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Chapter 9. Installation and Booting
Installation on IBM System z with a network device in IPv6-only mode is now possible
Previously, when an IPv6-only network device was activated during initialization on IBM System z, a segmentation fault occurred and installation failed. The installer now handles these devices correctly, and no segmentation fault occurs, allowing installation to proceed. (BZ#1329171)
Adding a new EFI boot entry on a multipath device no longer fails
Previously, the
efibootmgr utility was run multiple times for each device in multipath, which led to duplicate boot entries and possible failure. With this update, a new EFI boot entry is added only once for the whole multipath device. (BZ#1346725)
The size of the output buffer in efibootmgr has been increased
Previously, the output of the
efibootmgr utility was sometimes truncated. The size of the output buffer has been increased, and now efibootmgr can show more detailed information. (BZ#1347283)
The gateway installation boot option now handles IPv6 addresses
Previously, the
gateway boot option in the installation system supported only IPv4 addresses. With this update, it is possible to configure an IPv6 gateway, using the gateway boot option, during installation. (BZ#1177984)
Thin provisioning can be successfully configured during installation
Due to changes in the way the LVM tools are packaged, the installation system raised an error while configuring thin provisioning. With this update, the installation environment is able to use these tools correctly, and thin provisioning can now be configured successfully. (BZ#1350296)
ifdown on a loopback device now works properly
In Red Hat Enterprise Linux version 6.7 and 6.8, executing the
ifdown command on a local loopback device failed to remove the device. A patch has been applied, and the removal of an existing loopback device using ifdown now succeeds. (BZ#1311811)
Scripts in initscripts handle static IPv6 address assignment more robustly
Previously, scripts in the initscripts package sometimes failed to correctly assign static IPv6 addresses if a Router Advertisement (RA) was received during system initialization. This bug has been fixed, and now the statically assigned address is correctly applied in the described situation. (BZ#1086388)
Decompression of initrd larger than 32 MB no longer fails in GRUB on SGI UV100/UV1000 hardware
Previously, decompressing the
initrd image in the GRUB boot loader could fail on SGI UV100 and UV1000 servers in cases where the image was loaded from a TFTP server and was larger than 32 MB. GRUB has been updated, and the initrd will now decompress successfully. (BZ#1124862)
The ifup-aliases script now sends gratuitous ARP updates when adding new IP addresses
When moving one or more IP aliases from one server to another, associated IP addresses may be unreachable for some time, depending on the Address Resolution Protocol (ARP) time-out value that is configured in the upstream router. This bug has been addressed in the initscripts package, and
ifup-aliases now updates other systems on the network significantly faster in this situation. (BZ#1320366)
The initscripts package now handles LVM2 correctly
Previously, due to a bug, the initscripts package sometimes caused errors during boot on systems with using version 2 of the Logical Volume Manager device mapper (LVM2). With this update, this bug is fixed, and systems with LVM2 now boot correctly. (BZ#1331684)
The netconsole utility now launches correctly
Previously, if
nameserver address lines were not present in the /etc/resolv.conf file, launching netconsole sometimes resulted in an error and netconsole did not start. The initscripts package has been updated, and netconsole now starts correctly in this situation. (BZ#1278519)
The service network stop command no longer attempts to stop services which are already stopped
Previously, when a tunnel interface was present, the
service network stop command incorrectly attempted to stop services which had been stopped already, displaying an error message. With this update, this bug is fixed, and the service network stop command now only stops running services. (BZ#1315018)
The dhclient command no longer incorrectly uses localhost when hostname is not set
The
dhclient command incorrectly sent localhost to the DHCP server as the host name when the hostname variable was not set. This has been fixed, and dhclient no longer sends an incorrect host name in these situations. (BZ#1350602)
