[OpenAFS-announce] OpenAFS 1.5.68 released (Production Version for Windows; Test Version
for other platforms)
Jeffrey Altman
openafs-info@openafs.org
Tue, 08 Dec 2009 18:04:57 -0500
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1.5.68 is the recommended production-ready release of OpenAFS for
Microsoft Windows users. It supports all Microsoft Windows operating
systems from Windows 2000 through Windows 7 and Windows Server
2008 R2 including both 32-bit and 64-bit architectures. The 1.5.68
release continues the recent efforts at optimizing the performance of
the Windows client and improving its scalability. The 1.5.68 Windows
client is fully compatible with all AFS server versions.
For UNIX, Linux, and MacOS X (including Snow Leopard) the recommended
production-ready release of OpenAFS is 1.4.11.
Please visit http://www.openafs.org/windows.html for up to date
information on the status of the OpenAFS for Windows client.
Microsoft Windows:
This production release is a major release. Important changes since
1.5.66 (there was no 1.5.67) include:
* Set the DOS Readonly attribute on a file/directory
whenever the unix mode combined with the mask 0200
is true. Previously there was a discrepency between
the mask used for testing for readonly behavior and
that used for setting the attribute.
* Disable AFSVolSync based .readonly "whole-volume callback"
support because the all file servers prior to 1.5.67
(and perhaps 1.4.12) do not properly assign a value to
the AFSVolSync structure in bulk status RPC responses.
* Improve the error output from aklog to output the value
from krb5 error_message() if the afs_com_err output
indicates an unknown value.
* Convert VBUSY and VRESTARTING to CM_ERROR_ALLBUSY and
do not permit them to be exposed to the smb redirector.
* Convert STATUS_TIMEOUT responses to STATUS_IO_TIMEOUT
to avoid confusion within the smb redirector.
* Fix the byte order assigned to port numbers associated
with AFSDB record lookups. They must be network byte
order not host byte order.
* Add dynamic server ranking based on RPC round trip
time measurements.
All server platforms:
* Compute midnight for volume statistics calculation from local time.
* Salvager now orphans duplicate special inodes when running to allow
recovery in event of a problem, instead of simply ignoring the issue.
* Support to ensure a server panic attempt leaves a core and thus
restarts in a timely manner, rather than potentially hanging. Use
panic to attempt cleanup before leaving a core when possible.
* Volume sync data reported during bulkstatus is now set correctly.
* Provide better tuning for fileserver file descriptor caching.
* Allow more than 128 threads in fileserver by modifying host
structure in-use tracking.
* Avoid crashes getting volume server status during transaction cleanup.
* Improved logging of offline volume conditions.
* Correct volume statistics when cloning a volume.
* Avoid referencing host structures in the fileserver which are marked
for deletion.
* Demand attach fileserver corrections to avoid coring during an aborted
startup.
* host array bounds checking corrections to avoid buffer overflow.
* Handle special inodes correctly when promoting an inode fileserver
readonly volume to read-write.
All UNIX platforms:
* Additional shutdown-time memory leaks removed.
* Improved logging of resource contention.
* Provide dumping for Rx debug packet tracking support in source.
* Update afscp test client to build, and provide an unlock client.
* Client buffers for directory parsing can now be allocated beyond the
fixed set formerly provided.
* Work around race condition when manipulating read-only volume
callbacks.
* Bugfixes to get PAG value pioctl.
* Bugfixes to SRV record support.
Linux:
* Path MTU tracking code cleanup.
* Avoid an oops due to racing with vcache recycling thread.
* Changes to keyring PAG handling: for sufficiently new kernels, use
only keyring-based PAGs, and disable group PAGs entirely.
* Updates to the kernel page cache interface: writing pages will now
not spuriously leak page locks, and will avoid requiring duplicate
work.
* Credential references are now tracked using native atomic counters.
* Kernel mutex/semaphore lock ordering fix to avoid deadlocks.
* Manipulate disk cache with credentials used to initialize it, to
avoid security issues.
MacOS:
* Fix fstrace message catalog location.
* Fix kernel fstrace logging.
All platforms:
* aklog now attempts to convert non-AFS errors to human-readable
strings.
* Make stack not executable when compiling assembler source with GCC.
* Numerous source warning cleanups and code reorganization.
This release is the recommended production release for all
Microsoft Windows environments.
Source code and binaries can be downloaded from
http://www.openafs.org/windows.html
http://www.openafs.org/release/openafs-1.5.68.html
Please send reports of successful deployments to
openafs-info@openafs.org and report problems to openafs-bugs@openafs.org.
Jeffrey Altman
for the OpenAFS Gatekeepers
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