Recently one of our servers was hanged due to IPMI BMC failure. It is CentOS 6.3 OpenStack compute host serving KVM vitual machines with qcow2 backend. There was running a VM based on EC2 Ubintu ...
It is written everywhere that ZFS is helpful even if you only have one physical device, because it will tell you about data corruption due to bit decay and such. However, can it actually address such ...
I am trying to design a web site with backup in mind. Large media elements would be stored on the file system and a daily backup would be done both for the DB and the file-system (which would hold the ...
I am expecting to have a long backup on a certain database and I was wondering if the application can access (read only? read/write?) it while it is being backed up. If read/write access would be ...
What steps must one take to ensure that an otherwise defaultly-configured InnoDB server is truly ACID compliant? The InnoDB configuration page mentions that the hardware itself must be configured to ...
I have a diskless host 'A', that has a directory NFS mounted on server 'B'. A process on A writes to two files F1 and F2 in that directory, and a process on B monitors these files for changes. Assume ...