Forgot to mention kernel update
Kernel version 2.6.16.9, so I will supply its config file here config-2.6.16.9.txt. Same procedure as before.
Good luck.
Kernel version 2.6.16.9, so I will supply its config file here config-2.6.16.9.txt. Same procedure as before.
Good luck.
Powered by YARPP.
This post is for the users of the great dm-multipath system in Linux, who encounter a major availability problem when attempting a resize of mpath devices (and their partitions), and find themselves scheduling a reboot. This documented is based on a document created by IBM called “Hot Resize Multipath Storage Volume on Linux with SVC”,…
In the past I hacked around a problem with the order of starting (and with several bugs) a network stack combined of network bonding (teaming) + VLAN tagging, and then with network bridging (aka – Xen bridges). This kind of setup is very useful for introducing VLAN networks to guest VMs. This works well on…
I had one of my computers die a short while ago. I wanted to get the data inside its disk into another computer. Using the magical and rather cheap USB2SATA I was able to connect the disk, however, the disk was part of a software mirror (md device) and had LVM on it. Gets a…
Cluster fencing – Unlike many common thoughts, high-availability is not the highest priority of an high-availability cluster, but only the 2nd one. The highest priority of an high-availability cluster is maintenance of data integrity by prevention of multiple concurrent access of nodes to the shared disk. On different cluster, depending on the vendor, this can…
I’ve been to Hostopia today. The land of hosting servers. I’ve had an emergency job on one Linux server, due to a mistake I’ve made. It appears that the performance hindrance of using raid0 instead of raid1 (Centos/RH default raid setup is raid0 and not raid1, which led me to this mistake) for the root…
Nowadays, when LVM2 is common and is actually the default in installation of RedHat based distributions, using its snapshot capabilities can save lots of grief when files are deleted or when you need to revert to a day in the past – both for your files and for your MySQL DB. I have created a…