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Dell Server admin tools (srvadmin) on Centos 5/XenServer
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…
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Migration of Oracle GI quorum disk to another diskgroup
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…
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Connecting EMC/NetApp shelves as JBOD to a Linux machine
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…
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XenServer 6.5 PCI-Passthrough
While searching the web for how to perform PCI-Passthrough on XenServers, we mostly get info about previous versions. Since I have just completed setting up PCI-Passthrough on XenServer version 6. 5 (with recent update 8, just to give you some notion of the exact time frame), I am sharing it here. Hardware: Cisco UCS blades,…
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Redhat Cluster and Citrix XenServer
I wanted to write down a guide for RHCS on RHEL/Centos6 and XenServer. If you want to do that, you need to go through two major challenges which you will encounter. I want to save on the search and sum it all up together here. The first difficulty is the shared disk. In order to…