/Tag:esxi

ESXi host issue: VMs doesn’t start, Insufficient Resources

We had an ESXi host with an issue when powering any VM.  When users click the start button, always have an error "Insufficient Resources." Was a strange error, since we know that this ESXi host has enough resources to run more VMs. So we need to troubleshoot the issue and check what is triggering this [...]

By | 2018-11-26T00:37:39+01:00 June 6th, 2016|VMware Posts|3 Comments

ESXi 6.0 reports “error code: 15” during Remediate update in VUM operation

Another vCenter another ESXi with problems applying last updates. In this case, it is an HP DL360 G9 with ESXi 6.0 build 3568940. Using VMware Update Manager to scan, it shows 17 updates to install. The stage is 7(the rest are older versions). When remediating the host, we get this: Remediate entity esxi721.localdomain. The host [...]

By | 2022-03-29T12:26:32+02:00 April 25th, 2016|vCenter, VMware Posts|13 Comments

VMware: What new in vCenter and vSphere 6.0 Update 2

VMware launched a couple of days a new update(update 2) for vCenter 6.0 and also ESXi. What is new: vCenter Update 2 Features: Two-factor authentication for vSphere Web Client: Protect the vSphere Web Client using the following form of authentication: RSA SecurID Smart card (That is the UPN based Common Access Card) Support to change [...]

By | 2017-12-30T02:50:12+01:00 March 19th, 2016|VMware Posts|0 Comments

VMware: ESXi 5.5 update – No coredump target has been configured. Host core dumps cannot be saved

Today after update(just apply the latest bug fix and security patches) our ESXi 5.5 farm had a strange issue. Applying VMware update in 8 ESXi 5.5 HP DL360 Gen9, after the reboot I had the same issue in all hosts Warning: No coredump has been configured. Host core dumps cannot be saved First I try [...]

By | 2017-12-30T02:50:12+01:00 February 27th, 2016|VMware Posts|1 Comment

How to install and Enable VAAI NetApp® NFS Plug-in in VMware

Lets start to have a small explanation what is VAAI(vStorage API for Array Integration ) and what are the benefits using it. VAAI is an API framework in VMware that enable some Storage tasks. It first presented in ESXi 4.1, but only after 5.x supports hardware acceleration with NAS storage devices. Allows certain I/O operations [...]

By | 2017-12-30T02:50:12+01:00 January 16th, 2016|Storage, VMware Posts|0 Comments

VMware: ESXi 5.5 Upgrade to 6 – Invalid argument when creating vfat file system

Today when we try to upgrade one of our ESXi host we had a strange error. There was an issue with one of the partitions and somehow the ESXi install was not able to reformat the partition for the upgrade. Maybe because a previous wrong configuration on the partitions. VMware KB says: "The upgrade attempts [...]

By | 2017-12-30T02:50:12+01:00 September 27th, 2015|VMware Posts|1 Comment

VMware: How to upgrade ESXi 5.x to ESXi 6.x

After we have upgraded our vCenter from 5.0 to 6.x, we now need to upgrade our ESXi hosts. We can upgrade using an ESXi ISO image directly boot the host and manually go through the process and upgrade the ESXi, or we can use the VMware Update Manager to do this automatically. We will explain [...]

By | 2018-12-03T15:02:15+01:00 September 3rd, 2015|VMware Posts|0 Comments

VMware: ESXi – hp-ams memory leak

A couple of moths or so, we had a strange/critical problem with our hosts(ESXi 5.1) in one our vCenter(v5.1). All hosts(around 20) start with a strange behavior. VMs were not able to start/stop or vMotion. On the hosts we cannot start or stop any service. When we try to go the ESXi console/shell we get [...]

By | 2017-12-30T02:50:13+01:00 December 12th, 2014|VMware Posts|0 Comments

VMware: ESXi 5.x HP NIC’s not found after firmware update

When applying the HP Smart Update Manager (HP SUM) or the HP Service Pack for ProLiant on your HP servers your Network cards may stop working. In ESXi NIC's will not be found after firmware(in 5.x). Problem will occur in the models:    HP NC373T PCIe Multifunction Gig Server Adapter    HP NC373F PCIe Multifunction [...]

By | 2017-12-30T02:50:13+01:00 June 14th, 2014|VMware Posts|0 Comments

VMware: ESXi requires No-Execute Memory Protection enabled

Today building my new Virtual Home LAB I had an issue with my new HP DL360-G5. Note: VMware doesn't support ESXi 5.5 running on DL360-G5(in this case Intel Xeon 5150). But it runs smoothly without any issues. Even is not VMware supported in the HCL. When I was installing ESXi 5.5 (HP-5.73.21 build) on this [...]

By | 2017-12-30T02:50:13+01:00 May 30th, 2014|VMware Posts|0 Comments