As I mentioned in a previous post I started looking into upgrading my Dell XPS 8700 see https://blog.voina.it/?p=325. One of the possibilities I mentioned there was a memory upgrade from the 16GB of the original configuration to the maximum of 32GB. By doubling the memory size I can run a 4th instance of my Fedora… Read More »
Red Hat Enterprise Linux allows administrators to bind multiple network interfaces together into a single channel using the bonding kernel module and a special network interface called a channel bonding interface. Channel bonding enables two or more network interfaces to act as one, simultaneously increasing the bandwidth and providing redundancy. The behaviour of the bonded… Read More »
My desktop Dell XPS 8700 is a beast even after more than 2 years of the official release. The problem with it is that in a typical big corporate fashion it contains an unbalanced set of hardware: * A very fast processor * 16GB of memory (4x4GB so not so up-gradable to the 32GB maximum)… Read More »
As a big fan of the HP Microserver Gen8 (I own 3 of them in two locations) I compiled my own list of compatible hardware that I am using or used in building the servers.I have to thank the good fan forums that I always consult previous of buying new hardware for my HP Microservers… Read More »
1 General Considerations Our example enterprise applications run on a Linux Cluster with a shared cluster storage resource. Having this HA setup ensures that we have a high rate of service availability on the production site. To ensure that the disruption time in service of our enterprise application is minimal as possible the best solution… Read More »
The following configuration was created to use the iSCSI exported resources from a NetApp storage device as shared disk resources in a Linux cluster environment. The same resources are also replicated to a remote cluster using DRBD disk replication. The production environment contains four exported SAN resources which will be used as shared resources in… Read More »
All started when I wanted to have a true HA configuration for the server nodes. That implies that not only the storage of each server is a RAID10 setup, but also the boot and root resources are in a RAID1 configuration. I started to use an old and known tutorial to convert from standard installation… Read More »
A good way to backup the OS of the servers is to use rear Relax and Recover. Following are the steps to ensure that we have a proper rescue data set for both servers. STEP 1: Install rear from the Fedora repo on both nas1 and nas2 [root@nas1 ~]# dnf install rear [root@nas2 ~]# dnf… Read More »
The following are the steps to set up LTFS with a HP Ultrium 3000 and Fedora. STEP 1: Download from HP site and install HP Library & Tape Tools (hp_ltt418_linux_x86_64.tar). STEP 2: Download the HP Store Open Standalone binaries for RHEL x64 from the HP website. (HP_StoreOpen_Standalone_2.3.0_for_RHELx64_Z7550-01726.tar.gz) STEP 3: Install the rpm on Fedora Linux.… Read More »
As the home environment becomes more complicated the need for an integrated whole solution for the entire environment was necessary. I already have an automatic backup setup using Barracuda Yosemite Server Backup, but this is only for one server (nas1) where OwnCloud is residing. The daily backup job in fact does a backup only for… Read More »