kSar is one of the best tools to display an easy chart based on your system’s SAR metrics collection. kSar has not been developed since sometime in 2013, and it lacks the ability to parse modern Linux sysstat charts, leaving us with some missing info. However – some good soul has taken kSar and forked…
I have created an RPM package, and SRPM package, which I will share here, for smartmontools version 6.5 on RHEL 6. Note that the official version is 5.43 which is clueless with many modern SSD disks. I have yet to test it correctly, and in general – use at your own risk. smartmontools-6-5-1-el6-src
Recently, with the release of a new 8.x version of Dell SrvAdmin tools, the Centos/RHEL5 (and XenServer, by the way) repositories disappeared. It appears that Dell will not support the RHEL5.x brands anymore. The proper solution is to install the last 7 SrvAdmin tools, as can be shown in this site. This solves the problem…
When installing Oracle RAC (or in its more modern name – GI) version 11.2.0.1 and above, you can use Oracle ASM DiskGroup as your CRS+Voting file location. It is fairly simple changing the disk membership in Oracle ASM DiskGroup, however, when you face some unknown bugs which prevent you from doing just that, or when you are required…
Let’s say you have old shelves of either EMC or NetApp with SAS or SATA disks in them. And let’s say you want to connect them via FC to a Linux machine and have some nice ZFS machine/cluster, or whatever else. There are few things to know, and to attend in order for it to…
