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…
The trick is simple, and many of those who deal with HA cluster get at least once to such a setup – have HA cluster without HA. Yep. Single node, just to make sure you know how to get this system to play. I have just completed it with Linux Heartbeat, and wish to share…
I have installed today an HP-UX 11i V2 on PA-Risc server, and it went quite fine. I have used the “Technical Environment” DVDs for installation, and it went fine. I was unable to find, however, the Raid1 (Mirror) tools for the LVM. Symptoms: There is no parameter “-m” to “lvextend“. According to documentaion (or even…
First and foremost – the Ontap simulator, a great tool which surely can assist in learning NetApp interface and utilization, lacks in performance. It has some built-in limitations – No FCP, no disks (virtual disks) larger than 1GB (per my trial-and-error. I might find out I was wrong somehow, and put in on this website),…
