Category Archives: ESXi issue

Datastore with NFS4 slowness issue and Netapp\VMware findings.

Posted on October 20, 2022 by Ganadmin

Already mentioned in my previous blog here about the NFS 4 slowness issue compared to the NFS3 and we captured the packets and worked with the Netapp, below are the findings of our test when we tried ls -lahR | … Continue reading →

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NFSv3 datastore is much faster than NFSv4

Posted on August 26, 2022 by Ganadmin

Recently we have noticed in a few datastore the search operation is taking more time than expected and in our testing, it was identified that compare to NFSv4, NFSv3 results are better. Our testing is to first list files from … Continue reading →

Posted in ESX command, ESXi issue, ESXi Patches, logs, VCSA6.7, vcsa7.0, VCSA8.0, VMware | Tagged , , , , | Leave a comment

Issue on SSH login to the ESXi 6.7 host with the AD user account

Posted on April 30, 2021 by Ganadmin

We were not able to login to the ESXi ssh using the AD account and when we tried to leave the account or add the domain it is getting failed. [root@esx:~] /usr/lib/vmware/likewise/bin/domainjoin-cli join prd.com admin – While adding the host … Continue reading →

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Packet drop issue on HP Gen 9 \ Gen 10 servers running ESXi6.7.

Posted on January 31, 2021 by Ganadmin

We have noticed the packet drop on all of our HP BL460c Gen 9 \ Gen 10 across the region which is running ESXi, 6.7.0, 16316930 and the Network adapter presently installed on the server is HPE FlexFabric 10Gb 2-port 536FLB … Continue reading →

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Steps to blacklist the problematic DCs in VMware VCSA 6.7U3

Posted on September 21, 2020 by Ganadmin

We had a DNS issue in one of the DC running active directory integrated  DNS service and it caused our vCenter to fail to connect the domain in AD so we have changed the  DNS to the IPs which is … Continue reading →

Posted in ESXi issue, Vcenter Appliance, vCSA 6.0, VCSA6.5, VCSA6.7, VMware | Tagged , , , | Leave a comment

vCenter VPXD crashes because of high memory.

Posted on July 31, 2020 by Ganadmin

We have a vcenter environment with around  500 ESXi hosts running on multiple clusters and for the past several weeks we had the issue of Vcetner down because of VPXD crash and the service will be in stopped status. VMware … Continue reading →

Posted in ESXi issue, Vcenter Appliance, vCSA 6.0, VCSA6.5, VCSA6.7, VMware, VPXD | Tagged , , , | Leave a comment

Bug in network introspection driver (vnetflt.sys) VMtools 11265 (11.0.1)

Posted on February 13, 2020 by Ganadmin

Recently we have upgraded the VMtools version from 10.305\10.346 to 11265 – 11.0.1 and we noticed few VMs went to hung status and noticed the below alert in windows VMs. vmware.log: 2020-02-07T12:50:58.182Z| vcpu-0| I125: Guest: vsep: AUDIT: VFileSocketMgrCloseSocket : Mux … Continue reading →

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Posted in ESXi issue, NSX 6.1.4, Vcenter Appliance, vCSA 6.0, VCSA6.5, VMs, VMtools issue, VMware, Vnic, vShield, Windows | Tagged , , | Leave a comment

Solution for the SMB1 AD Authentication issue – ESXi 6.5U3 update

Posted on July 31, 2019 by Ganadmin

As per my previous blog on SMB1 AD authentication issue in 6.5u1 , VMware communicated that it will be fixed  after the 6.7 U2 update but it looks like in the recent 6.5 U3 update it got fixed.In the release … Continue reading →

Posted in ESX command, ESXi issue, ESXi Patches, VC6.0 Appliance Installation Issue, vCSA 6.0, VCSA6.5, VMware | Tagged , | Leave a comment

VCSA Shell is disabled.

Posted on June 30, 2019 by Ganadmin

One of our VC is down because of the space issue and not able to login to the Shell. Followed the below steps to fix the same. Accessed the VCSA on Grub mode Found “/” and /storage/log partitions were full. … Continue reading →

Posted in ESXi issue, Vcenter Appliance, vCSA 6.0, VCSA6.5, VMware | Tagged , , , | Leave a comment

EVC Mode on cluster for encryption

Posted on April 30, 2019 by Ganadmin

In our POC for our new application , noticed the significant differences on the performance on two different environment which is running on same hardware model.Even though the network layer is different from the environment A and B  the issue … Continue reading →

Posted in Dell, ESXi issue, HP, Vcenter Appliance, vCSA 6.0, VCSA6.5, VMware | Tagged , , | Leave a comment