Not even two weeks after the release of Red Hat Enterprise Linux 6.2, both the free CentOS project as well as the commercial arm “Oracle Linux” has released updated versions of their products. With the release of CentOS nch follows nearly a week the release of version 6.1.
CentOS is based on Red Hat Enterprise Linux (RHEL) 6.2 . As this includes the free reproduction of an extended kernel 2.6.32. In addition, the compression of the file has been converted to LZMA initrd.img, which leads to smaller files, among other things. For the network installation can now static IPv6 addresses are used.
Furthermore, the developers have taken driver complemented by Red Hat.
The SCSI driver qla4xxx was modified so that not the firmware, but open-iscsi responsible for the iSCSI administration. In addition, some SCSI drivers have been optimized to make do with fewer locks. In the XFS file system area were, Parallel NFS and CIFS updates.
In the network area of the system call came sendmmsg to send multiple packets at once, Transmit Packet Steering (XPS) and other measures to increase the added speed. It also gave greater improvements in virtualization, KVM and Xen. The former has, among other things, a higher network speeds and supports USB 2.0, supports the latter including Memory ballooning.