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Connecting ESXi to two different iSCSI SANS

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I have my vSphere 6 connected to a Equallogic iSCSI SAN and would also like to connect to a new Nimble array. I added the new array to the discovery list as well as the appropriate CHAP information and can connect to the Nimble, but when I try to add storage I get this error.

Cannot change host configuration

Call "HostDatastoreSystem.CreateVmfsDatastore" for object "datastoreSystem-29" on vCenter Server "WCGVC.wcg.waukeshacounty.gov" failed.

 

Any ideas?


esxi 6.0: delete snapshot or consolidate snapshots report: XXX com.vmware.vc.VmDiskConsolidatedEvent.formatOnVm not found

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XXX com.vmware.vc.VmDiskConsolidatedEvent.formatOnVm not found XXX

XXX com.vmware.vc.VmDiskConsolidatedEvent.category not found XXX

how to resolve this error?

SSD SAN Recommendations

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Can anyone recommend an SSD SAN with about 6TB usable after RAID?

 

Do they exist under £25k?

 

Thanks

 

Rob

vSphere with IBM V7000 compression

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Hello,

 

we have installed new IBM Storwize V7000 Gen2. One of the features that we turned on is real-time compression. Everything works as it should but there is a problem where compression gains aren't reflected in datastores used/free information. vSphere reports information without compression gain and therefore we can't use the space that we actually have still at our disposal. Anyone had anything similar? Any thoughts on how to overcome this?

 

Kind regards,

Simon

Re: Unable to remove datastore

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Used the following command to find all the VMs with attached CD ISOs:

 

Get-VM | FT Name, @{Label="ISO file"; Expression = { ($_ | Get-CDDrive).ISOPath }}

Re: vSphere with IBM V7000 compression

Best way to add iSCSI storage to VM Win 2012 R2 File Server

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Hi,

 

First of all I don't know this is the right place to post this question / discussion so I also posted this in the vSphere Storage forum.
We have created a VM with OS Win 2012 R2 to create a file server. We bought a seperate Dell EqualLogic PS4000 iSCSI storage to store the files/folders of the users where I created a volume with a size 2,2TB.
So to be clear the VM server and the files/folders storage are on seperated Dell EqualLogic systems.
I would like to know what is the best way to connect that volume to the VM file server? It also have to be easy if the VM breaks I can connect the storage to another VM.
In my view I see three options:
1. Connect the volume through the Win 2012 R2 iSCSI initiator
2. Connect the volume to the ESxi server and create a datastore of it and attach that to the VM
3. Connect the storage through the ESXi server to the VM with RDM

 

What is the best practice?

 

Thanks

brocade port licensing

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Hello there.

I know this is not a brocade community, but I also know that there are a lot of versatile specialists here and I think someone will help me with my question about brocade port licensing (furthermore I`ve already posted my question on brocade forum but still got no answer).

Well I got Brocade 5480 Embedded Switch in HP c7000 Enclosure with FOS 7.4.1, here is "switchshow":

swshow.png

So according "switchshow" there are 8 licensed ports and 16 unlicensed.

Here is "licenseport --show":

licport.png

According to this no Port on Demand license is installed, so how Dynamic POD method could be in use? "licenseshow" shows that "Fabric license", "Enhanced Group Management license" and "8 Gig FC license" are installed.

 

Also I still got 4 "license reservations", how can I assign 4 more ports to use default license? May be "licenseport --reserve"? Also I would like to know how these licenses assigned to ports when I get new switch from the vendor. Are these licenses pre-assigned or the assignment should be done manually?


Re: File Server Datastore Provisioning assistance

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Thanks but if I am reading it correctly vmkfstools are used to CLONE the .vmdk file from THIN to THICK provision, for example and not as much as to copy VMs.

Can you please confirm?

Re: File Server Datastore Provisioning assistance

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'vmkfstools' can be used for different tasks. Cloning a virtual disk from one datastore to another, without changing the disk format is actually the same a copying it. However, 'vmkfstools' works differently compared to e.g. the native 'cp' command.

'vmkfstools' allocates the required disk space first, and then starts copying data blocks. The 'cp' command (as well as other tools) allocate disk space on demand (i.e. the file size on the target grows with copying data), which puts a high load on the VMFS file system.

 

André

Re: brocade port licensing

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I got an answer from brocade community:

Hello there.

 

This question does come up from time to time, as the Dynamic Port Licensing was recently introduced.  It allows the customer to assign ports as they would like, as opposed to being statically assigned or hard coded into the POD License.  Typically this is used on a fix port switch, like a 1U 6510 or 2U 6520, whereby the customer would like to use specific ports as they upgrade their PODs to take advantage of ASIC diversity, redunancy, etc.  In your case, the 5480 is an Embedded Switch, however, you can still assign ports to the license as needed, just like with a regular switch, one port at a time manually, or use dynamic port license as is, it will dynamically consume those ports as they come online.

