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Esxi data stores showing as guid in shell, but not accessible in vSphere client

I tried installing an update to a 6.0 host and it appears to have failed. After rebooting, 2 of the NFS data stores are inactive (unmounted). Right-clicking them only offers to unmount. When I ssh ...
stormdrain's user avatar
  • 1,449
1 vote
1 answer
2k views

Installing ESXi 6.7 on HP Gen9 Warning vmFileSystem: Slow refresh failed. Cannot open volume: vmfs/volumes/

Durin installation of ESXi 6.7 (HPE Custom ISO) on HPE Gen9 server I see this message: And it is stuck on this "Scanning System": Gathering additional system information. This may take a ...
Uğur Özbek's user avatar
5 votes
1 answer
424 views

Accessing files from a multiple datastores on a VSAN in VMware

I have a VMware 6.7 environment running as a single datacenter, however with two clusters (say A-cluster and a B-cluster), each with 3 esxi hosts. A VSAN is configured on these clusters and has two ...
hypersonics's user avatar
0 votes
1 answer
1k views

Unable to mount iSCSI shared Datastore on VMware ESXi

I had an iSCSI Datastore mounted and now am unable to remount it. There are 2 shares one of which is new and I want to copy the data from the old to the new. I have created a new datastore with the ...
dross's user avatar
  • 395
3 votes
1 answer
10k views

mount vmfs partition in esxi

I lost connection to an iSCSI disk, and after reconnecting the datastore has not mounted. I can see the VMFS partition, but I'm not sure how to mount it manually. The UI options don't seem to offer an ...
waspinator's user avatar
1 vote
0 answers
435 views

VMWare ESXi: Mark Datastore device as Flash Disk

I just found out about this feature and many of my datastores are currently marked as HDD, even though they go to flash storage backends. If I try to makr them as flash storage, the VCSA complains ...
RedNano's user avatar
  • 333
1 vote
1 answer
1k views

ESXi Server shows "Storage: 0" after updating via vib

I'm kinda lost, my ESXi kungfu is not strong enough obviously. What I did is put the server into maintenance and install the vib ESXi600-201905001.zip via ssh://esxcli software vib install --depot=/...
MushyPeas's user avatar
  • 121
1 vote
1 answer
116 views

Cannot increase disk space of a esxi VM

I wanted to increase the disk space of a VM in my VMware server esxi. I deleted a snapshot that was in the VM, but I canceled this operation unintentionally. Now, I can't see the snapshot in ...
Prince Tagoe's user avatar
4 votes
3 answers
7k views

I can't create a Datastore in Esxi 6.7 U1

I have create a fresh install of Esxi 6.7 U1 after this i can't create in any mode the Datastore on System Disk, only on second disk, but why??
Marcus J.Kennedy's user avatar
2 votes
1 answer
431 views

ESXI Single drive SATA performance (onboard HP Proliant SATA SSD Port)

Good day, Sorry for my English, it is not my native language, and recenly I have less than it should be practice in analytical writing. I have an ESXi 6.0.0 Update 2 installed on a bare metal HP ...
Ivan Miskevich's user avatar
2 votes
1 answer
112 views

esxi 5.5 unable to detect previous hard disk

I have a 129GB SSD on HP Proliant DL380 G7 with ESXi 5.5 installed from a pen drive. The hard drive contains 2 virtual machines that contain a lot of work in them. I had to remove the drive as I am ...
Hari Krishna Gaddipati's user avatar
1 vote
1 answer
128 views

starting Virtual Machine on ESXi Host 6.5 standalone host fails

I am having an issue with my iscsi-datastore. My Virtual Machines are making a backup on second HD connected to each Virtual machine. This HDs are located on iscsi-datastore. In windows, Veeam does ...
tbo's user avatar
  • 21
1 vote
1 answer
65 views

