2014-04-13 | 0 comments
Here is an example of demoting two GPFS servers named foonsd1 and foonsd2 into being regular GPFS clients. This means removing them from being part of cluster “quorum”, declaring that it is to be a client node (ie, can not … Continue reading
2014-04-13 | 2 Comments
It is possible to move a complete GPFS filesystem between clusters with the mmexportfs and mmimportfs commands. I’ve found this useful for preparing a complete filesystem and populating it with data before shipping it to a remote site. Preparing the … Continue reading
2014-04-13 | 0 comments
cut is an incredibly use command but it can be frustrating to use on columar data with a variable number of spaces between columns. awk is often a better alternative in that case but, IMHO, it often feels more nature … Continue reading
2014-04-09 | 0 comments
(If you haven’t heard about the heartbleed vulnerability yet you should consider to coming out of your pocket universe more often…) In an amazingly short turn around time since the issue was publicly disclosed, Filippo Valsorda has put up a … Continue reading
2014-04-01 | 0 comments
# pcs cluster unstandby pollux1 Error: node ‘pollux1’ does not appear to exist in configuration I hit this error message from Pacemaker pcs util while trying to bring nodes out of standby after having put them into that state with … Continue reading