Re: Multiple data streams

[Scott Lovenberg <scott.lovenberg@xxxxxxxxx>]

Sandeep K Sinha wrote:

Hi Scott,

I would highly appreciate if you could just share as to why we don't
have such a mechanism not yet supported in ext2/ext3 as yet in such
commodity file systems, in your opinion.
Wherein ZFS, NTFS and other state of art file systems already support it though.

Are there any technical issues to it that I am missing out :-)


On Sun, Jul 27, 2008 at 5:08 PM, Scott Lovenberg
<scott.lovenberg@xxxxxxxxx> wrote:
  

Rohit Sharma wrote:
    

Does ext2/ext3 supports multiple data streams ?



      

No, ext2/3 don't implement forks (although ZFS does).
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Let me preface this with, IMHO and this is only my opinion, take it as you will ;)

For one thing, forks are a nightmare from a security standpoint; data on your disk, that you can't see and only the person(s) whom put them there know about.  Viruses and other malware use ADS on NTFS to hide from virus scanners and the such.  Also, when you do backups, your backup application will have to know how to handle them, or they won't be making it to the archive - unless you're taking binary snapshots of your disk.  Lastly, they don't really provide anything for the time spent programming and debugging them.  I can't really think of many, if any, legitimate uses for them.  Just my $0.02.