ESXI and RAID 5 manipulation error, help needed

I have a ESXI server with a RAID5 datastore on an P410 controller. Lastly, I had a disk failed and when I tried to replace it, like an idiot I removed the wrong disk ! So my raid was now in status "...
Karnalta's user avatar
  • 129
1 vote
2 answers
3k views

Trouble creating a data store on ESXI 6.5 u1

I have a RAID 6 array (HP p822 controller v8.0 firmware) that I just added to my ESXI server. When I went to create a new data store I noticed it showed 2.92gb free of 10.92tb. This is a new array, ...
MasterOSkillio's user avatar
1 vote
1 answer
69 views

How do i create multiple persistent VMs in esxi from a non persistent base VM?

We would like to create multiple VMs from the same base VMDK without the need to clone the full vmdk. Our goal is to have one e.g. 100GB base vmdk and X derived VMs, which only store their changes to ...
Hugie's user avatar
  • 137
0 votes
1 answer
4k views

VMs invalid and datastore gone after replacing RAID controller

Replaced my RAID card in my Dell R710, and imported the foreign configuration from the last RAID card, ESXi started normally but the VMs are invalid and the datastore is gone. I'm going to guess that ...
VantaRabbit's user avatar
4 votes
3 answers
1k views

How to do a snapshot of a Datastore on esxi vmware - datastore snapshot as fast recovery backup

I have a server with hundreads of vms and the snapshot is very useful to me, on incidents i can restore a vm to a point on time in no time, but i have many datastores where operational data is stored ...
Jhon Wute's user avatar
-1 votes
1 answer
112 views

strange behaviour while creating NFS datastore on load balanced servers

BACKGROUND vSphere client version = 5.1.0 VMWare ESXi version = 5.1.0 Server OS = RHEL version 6.8 virtualip = virtual IP server1 = ip address of server 1 server2 = ip address of server 2 lvsserver = ...
IAmSurajBobade's user avatar
3 votes
3 answers
44k views

How to remove inactive datastore from vSphere 6.0?

I followed this vmware guide to remove a storage device and replace with another. Everything worked fine apart from the fact the the datastore still show on the list as inactive. During the procedure ...
Bart C's user avatar
  • 211
4 votes
3 answers
1k views

Sharing NFS datastore between data centers

I have no long experience with vmware-vsphere 5.5 .. so i have simple question Is it possible to share NFS datastore across tow data centers? if yes ; is it good thing to do?
Yaser Jawi's user avatar
1 vote
1 answer
531 views

datastore and network performance issues in ESXI

I am having a serious problem with a server running ESXi 6.0 Everything worked great last week. Now out of no where the whole thing is basically useless. I am getting datastore latency of up to 51 ...
Kyle Vaughan's user avatar
13 votes
2 answers
15k views

VM Inaccessible

So I had to remotely shut down my servers last night as the air conditioner crapped out on us. I shut down the VMs and then the hosts. Fired up the 2 hosts today which auto start the VMs. Datastores ...
Reedee's user avatar
  • 361
1 vote
0 answers
470 views

esxi vmware iscsi-datastore lost after power outage

I usually just try to find my own solution until it just works, this time not so much.. I have a ESXi cluster, with 2 hosts and 1x datastore cluster. Earlier today after a power outage, everything ...
challevato's user avatar
4 votes
3 answers
1k views

VMWARE Guest Storage VMDK vs RDM-V vs RMD-P

When is it best to use VMDK, RDM-V or RDM-P? I have always defaulted to using the standard VMFS5 Datastores with VMDK files for each server. However I typically use RDM-V when I need an excessive ...
Jacob Evans's user avatar
  • 7,936
4 votes
3 answers
938 views

VMware - trigger alert when a VM moves to a particular datastore?

We have a VMware cluster that doesn't have SDRS enabled. We would like to know when a VM moves to a particular datastore on that cluster because that datastore is non-performance storage. I can't ...
TheCleaner's user avatar
  • 32.7k
3 votes
1 answer
26k views

List all files on VMware datastores - PowerCLI/SSH?

