Questions tagged [vmware-vsan]

This tag should be used to request advice on VMware VSAN installation issues and configuration problems.

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votes
1answer
60 views

With a vsan issue where you cant access vcenter, should you ssh into all machines and power them down prior to restarting esxi host?

So I have a vsan cluster, 4 esxi hosts all contributing to vsan as well as compute. Vcenter lives in esxi01. Esxi01 is not responding and I cannot open the web gui. I can still ping every vm and ssh ...
0
votes
0answers
24 views

VMkernel memory consumed by vSAN

My organisation operates some clusters consisting of three ESXi-Hosts each with VMware 6.5. Two nodes act as HA cluster with vSAN, the third one is the witness. There are only three VMs on the two ...
1
vote
1answer
18 views

How could the vSAN datastore capacity be equal to the raw capacity of the physical disks in an all-flash cluster?

I have configured a new 3-node all-flash vSAN cluster as the default RAID 1 (only option). Each node has one cache drive and four capacity drives; the total capacity drive space of each node is 3280GB....
2
votes
1answer
55 views

Intermittent vSAN issue

I have a test lab deployment and am facing some issue in the first vSAN (4 nodes) creation (it works some times, and other times it doesn't) I'm trying to troubleshooting the issue as to when it doesn'...
4
votes
2answers
235 views

Highly available virtualized SQL Server on 2 ESXi hosts and one SAN storage

I have two ESXi hosts. I am planning on installing a SQL Server instance on each hosts and make them highly available. The two hosts are connected to one SAN storage. The storage is Dell EMC ...
3
votes
1answer
359 views

Creating a VSAN datastore

I am trying to set up my first HA cluster and I have some hard time digging into VSAN datastores. I have two ESXi hosts both with two 480 SSD hard drives in RAID 1 Can I add the existing hosts' ...
6
votes
2answers
247 views

vSphere Replication Performance Impact

We're planning to move some production workloads to a UCS environment using vSAN and all flash. We are looking at vSAN with replication as we have two identical nodes in two data centres. Is there a ...
4
votes
2answers
989 views

VSAN: Initialization for SSD Failed

ITNOA I have two SuperMicro servers and install ESXI 6.0.0 on both of them and create vSAN with them and installs all VMs on vsanStorage. and each of them have two SSD storage with RAID 1 and two HDD ...
3
votes
1answer
328 views

vsphere network design for vsan and ft-enabled cluster

I am looking for some recommendations on the network design for my ha-ft and all-flash-vsan-enabled vsphere cluster. I've planed around vsphere a bit, but newbie to vsan and ha/ft. I've Googled and ...
1
vote
1answer
230 views

Multicast to work on IPoIB with ESXi 6.5

My lab is running: ESXi, 6.5.0, 4887370 OFED 1.8.2.5 ConnectX-2 MHQH29C with 2.9.1000 IS5035 switch with subnet manager I followed the instructions here: 10Gb SFP+ single port = cheaper than dirt ...
-2
votes
1answer
76 views

One vmware vsan and two data stores

I have five servers in one vsan cluster and one distributed switch. I have two disk groups per server, for a total of ten disk groups. I would like to have the first disk group in each server to ...
3
votes
1answer
361 views

Specify which disk group a VM should use in VMWare VSAN

I have a small, two-node setup, plus the virtual VSAN witness virtual appliance. The two physical nodes are directly connected, using two 10GbE nics. Each node has two disk groups containing: Disk ...
4
votes
1answer
239 views

vmware vsan failures to tolerate

I'm migrating from an Solaris iSCSI backend in my lab to vSAN. I having difficulty understanding vSAN redundancy. I would like to configure a cluster to survive a host/disk failure. I know that "...
2
votes
0answers
82 views

Any suggestions on recovering from a 100% utilized vSAN?

I am seeking suggestions and comments on how to recover from a 100% full vSAN (without the obvious, reset to factory option). I have an 8 node ESXi cluster which runs entirely on a vSAN backing. Due ...
0
votes
2answers
676 views

VSAN Disk Space Utilization Failed alert

I've implemented VSAN in my home lab and I'm trying to understand why I'm receiving a "Disk Space Utilization" failed alert. The Cluster consists of a pair of servers and a Witness appliance. Each ...
2
votes
1answer
233 views

Confirm full evacuation of vSAN host

Just placed my first host running VSAN 6.2 in to maintenance mode and selected full evacuation. The task has completed and the host is in maintenance mode. Part of me is worrying though about the "...