Re: SELinux compatible with XFS?

[Michael Tiemann <tiemann@redhat.com>]

We've been doing extensive testing of the 2.4 kernel, and there are all 
sorts of exciting ways in which it can corrupt _any_ filesystem (it's one 
reason we haven't released a 2.4-based product ;-).  We're working hard 
with others to fix those problems.  I wouldn't blame XFS just yet.

M

Jose Nazario wrote:

> On Mon, 19 Mar 2001, Howard Holm wrote:
> 
> 
>> While I'm not completely familiar with XFS, my understanding is that
>> one of its advantages is that it stores extended attributes with the
>> files.  So, it should, hopefully, be relatively easy to add a PSID to
>> the extended file attributes.  That said, it isn't one of NSA's
>> priorities to add that support.  If someone else wants it enough to do
>> the work, we'd certainly like to see the results made available.
> 
> 
> i'd like to chime in with some notes from the field and some links.
> 
> first up, we've just migrated *away* from XFS on some early 2.4 kernels on
> out local LUG server, lockups and IO problems were just too great. that is
> to say that this may have been fixed in recent releases of the 2.4 kernel
> and the XFS source. i hope so, we would hover around 8 hours of uptime on
> a busy server.
> 
> however, Linus is not happy to import large chunks of code into the
> kernel, which will probably slow the adoption of XFS in Linux. also, they
> recently officialy merged Reiser in, albeit you have to request
> experimental code.
> 
> but, having been using XFS on IRIX for many, many years, i can say it's
> one high performance filesystem. and yes, it does have extended attributes
> on Linux, like MACLs and such. very nice, indeed. hence, with whatever
> little weight i have here (i don't code stuff for you guys, for example),
> i would like to vote for XFS in SELinux over other filesystems. i know
> that SGI could use the help, and i know that the features of XFS would be
> well utilized in SELinux.
> 
> some papers on XFS have appeared, and are available in large measure at:
> 
> 	http://linux-xfs.sgi.com/projects/xfs/publications.html
> 
> later,
> 
> ____________________________
> jose nazario						     jose@cwru.edu
> 	      	     PGP: 89 B0 81 DA 5B FD 7E 00  99 C3 B2 CD 48 A0 07 80
> 				       PGP key ID 0xFD37F4E5 (pgp.mit.edu)
> 
> 
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