I've a requirement to list all files across all datastores in my moderately sized VMware vSphere environment (30 ESXi hosts). Knowing a bit of Powershell I thought this would be easy but the process ...
user2909236's user avatar
0 votes
1 answer
1k views

Upgrade Dell T320 Perc h310 Raid to h710 resulted in lost datastore

I am in trouble! So we bought this server a year and a half ago. Its a Dell T320. It came with a Perc h310 Raid card. I'll be honest I messed up the install. I didn't know about the SD cards and ...
J Knight's user avatar
0 votes
1 answer
2k views

Create user with read only permission to datastore but SSH access

I am scripting a backup job in which a remote computer connects to an ESXi 5 host and does SCP to copy files to another datastore on that host. As a precaution (since every script that can go wrong ...
TSG's user avatar
  • 1,841
0 votes
1 answer
325 views

Esxi add existing datastore to another vm

I hope that someone would be able to help: We currently have a Centos 6.5 VM with a second .vmdk added of 22TB. The OS is located on datastore1 and the second hdd is on datastore2. I have created ...
user3422585's user avatar
3 votes
4 answers
10k views

No LUN available to extend datastore

I have a HP DL380G5 with ESXi 5.5 and x4 146GB Sata disks in a RAID5 array. I have added one more disk to the server exactly as the other ones and, using SmartStart CD I managed to add the disk to the ...
gasfe78's user avatar
  • 41
0 votes
1 answer
3k views

How to solve performance problems with VMware ESXi 5.5 on old Dell PowerEdge 2900 hardware [closed]

I have a couple of old Dell PowerEdge 2900 servers that have come free and I would like to use them to host a mail server cluster. They are a bit old, but have been running workhorses for a while, ...
David Killingsworth's user avatar
0 votes
0 answers
2k views

Replacing failed drive on a ESXi host

I have a failing drive on my ESXi 4 host and I'm going to replace it. There is no fault tolerance (RAID), each drive on its own. I'm planning do offline dding old drive to new one but I'm not sure ...
Hazard's user avatar
  • 101
1 vote
1 answer
11k views

ESXi 5 Add an existing lun to datastore without formatting

We have two hosts running VMWare ESXi 5.1.0. Both are connected to a RAID 5 array via iSCSI. The lun is an existing lun with vm on it but it is not reconized by the hosts after the reboot. it is ...
baaron's user avatar
  • 111
0 votes
1 answer
695 views

Missing datastore in ESXi 5.5 after IP change on disk enclosure (N.B. FC connection)

I have the following setup. 1 HP DL380 G5 1 HP MSA2012fc drive enclosure with 2 FC controllers The 2 are directly connected via fiberchannel, 1 connection to the b controller of the MSA (no switch) ...
alenkei's user avatar
0 votes
0 answers
350 views

NTFS Share vs. NFS Datastore on VMware 5.5

I am currently using Physical Server 2012R2 of 10TB RAID5 mapped as a NTFS share to the Virtual Machine, which is a Camera Server 2012R2 hosted on VMware 5.5. Storage Server is used only for all video ...
APatel's user avatar
  • 1
1 vote
0 answers
673 views

How do I rebuild a VMhost datastore following a corrupted installation

My server was shutdown at the weekend for a planned power outage to our building. When I tried to the bring the server back up, along with some errors about logical drives that did not exist (now ...
Debra Fry's user avatar
1 vote
2 answers
45k views

remount a iSCSI datastore in ESXI host after network faillure

I run ESXI 5.1 and all my virtual machines are in a NAS mapped by iSCI datastore. My router broke and obviously all the vm's where cut from their disks. What I understand is that when such event ...
0x1gene's user avatar
  • 127
1 vote
0 answers
789 views

Adding external datastore to esxi, expanding datastore

I have an esxi 5.1 on a 1U server, accessed using vSphere. There are two 160G HDD's inside on RAID1. I'm looking to expand the number of VM's and the required storage is going to exceed this paltry ...
solly989's user avatar
0 votes
2 answers
5k views

ESXi - What could be the cause of high write latency on a local datastore?