 

So you have two choices really.  You can either release the ports that are consuming some of the licensed ports now, placing them back in the "Free" pool, or you can bring ports online in the right order.

 

If you decide to change your mind later, you can release the ports and move them around.

 

Use the commands:

 

licenseport --show  (to understand how they are laid out currently)

licenseport --release 2 (will release port 2, back into the "free pool" aka "reserve pool")

licenseport --reserve 1 (will reserve port 1, whether the port is online or not, it will manually place port 1 in the Base POD)

 

Check your work again with:

 

licenseport --show

 

Hope it helps.

 

Thanks.

 

JF

Solved: Re: port license - Brocade Community Forums - 87675

When downloading a thin provisioned vm to USB flash drive it seems to be the thick provisioned size, not just used space from the thin provision. How do I get just the thin provisioned vm on a flash drive for easy shipping?

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I built 2 vm's on my local virtual environment to be used in another environment across the country. I thin provisioned both of these vm's and then downloaded them from the data store to a USB flash drive. They came down the full size so how do you get the thin provisioned version on a physical USB device for easy transportation across country? Thanks

Re: When downloading a thin provisioned vm to USB flash drive it seems to be the thick provisioned size, not just used space from the thin provision. How do I get just the thin provisioned vm on a flash drive for easy shipping?

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Welcome to the Community,

 

thin provisioning is a file system feature, that's why the ,vmdk file(s) inflate to their provisioned size while copying them. If you want to move a VM with thin provisioned virtual disks, either run a backup, and restore the VM on the new system, or export the VM to an OVF/OVA format and import it on the target system.

 

André

Re: File Server Datastore Provisioning assistance

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Understood but the article only provides a CLONE option not the COPY command.

The clone option requires partition information line thin and thick formats.

 

 

For example:

vmkfstools -i "/vmfs/volumes/Datastore/examplevm/examplevm.vmdk" "/vmfs/volumes/Datastore 2/newexamplevm/newexamplevm.vmdk" -d thin-a buslogic


Is there a sample command for just copy and what would it look like please, if possible?

Re: File Server Datastore Provisioning assistance

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Understood but the article only provides a CLONE option not the COPY command.

That doesn't really matter, as long as the result is the same. Don't you agree?

For valid options run the man vmkfstools command.

vmkfstools -i source target -d disk_format -a adapter_type

The target disk_format depends on what you want/need, and the adapter_type is one that's supported by the guest OS. It's lsilogic for most OSs nowadays. However, you can check the current settings in e.g. the source .vmdk's descriptor file. If you omit these two options, the target format should be the same as the source.

 

André


Adaptec RAID 71605Q

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My goal is to run esxi on a small ssd, then create a large RAID array that's hanging off an Adaptec RAID 71605Q card, in the same physical system.

 

I'm struggling with this; I have esxi 6 (the free version of the hypervisor) running, I have a RAID5 array setup via the CTRL+A bios setup, but I can't get esxi to "see" the Adaptec controller.

 

I've downloaded the vmware 6.0 drivers from the Adaptec site; used WinSCP to copy them to the host's tmp folder; ssh'd into the hose via putty and ran the command "esxcli software vib install -v {VIBFILE}" (of course using the vib filename); and rebooted the host. But...when I run the vmware client and connect to the host, I still can't see the Adaptec controllor, nor can I see the RAID array I created.

 

So...how do I proceed?

 

Thanks!

Can you share local datastores between multiple hosts?

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Hi Everyone,

 

I am new to VMWare, and need assistance setting up shared datastores to enable FT.

 

I have 3 ESXI 6.0 hosts with two local LUNS attached to each as datastores.  I understand that I need a shared datastore for FT.  How do I make one of the local datastores shared storage for all three?  When I go to each datastore, it is only mounted to one host....Host1 has 2 datastores mounted, Host2 has 2 datastores mounted, and Host3 has two datastores mounted.

 

Octavia

Throughput calculation

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Hello Team,

 

I'm reading one the design book, in that they said


Throughput = TOTAL IOPS * size of the IOPS = 55 MB/s

Throughput = 6875 * 8k = 55 MB/s

 

i just want to understand how they have calculated the 55 MB/s, can someone please shed more light on this.

Re: Can you share local datastores between multiple hosts?

Re: Adaptec RAID 71605Q

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Well, I figured it out (thank you, Jesus!).

 

Adaptec - Adaptec Driver: Adaptec RAID 71605Q Firmware/BIOS Update Ver. 7.5.0 Build 32106 Download Detail

 

Yeah...troubleshooting 101: check the firmware on the RAID card. Sheesh.

 

By the way, Adaptec; the 80's called and they want their DOS based flash utility back!! I seriously had to create a DOS boot USB stick and run the adaptec flash utility from there.  Thankfully, there's RUFUS to help with that. Awesome! Rufus - Create bootable USB drives the easy way

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