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Hello, RHAS 2.1 ocfs -1.0.12.1 We have to exchange our current disksystem (from /dev/sdbX to /dev/emcpowera). Planned is to create partitons with the same name like on the old device and then simply copy the files to the new device. Question is now whether there is any impact (similar to change of NIC) on configuration,etc? As far as i know ocfs saves device-informat...

...(mostly MS windows clients), than the IO-write performance on the host becomes very bad. The guest os's do not do anything, just having them started, sitting at the login prompt, is enough to trigger the problem. The host has plenty of 4G of RAM, and all clients fit easily into the space. The disksystem is a RAID5 (ok, not the fastest choice). Both hosts are running the latest CentOS 5.2 (but the problem was already present in 5.0 as well), and running the latest production version of VMWare server 1.0.7 (but when running 1.0.5 the problem was there too). One host as an adaptec 2820 with 4 SATA...

...te scale-out NAS solutions http://www-03.ibm.com/systems/storage/network/sonas/ , which highlights a few of the features available with GPFS) There's no problem running GPFS on other vendors disk systems. I've used Nexsan SATAboy earlier, for a HPC cluster. One can easily move from one disksystem to another without downtime. Cons: It has it's own page cache, staticly configured. So you don't get the "all available memory used for page caching" behaviour as you normally do on linux. There is a kernel module that needs to be rebuilt on every upgrade. It's a simple...