7z

If you're faced with a 7z file then you need a program like 7za to extract these archives. If your distribution has no 7z package you need to download the sources first:

SSD TRIM

Since I have my new SSD (SanDisk SDSSDHP128G) I read a little about performance tuning for SSD's etc. One thing I read was to activate trim (if possible) and to deactivate noatime during mounting. I have only one SSD where I store my entire operating system on so the partition layout is fairly simple:

importvg failed

The situation so far: a customer has two systems with a couple of luns presented to them. Two luns (hdisk2 and hdisk7) were imported as testvg on Node 2. Exporting the VG on Node 2 worked fine, importing on Node 1 failed (unfortuanatly I've no error message here). First I checked the physical volumes (note that I only take a closer look at hdisk2 and hdisk7 which belongs to the VG testvg):

unrar

When you need to extract a RAR archive then you need unrar. Depending on your distribution you need to install unrar first. I use Slackware so I have to download the source and compile them. The first step is to download the sources: