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Contents contributed and discussions participated by Graham Perrin

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Graham Perrin

Finder, xattrs and appledouble files - MacFUSE | Google Groups - 0 views

groups.google.com/...b96e8427da713573

2009 2009-11 2009-11-18 MacFUSE Mac OS X Finder (software) Hierarchical File System

shared by Graham Perrin on 20 Nov 09 - Cached
  • problem is in attempting to drag-n- drop (or copy-n-paste) files from the HFS+
  • haven't found a combination of default_permissions, defer_permissions, noappledouble and noapplexattr options (or absence of all of them) that works
  • problems that you are experiencing are almost certainly down to something else
  • ...2 more annotations...
  • if you don't implement xattrs MacFuse will work
  • If you can repeat a problem with the loopback then it may be a problem with MacFUSE - if not the problem is yours
Graham Perrin

Fix MacFusion on Snow Leopard | Racker Hacker - 1 views

rackerhacker.com/...fix-macfusion-on-snow-leopard

shared by Graham Perrin on 29 Aug 09 - Cached
  • fix this in two steps:
    • Graham Perrin
      Graham Perrin on 29 Aug 09
       
      three steps:
  • rm /Applications/Macfusion.app/Contents/PlugIns/sshfs.mfplugin/Contents/Resources/sshnodelay.so
Graham Perrin

SSHFS - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/SSHFS

shared by Graham Perrin on 26 May 09 - Cached
Graham Perrin liked it
  • SSHFS (SSH Filesystem)
  • allows access to a remote file system where files and directories are available via SFTP
  • Compatibility and limitations
Graham Perrin

NTFS-3G: Extended Attributes - 0 views

pagesperso-orange.fr/...extend-attr.html

ea NTFS

shared by Graham Perrin on 26 May 09 - Cached
Graham Perrin liked it
  • information which cannot be stored in the file
  • Extended attributes are properties
  • optionally set to files or directories
  • ...23 more annotations...
  • with variations
  • Windows, Linux, Solaris, MacOSX
  • On Linux, specifically, four categories of extended attributes have been defined
  • user : to record properties defined by applications
  • names of the extended attributes must be prefixed
  • Examples of extended attribute names
  • stable ntfs-3g supports the user name space
  • some Linux distributions do not support the extended attribute interface
  • commands for getting or setting the extended attributes are system dependent
  • extended attributes in user name space are stored on NTFS as alternative data streams
  • The following sections describe how to access a few NTFS internal data as extended attributes
  • NTFS Attributes
  • miscellaneous flags associated with a file or directory
  • Only eight flags can be changed
  • NTFS use reparse data to define special actions before opening
  • reparse data of a file or directory is mapped to an extended attribute
  • translated into ownership, permissions and Posix ACLs parameters
  • NTFS ACLs are used to control access
  • NTFS ACL of a file or directory is mapped to an extended attribute
  • EFS is the methodology used in NTFS to deal with encrypted files
  • decryption information, the EFS Info, which contains the key, encrypted
  • decryption information is mapped to an extended attribute
  • encryption and compression are not compatible
  • Graham Perrin on 26 May 09
     
    Annotated link: http://www.diigo.com/0619k
Graham Perrin

Advanced NTFS-3G Features - 0 views

pagesperso-orange.fr/...advanced-ntfs-3g.html

NTFS

shared by Graham Perrin on 26 May 09 - Cached
  • the NTFS-3G project globally aims at providing a stable NTFS driver for several operating systems
  • the advanced branch specifically aims at developing, maturing, and releasing features to get user feedback
  • advanced releases are designed as add-ons to the latest stable release
Graham Perrin

Change SSHFS behavior to WRONLY and copying - MacFUSE | Google Groups - 0 views

groups.google.com/...5e68fa320f8acde

shared by Graham Perrin on 23 May 09 - Cached
Graham Perrin liked it
  • In SSHFS when copying a file, the file mode is RDWR
  • my server doesn't support that
  • Graham Perrin on 23 May 09
     
    I'll be interested in the answer to this question.
Graham Perrin

Issue 182 - macfusion - ndrive.uscs.susx.ac.uk | FTP | | Finder | copy foo.bar | e... - 0 views

code.google.com/...detail

shared by Graham Perrin on 17 Jan 09 - Cached
  • Graham Perrin on 17 Jan 09
     
    Cross-reference http://www.diigo.com/04n2p
Graham Perrin

Issue 159 - macfuse - Finder error -43 (failing to copy to drwxrwxrwx directory th... - 0 views

code.google.com/...detail

shared by Graham Perrin on 17 Jan 09 - No Cached
  • Graham Perrin on 17 Jan 09
     
    Exemplary of a factor (in this case, NCP - Novell Core Protocol) that could not be guessed from the client perspective, and that may lead to puzzling behaviour when MacFUSE and applications such as Apple Finder are added to the equation.
Graham Perrin

