishearth Nov 25 '12 at 16:06
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up vote 2 down vote
Are the filesystems in any OS for cell phone same as in operating system for computers?
added by Ghost Answer Dec 8 '12 at 6:41
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up vote 1 down vote
How will affect my [foo] filesystem['s read speed] on a [bar] storage device the [baz] hdparm command?
added by vakufo Mar 9 '12 at 15:26
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up vote 1 down vote
What techniques exist for exporting 64-bit inode numbers in NFS version 3?
added by James Youngman May 13 '12 at 19:36
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up vote 1 down vote
What guarantees must readdir offer if the directory is being concurrently updated?
added by James Youngman May 13 '12 at 20:00
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up vote 1 down vote
Are there other "full stack" file systems that also do volume management other than ZFS?
added by jkj Aug 9 '12 at 4:08
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up vote 1 down vote
How does the filesystem config/settings/protocol affect the maximum size of a file on that system ?
added by mtk Oct 30 '12 at 14:33
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up vote 1 down vote
Is a particular kind of a file system better suited for RDBMS applications? I see that MySQL maintains a large file as a datastore.
added by Lord Loh. Nov 7 '12 at 20:20
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up vote 1 down vote
Why does ext4 need nearly no defragmenting while NTFS does?
added by Manishearth Nov 25 '12 at 16:05
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up vote 1 down vote
what is low level formatting of file system
added by Ghost Answer Dec 18 '12 at 9:57
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