Copy/paste from announcement today. Summary of System z relevant
changes below:
--------------
Red Hat is pleased to announce the availability of 4.7
(kernel-2.6.9-78.EL) for the Red Hat Enterprise Linux 4
family of products.
This release includes the following improvements:
* Encryption and Security Enhancements
- shadow-utils, authconfig, pam, anaconda, and libuser
now support generation of SHA-256 and SHA-512 hashes
in order to meet government requirements
- Added the aide (Advanced Intrusion Detection
Environment) package to allow file system integrity
testing
* Tuning and Debugging: systemtap
- Production support
- New support for unprivileged users
- Includes reference manuals
- Post-crash trace data recovery
(Note: avoid overbroad probe wildcards)
- User-space probing will not be available in RHEL4
* Networking and IPv6 Enablement
[snip]
- Improved reliability of autofs
* Storage Improvements
[snip]
- Added ability to vgsplit an active Volume Group where
the split involves only inactive LVs
- Enhanced partition statistics
* Platform Enhancements
- Extended floating point exception handler
- Updated zfcp driver to include bugfixes
- Updated qdio driver to fix FCP/SCSI write IO stagnates
on LPAR
- Updated cio driver to include bugfixes
* Kernel Improvements
- General Features
[snip]
+ Updated NMI infrastructure to latest (2.6.25)
+ Added Task IO accounting
+ Added partition statistics to 'iostat' command
+ Added IO task accounting to getrusage() call
+ Added enumeration of pagecache pages in show_mem()'s
output
+ Removed Tux's O_ATOMICLOOKUP flag from open() system
call
+ Exported process limits through /proc/<pid>/limits
+ Added TCP_RTO_MIN
+ Implemented udp_poll() to reduce likelihood of false
positive return from select()
+ Added "nfs.enable_ino64" boot command line parameter
to enable/disable 32-bit inode numbers
+ Added /proc/sys/vm/nfs-writeback-lowmem-only to fix
NFS read performance regression
+ Added /proc/sys/vm/write-mapped tunable parameter
to help select faster NFS read performance
+ Updated CIFS to 1.50c
+ Added core dump masking support
+ autofs5 now supported
Accessing the Software
----------------------
Red Hat Enterprise Linux 4.7 is available to existing
Red Hat Enterprise Linux subscribers via RHN. The
channels will automatically appear in your account.
Installable binary and source ISO images are available
via Red Hat Network at:
https://rhn.redhat.com/network/software/download_isos_full.pxt
You will be required to log in using a valid RHN account
with active entitlements.
Red Hat Enterprise Linux 4.7 errata are available at:
https://rhn.redhat.com/
Red Hat Enterprise Linux 4 Release Notes are available at:
http://www.redhat.com/docs/manuals/enterprise/
Enjoy the Red Hat Enterprise Linux 4.7 release.
Sincerely,
The Red Hat Enterprise Linux Team
--
Brad Hinson <[EMAIL PROTECTED]>
Sr. Support Engineer Lead, System z
Red Hat, Inc.
(919) 754-4198
www.redhat.com/z
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