[OpenAFS-announce] ANNOUNCEMENT: OpenAFS 1.5.1 Development Release now available

[Jeffrey Altman]

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The OpenAFS Gatekeepers announce the availability of OpenAFS Development
version 1.5.1 .  Source files and available binaries can be
accessed via the web at:

    http://www.openafs.org/release/openafs-1.5.1.html

or via AFS at:

    /afs/grand.central.org/software/openafs/1.5.1/

Release 1.5.1 of OpenAFS is the second in a series of unstable
development builds leading up to the 1.6 stable release series.

1.5.1 includes the following new functionality that is subject
to change:

* UNIX/Linux

(1) cache manager code to allow a portion of the cache to be devoted to
only read-write data is included.

(2) capabilities probing support code has been modified.

(3) partial support for multiple Kerberos realms mapping to a single
cell has been added to servers.

(4) the 'w'rite and 'i'nsert permissions now control the ability to
    obtain write-locks on existing and new files.  previously the
    loc'k' permission controlled all lock types, now it only affects
    read-locks.

* Microsoft Windows

(1) Native Support for AMD 64-bit Windows platforms
MSI installers for 64-bit Windows platforms are now available.
NSIS has not yet been ported to 64-bit Windows.  The MSI provides
a native 64-bit AFS Client Service and set of tools.  Separate
installers are available including the 32-bit tools required for
acquiring tokens with 32-bit versions of MIT Kerberos for Windows.

(2) Build system changes
The build system has been modified to include the "sys_name"
in the destination and object file paths in order to allow
multiple builds to take place in the same tree.

(3) Above and beyond the SMB Server re-write in 1.4.1, there
are further optimizations in 1.5.1.

(4) Code has been added to prevent the client from Pinging
a server simultaneously from multiple threads.  This will
reduce the work load of the server and reduce the time it
takes to establish new connections.

(5) Registry entries allowing the daemon thread's check
intervals to be set.  These registry values are stored in
HKLM\SYSTEM\CurrentControlSet\Services\TransarcAFSDaemon\Parameters
with type DWORD.  The units are in seconds.  In general the
default values should not be altered.  To deal with a broken
NAT the Up interval can be set to 30 seconds.

   daemonCheckDownInterval
   daemonCheckUpInterval
   daemonCheckVolInterval
   daemonCheckCBInterval
   daemonCheckLockInterval
   daemonCheckTokenInterval

(6) Windows Event Log Message Text resources are now provided.

(7) New Event Log messages are added for "Crypt" state transitions.

(8) Faster implementation of "fcrypt" algorithms improves throughput.

(9) The RX library can now be debugged by capturing DebugOutputString
messages.

(10) 1.4.1 added a byte range lock allocation engine to the SMB Server
but without any backing by AFS File Locks.  1.5.1 turns on the use of
AFS File Locks.  However, it is important to note that the use of AFS
File Locks is controvertial for some organizations.  There are currently
discussions of extensions to the AFS3 Protocols to allow the use of
AFS File Locks to be influenced by administrator policy.  As such, the
behavior of locking in each subsequent 1.5.x release may change.
The current behavior obtains server locks whenever possible but will
allocate local locks if the volume is read-only or if the user only
has 'rl' privileges.

(11) Incorporates fixes to bugs discovered after the 1.4.1 release.


Please Test and Submit Bug Reports:

Please assist us by testing this development release and providing
feedback. Bug reports should be filed to openafs-bugs@openafs.org.
Reports of success should be sent to openafs-info@openafs.org.

Jeffrey Altman
for the OpenAFS gatekeepers


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