All Path Down – Virtualization, DBaaS & Whatever Crosses My Mind

Heads up! LUNs attached to VMware vSphere 6.0 hosts may remain in APD Timeout state

magander — Thu, 30 Jul 2015 08:36:13 +0000

28 July VMware released a knowledgeable article describing a problem with ESXi 6.0 and the All Path Down (APD). The problem is that a LUN that have experienced an APD state never exist the APD state and the LUN is not accessible from the ESXi host even though the connection between the ESXi host and the …

vSphere 6.0 blog – VM Component Protection

magander — Tue, 07 Jul 2015 20:05:46 +0000

During the past weeks i have received a couple of questions about the VM Component Protection (VMCP) feature introduced in vSphere 6.0. The VMCP feature adds another layer of protection for the virtual machines since you can configure different behaviours for different storage related problem such as All Path Down (APD) and Permanent Device Loss (PDL). I know …

vSphere ESXi 5.5U1 and NFS All Path Down patch

magander — Wed, 11 Jun 2014 05:52:37 +0000

As you might know there has been a known issue with vSphere ESXi 5.5U1 where the ESXi host intermittently can lose NFS connectivity and an All Paths Down (APD) is observed. This issue could result in: Blue screen in Windows based virtual machines Read only file systems for Linux based virtual machines. The patch also fixes the …