Is it possible to replace the motherboard on this 7820 with something more current that will run W11 and enhance performance? Or should I surplus this machine and by something else.

Dell shows this system as supporting Windows 11. https://www.dell.com/support/home/en-us/drivers/supportedos/precision-7820-workstation

@ejn63 is spot on and the drivers listed for your system include Windows 11.

Recently I saw one of the datastores in my vCenter lost the connectivity to its ESX host (i.e. When I select the host and open its hosts tab, nothing shows up). I just wonder what could have caused this? Typically I use VSI USM to provision a datastore, and it will always mount the datastore to a host. So under what circumstances will the datastore be orphaned? For one moment I thought maybe the datastore was unmounted, but then I realized it's a different case because typically unmounted datastores will be displayed as 'disconnected', but this datastore is just as it's still active, but when I right click it, I see no 'unmount' option while normal datastores have.

I have seen some orphaned VM a couple of times due to the backend storage issue, but never see orphaned datastore. The issue might resides on HBA, the multi-path software or storage. When you click the configuration tab of that host, what did you see on storage view? Is that datastore still there? Have you done any refresh or rescan operation?

Not familiar with it, we will make research and get back to you.

Hi Jingyi, 1. When I click the configuration tab, it stays at 'Loading...' and nothing more will come up. 2.I tried the rescan, but nothing changed.

Zack, You cannot see 'unmount' option. Can you have delete option available for the right click? You can try to take some screenshot on the symptom.

More questions, what's your vSphere version? Can you still browse your datastore? Does this datastore can still seen normally from inventory, or there is 'orphan' after its name? As Louis said, some screenshots will help the understanding.

In the vmkernel logs on the ESX host, are you seeing any LUN disconnects, NMP or PP errors? Need to narrow down if you are losing access to the LUN or just the VMFS datastore.

Hi JIngyi/Louis,Please check out the snapshots:1. The configuration tab for the datastore shows nothing (stuck in loading).2. When I tried to upload a file in the datastore browser, an error pops up saying that it's inaccessible.3. The context-menu for the datastore has no 'unmount' option and the 'delete' option is grayed out.

Hi Jingyi, To answer your questions: 1. The datastore is not in the storage panel. 2. I tried rescan but the datastore still doesn't come up.

Zack, If you select a ESX host where the DataStore is mounted, click Configuration Tab, then click Storage on the left pane, will you see your DataStore there? Can you select Update or rescan function to see if ESX will find out this DS again?

So the DataStore is already removed from storage side. I'd suggest you to follow this VMware KB http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1026661. It provides some CLI commands to remove DS from vCenter inventory. Keep us posted if you make it.

inspiron 14 2-in-1. came with usb-c charger brick. when traveling, can i charge this computer with my PHONE chager, usb-a to usb-c cable, has 2-A output ? I'd like to charge the computer when it is powered OFF, as i use it infrequently, and can operate it when it is on battery power. so i don't need fast charging. but i don't want to damage the computer. any replies appreciated

Hi First of all the PSU plug in Brick is 65 watts, and an... Output current (continuous) 3.25 A/3 A at one of the following voltages.... 20 VDC/15 VDC/9 VDC/5 VDC Ohms Law would have us believe that .... 1000 watts at 250 volts is 4 amperes and 62.5 ohms resistance. Extrapolate 65 watts / 3.25 (3.0) A is 19.23 / 21.67 volts. ############ My experience tells me that you should not do it, because it may run hot and become detrimental/dangerous. ############ The PSU brick type charger runs at 5 (FIVE) volts, then when connected the device requests the required voltage, when it then switches to that level automagically. It is NOT recommended to MacGyver stuff like that. Also below has very little to do with computers, unless you run a desk lamp and monitor etc.

thanks for reply. but all i want to really know is if i can use the usb 2A charger, to charge my HP laptop, and not hurt the laptop. I realize the laptop CAN TAKE more current. BUT, if the 2A charger is MAXED OUT at 2A, and i plug it into the HP USB-C-IN port, can that charge, even though it is a trickle charge, charge the dell laptop? i would have it in the OFF state, just sitting there, nibbling on power. i don't care if it takes couple hours to charge, it just saves me fro carrying yet another power brick with me on vacation. after all, shouldn't USB-C , if correct power output, still charge other usb-c devices? (chargers are not counterfeit, i use brand name chargers, such as samsung, for my phone) any clarification on that is appreciated,thanks and have a great day!

Hi Dunno. The usual thing is that USB 'C' type chargers output 5 Volts, suitable for a phone, then the more sophisticated ones negotiate with the host to step up to 9, 7.5, 9, 12, 15 even 20 volts to match the wants of the device. Because you have branded chargers, then they should carry a label listing the input voltage range and output voltages that it's capable of. You don't mention the spec of the HP, but if you post piccies of the labels and input ports, along with the model(s) of the laptops, then the 'Dunno' may become something I do know and state it accordingly.

thnks for reply, i'll investigate more re: hp, sorry, it is my dell, my brain is not wrking, my inspiron 14 again, thanks !

dear Anne-Droid an addendum - thanks for your replies, and i apoologize for my brain slowness. i went to the charger brick for the dell inspiron, and i now understand about the multiple voltages and output at those voltages. (I hd to take a picture of it first, to magnify it, to be able to read it !!!!) i see that my smaller usb phone charger won't work, as it is only single output at the 5V, while the power brick is at multiple volts, and im not sure if the computer needs those voltages, but i won't take a chance, i'll stick with the brick. thanks very much for your clarification ! nick

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