Nothing like a bit of Hyperbole, but some days are better than others! One thing I have learned over the years is to always expect the unexpected. Yesterday’s ‘unexpected‘ was one of these; That’s cool, HA kicked in and the stranded guests began to Continue Reading
ESXi
VAAI- Hear me now, believe me later
VAAI (vStorage API for Array Integration) was first introduced into vSphere in v4.1 with promises of deeper integration and control over supported storage Arrays. Each feature (or Primitve) was designed to help us gain benefits from our Arrays. Vendors who didn’t support VAAI were frowned upon and those delivering on Continue Reading
VMware ESXi CBT Bug – Your data may be at risk
Changed Block Tracking (CBT) is a great feature introduced in ESXi 4.0, that effectively brought incremental backup technology to our virtual machines. Third parties were able to leverage this so backups would only require the processing of blocks that have changed rather than all blocks. This saved inordinate amounts of time, Continue Reading
Shellshock BASH exploit — Vulnerable ?
** Edit, 9th October — Many EMC products now have patches available ** VNX Series1 VNX Series2 XtremIO VNXe –Get busy ! On the 24th September, a series of CVE (Common Vulnerabilities & Exposure) incidents were Continue Reading
vSphere – “Another task is already in progress..” fix with esxcli
I recently had the ‘pleasure’ of an unresponsive vm that had basically turned into a ZOMBIE ! It could not be restarted, edited, snapshot’d and was of course, unresponsive from an OS perspective (No RDP, ping or comms just totally off the air) Any attempted operation from the vSphere client returned Continue Reading
PowerCLI for basic vCenter/ESXi config management
Many admins use Host Profiles, vCM, vCOPS and the like to ensure element compliance within their VI inventory. While these can be fine solutions, many companies do not have the luxury of owning these products. In many cases the targeted use of powerCLI commands across your environment can help to Continue Reading