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pm_qos) infrastructure has been added in Red Hat Enterprise Linux 5.8. The pm_qos interface provides a kernel and user mode interface for registering performance expectations by drivers, subsystems and user space applications for one of the currently supported pm_qos parameters: cpu_dma_latency, network_latency, network_throughput. For more information, refer to /usr/share/doc/kernel-doc-<VERSION>/Documentation/power/pm_qos_interface.txt.
configure-pe RTAS callconfigure-pe RTAS (RunTime Abstraction Services) call on the PowerPC platform has been added.
/proc/sysvipc/shm file (which provides a list of shared memory in use) now contains the RSS (Resident Set Size—portion of the process residing in the memory) and swap size information.
CONFIG_SERIAL_8250_NR_UARTS parameter defines the maximum number of serial interfaces supported by the kernel. In Red Hat Enterprise Linux 5.8, the value of CONFIG_SERIAL_8250_NR_UARTS parameter has been increased to 64 for systems which have more than 32 (and up to 64) console connections.
blacklist option in /etc/kdump.conf blacklist option is now available for Kdump configuration. This option prevents modules from being loaded in initramfs. For more information, refer to the kdump.conf(5) manual page.
fnic and iscsi support in Kdump initrdfnic and iscsi drivers has been added to Kdump's initial RAM disk (initrd).
/etc/kdump.conf file.
ipr driver for IBM Power Linux RAID SCSI HBAs has been updated to enable SAS VRAID functions and add definitions for new adapters.
megaraid driver has been updated to version 5.40, which provides a fix for FastPath I/O to work with degraded RAID 1.
qla2xxx 4G and 8G driver firmware was updated to version 5.06.01.
qla2xxx driver for QLogic Fibre Channel HBAs has been updated to version 8.03.07.09.05.08-k, which provides support for ISP82xx to capture a dump (a minidump) on when failure occurs.
qla4xxx driver has been updated to version 5.02.04.00.05.08-d0.
lpfc driver for Emulex Fibre Channel Host Bus Adapters has been updated to version 8.2.0.108.1p.
cciss driver has been updated to the latest version, which adds a command line switch to provide support for CCISS simple mode.
be2iscsi driver for ServerEngines BladeEngine 2 Open iSCSI devices has been updated to support the pci_disable device option and a shutdown routine.
bnx2i driver for Broadcom NetXtreme II iSCSI has been updated to version 2.7.0.3.
bfa firmware was updated to version 3.0.2.2.
bfa driver was updated to include the following enhancements:
mpt2sas driver was updated to version 09.100.00.00, which adds support for customer specific branding.
mptsas driver was updated to version 3.04.20rh.
isci driver has been updated to add type safety to the state machine interface and support for Intel's next chipset.
uIP driver has been updated to version 0.7.0.12 as a part of the updated iscsi-initiator-utils package.
megaraid_sas driver has been updated to version 5.40-rh1.
bnx2x driver firmware has been updated to version 7.0.23, which provides support for new Broadcom 578xx chips.
bnx2x driver has been updated to version 1.70.x.
bnx2i driver has been updated to version 2.7.0.3+.
bnx2 driver has been updated to version 2.1.11.
cnic driver has been updated to version 2.5.3+.
cxgb3 driver for the Chelsio T3 family of network devices has been updated to the latest upstream version.
cxgb4 driver for Chelsio Terminator4 10G Unified Wire Network Controllers has been updated to the latest upstream version.
iw_cxgb4 driver has been updated to the latest upstream version.
netxen_nic driver has been updated to version 4.0.77, which adds support for VLAN RX HW acceleration.
tg3 driver for Broadcom Tigon3 Ethernet devices has been updated to version 3.119.
ixgbe driver for Intel 10 Gigabit PCI Express network devices has been updated to upstream version 3.4.8-k.
ixgbevf driver has been updated to upstream version 2.1.0-k.
igbvf driver has been updated to the latest upstream version.
igb driver for Intel Gigabit Ethernet Adapters has been updated to the latest upstream version, which adds entropy support.
e1000e driver for Intel 82563/6/7, 82571/2/3/4/7/8/9, and 82583 PCI-E family of controllers has been updated to version 1.4.4.
e1000 driver for Intel PRO/1000 PCI and PCI-X family of adapters has been updated to the latest upstream version.
bna driver has been updated to version 3.0.2.2, which provides support for the Brocade 1860 AnyIO Fabric Adapter.
qlge driver has been updated to version 1.00.00.29.
qlcnic driver for HP NC-Series QLogic 10 Gigabit Server Adapters has been updated to version 5.0.18.
be2net driver for ServerEngines BladeEngine2 10Gbps network devices has been updated to the latest upstream version.
enic driver for Cisco 10G Ethernet devices has been updated to version 2.1.1.24.
nbd driver has been updated to add a user-settable timeout (NBD_SET_TIMEOUT) for I/O operations.
i810 graphics driver (provided by the xorg-x11-drv-i810 package) has been updated to fix various bugs for the family of 32nm processors with Intel Integrated Graphics (codenamed IronLake).
mga video card driver has been updated to provide full resolution support for ServerEngines Pilot 3 (Kronos 3) chips.
--nosync option for CLVM mirrored volume extension--nosync option for extending mirrored logical volumes. When the --nosync option is specified, extending a clustered mirrored logical volume does not cause the volume to get synchronized after the extension, potentially skipping resource intensive synchronization of empty data.
lvextend command with the -r/--resizefs option, the ext4 file system automatically re-sizes itself. Performing a manual re-size with the resize2fs is no longer required.
multipath_component_detection option in the /etc/lvm/lvm.conf.
/etc/sssd/sssd.conf file:
override_homedir
allowed_shells
vetoed_shells
shell_fallback
override_gid
/etc/pki/tls/certs/ca-bundle.crt file (which contains trusted root CA certificates).
-") in their name, such as i2c-core are now handled properly.
process.mark now supports $$parms for reading probe parameters.
--remote USER@HOST functionality can now be specified multiple times and will automatically build the script for distinct kernel and architecture configurations, and run it on all named machines at once.
tz_ctime() function prints the local time zone time.
HZ() and jiffies() functions have been added for lightweight approximate time keeping.
connectiontimeout parameter for httpdhttpd service includes a new connectiontimout parameter which specifies the amount of time the service should wait for the creation of a connection to the back-end to complete. By specifying this parameter, the number of timeout errors propagated to the client when using load balancing via Apache is greatly reduced.
reload optioniptables services now includes a reload option which refreshes iptables rules without unloading/reloading the modules and dropping any already-established connections.
httpd service restart after an upgradehttpd service is now automatically restarted after the httpd package is upgraded.
ssl_request_cert option for vsftpdssl_request_cert option which allows client certificate checks to be disabled. If enabled, vsftpd requests (but not necessarily requires) a certificate on incoming SSL connections. The default setting for this option (in the /etc/vsftpd/vsftpd.conf file) is Yes.
| Revision History | |||
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| Revision 1-0 | Thu Feb 21 2012 | ||
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