OPTIONS - - 0 views

code.google.com/...OPTIONS

2009 Filesystem in Userspace

shared by Graham Perrin on 17 Jan 09 - Cached
  • MacFUSE provides a flexible and adaptive mechanism to handle extended attributes (including things such as Finder Info, Resource Forks, and ACLs)
  • extended attributes as Apple Double (._) files
  • all or only some extended attributes
  • ...14 more annotations...
  • To properly support ACLs, a user-space file system must correctly handle the com.apple.system.Security extended attribute
  • MacFUSE supports Mac OS X access control lists (ACLs)
  • With auto_xattr, the kernel will /always/ use ._ files
  • MacFUSE limits volume access to the user that mounted the volume
  • blanket denial is a first line of defense
  • allow_other to turn the blanket denial off
  • not a means of distributed file sharing
  • SFTP is merely a utility
  • create a true distributed file system based on MacFUSE
  • nolocalcaches makes the operating system work in an abnormal mode
  • relevant code paths may not have been well tested
  • overhead
  • file operations could end up being /much/ slower
  • SFTP provides no synchronization or locking
Graham Perrin

VERSIONING - macfuse - Google Code - A note on MacFUSE Core version numbers - 0 views

code.google.com/...VERSIONING

2008 Filesystem in Userspace

shared by Graham Perrin on 15 Dec 08 - Cached
Graham Perrin

MACFUSE_FS_SSHFS - macfuse - Google Code - The SSH File System for MacFUSE - 0 views

code.google.com/...MACFUSE_FS_SSHFS

shared by Graham Perrin on 15 Dec 08 - Cached
  • See ChangeLog file in sshfs source
    • Graham Perrin
      Graham Perrin on 15 Dec 08
       
      I find http://sourceforge.net/project/shownotes.php?release_id=634615&group_id=121684 but I 'm not sure whether that is the ChangeLog file that's intended.
Graham Perrin

Noob help with creating a file system - MacFUSE | Google Groups - 0 views

groups.google.com/...162c8e7407cb01de

activity performance foreign native error file system Finder

shared by Graham Perrin on 19 Nov 08 - Cached
  • very picky that your file system is returning the proper errors
    • Graham Perrin
      Graham Perrin on 19 Nov 08
       
      Finder expects errors that are proper.
  • think beyond the Finder
  • contentsOfDirectoryAtPath: will be called frequently
  • ...4 more annotations...
  • accesses to files in a directory when there was no contentsOfDirectoryAtPath: ca
  • Finder, other applications, and even parts of the OS that would would not expect may be requesting directory contents or file attributes on your file system at any time. They will even do this for files and directories that don't exist
  • Working well with the Finder is not an easy task
  • behaving as much like a "standard" file system as possible
Graham Perrin

Finder browsing is slow with sshfs - MacFusion-devel | Google Groups - 0 views

groups.google.com/...f703cb724ec029c

performance MacFUSE Finder SSHFS

shared by Graham Perrin on 16 Nov 08 - Cached
  • # nontrivial user-space file systems can still be complex, and # their performance/behavior can depend upon numerous factors # besides MacFUSE itself.
Graham Perrin

Comparing performance: Cyberduck and FileZilla (FTP) and CurlFtpFS (with MacFusion) - ... - 0 views

groups.google.com/...9a40391e47b10ce5

performance FTP CurlFtpFS SSHFS SFTP compare

shared by Graham Perrin on 16 Nov 08 - Cached
  • A meaningful comparison of clients should incude full understanding of associated servers
  • Not all FTP servers are equal
    • Graham Perrin
      Graham Perrin on 16 Nov 08
       
      Not all SFTP servers are equal. And so on…
  • MacFusion does connect to FTP servers, but MacFusion is not directly comparable to FTP clients
    • Graham Perrin
      Graham Perrin on 16 Nov 08
       
      Macfusion does connect to SFTP servers, using SSFHS (not to be confused with SFTP), but Macfusion is not directly comparable to SFTP clients. And so on…
  • ...1 more annotation...
  • Not all FTP clients are equal
  • Graham Perrin on 16 Nov 08
     
    This discussion focused on FTP and CurlFtpFS. Similar comments may be made concerning SFTP and SSHFS.
Graham Perrin

Cyberduck support for resource forks and extended attributes - 0 views

trac.cyberduck.ch/374

SFTP FTP xattr extended attribute resource fork

shared by Graham Perrin on 16 Nov 08 - Cached
  • What about extended attributes and other things that may result in ._ dot underscore files?
  • resolution set to wontfix
  • Graham Perrin on 16 Nov 08
     
    A question concerning extended attributes was not answered; the ticket was closed. "Won't fix."
Graham Perrin

message from conversation 'Controlling the number of fuse threads' - 0 views

groups.google.com/...1585b8031aa08e17

mount file system activity performance

shared by Graham Perrin on 16 Nov 08 - Cached
  • the moment you mount something on OS X, the operating system can throw a lot at the file system
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