I have a ESXi 5.5 server and I'm experiencing high write latency on a local datastore. This datastore is on a virtual disk provided by a RAID card (two SATA disks on RAID 1). When I copy large files,...
mimipc's user avatar
  • 1,997
5 votes
1 answer
785 views

ESXi: Can linked clones be on a different datastore than the parent?

If I have a Local datastore that is full, and a second NFS based datastore, can I create a linked clone of a VM on the local datastore, but have the data for the clone live on the NFS datastore? ESXi ...
user avatar
1 vote
0 answers
721 views

ESXi 5.1 local datastore no longer accessable

I'm running ESXi and just recently rebuilt a raid array, and now an existing local datastore is no longer accessable in ESXi. The details: Original Configuration: 1x usb drive (on the backplane) ...
xelco52's user avatar
  • 143
0 votes
3 answers
2k views

How to analyse performance ESXi NFS Copy between datastores

I'm having trouble with ESXi backup/restore performance. My setup: VMWare ESXi 5.0.0 on a HP ProLiant DL 360 G6, runnnig RAID 5 on a P410 SmartArray as SAS QNAP Nas (QNAP TS-809U-RP NAS 8 bays ...
Rob Audenaerde's user avatar
1 vote
1 answer
943 views

How can I know if a VM is used or not?

I am running ESXi 4.1. In my main datastore I have plenty of folders, some of them has logical names, while the others don't, they hold BASE configurations/images of clients that I duplicate and ...
Saariko's user avatar
  • 1,791
29 votes
5 answers
95k views

Move VMware ESXi VM to new datastore - preserve thin-provisioning

I'm looking for a good solution to a VMware ESXi environment issue where there's no vCenter available. What's the best way to move a VM from one datastore to another on a single ESXi host, while ...
ewwhite's user avatar
  • 198k
2 votes
1 answer
564 views

ESXi: Allowing a guest OS to use other disk drives in server

I want to test a certain configuration on a new server that has 6 disks, configured as 2 virtual disks in RAID 1 and RAID 10 configuration. Configuration: 6 Total Disk Drives 2 x 250 GB RAID 1 ...
drew010's user avatar
  • 226
0 votes
1 answer
443 views

Virtual Machine Backup ESXI 5

Is it safe to backup data from a virtual machine to a datastore on another drive within the same server? I only have one server currently running vmware, so I would prefer to be able to backup to a ...
Nick Painter's user avatar
0 votes
2 answers
4k views

vmware esxi losing datastore

My vmware esxi server suddenly freezed this friday. When I looked up, what happend. I figured out lot of these messages in log Device t10.ATA_____WDC_WD10EARS2D00Y5B1 ...
Aleš's user avatar
  • 105
3 votes
1 answer
3k views

VMware ESXi Share Datastore

I currently have a server running ESXi 5 and have 2x 2TB on the server. ESXi is installed to a SD card and two datastores are created (one for each drive). I was wondering if there's anyway to share ...
YTKColumba's user avatar
1 vote
3 answers
11k views

VMWare ESXi 5 - how to move a datastore from local drives to a NFS or iSCSI share?

I currently have a couple vmware esxi servers with a data store using the server's local hard drives. I am going to set up a NAS server that will support NFS or iSCSI. I would like to mount that on ...
Scott Szretter's user avatar
3 votes
3 answers
31k views

How to remove inaccessible iSCSI LUN from vSphere ESXi 4.1/5 with Storage I/O Control enabled?

I am testing out a iSCSI SAN solution in my vSphere environment and have been adding/removing LUNs on the SAN host while some were left connected on ESXi hosts. I had enabled Storage I/O Control on ...
Andy Shinn's user avatar
  • 4,231