Discuss Nutanix NCM-MCI Exam Topic 1 Question 1

Task 16

Running NCC on a cluster prior to an upgrade results in the following output

FAIL: CVM System Partition /home usage at 93% (greater than threshold, 90%)

Identify the CVM with the issue, remove the fil causing the storage bloat, and check the health again by running the individual disk usage health check only on the problematic CVM do not run NCC health check

Note: Make sure only the individual health check is executed from the affected node

ASee the Explanation fo rstep by step solution

Suggested Answer: A

To identify the CVM with the issue, remove the file causing the storage bloat, and check the health again, you can follow these steps:

Select Virtual Machines from the drop-down menu and find the NCC health check output file from the list. You can use the date and time information to locate the file. The file name should be something like ncc-output-YYYY-MM-DD-HH-MM-SS.log.

Open the file and look for the line that says FAIL: CVM System Partition /home usage at 93% (greater than threshold, 90%). Note down the IP address of the CVM that has this issue. It should be something like X.X.X.X.

Run the commanddu -sh /home/*to see the disk usage of each file and directory under /home. Identify the file that is taking up most of the space. It could be a log file, a backup file, or a temporary file. Make sure it is not a system file or a configuration file that is needed by the CVM.

Run the commandrm -f /home/<filename>to remove the file causing the storage bloat. Replace <filename> with the actual name of the file.

Run the commandncc health_checks hardware_checks disk_checks disk_usage_check --cvm_list=X.X.X.Xto check the health again by running the individual disk usage health check only on the problematic CVM. Replace X.X.X.X with the IP address of the CVM that you noted down earlier.

Verify that the output shows PASS: CVM System Partition /home usage at XX% (less than threshold, 90%). This means that the issue has been resolved.

#access to CVM IP by Putty

allssh df -h #look for the path /dev/sdb3 and select the IP of the CVM

ssh CVM_IP

cd software_downloads

cd nos

ls -l -h

rm files_name

df -h

ncc health_checks hardware_checks disk_checks disk_usage_check

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43 comments · newest first

Salena 10 months ago

Not sure if just removing files will solve the issue long-term.

Dwight 11 months ago

Just did this last week, it works like a charm!

Gladys 11 months ago

Wait, is it really that easy to fix?

Cherry 11 months ago

Totally agree, time to clear some files.

Paola 11 months ago

Looks like CVM is over the limit at 93%!

Wynell 11 months ago

I think I recall that we should look for large files in the /home directory, but I’m not clear on the exact commands to use for checking disk usage.

Darell 12 months ago

I’m a bit confused about running only the individual health check. Do we need to specify the CVM name when we execute that command?

Malinda 12 months ago

This seems similar to a practice question we did on disk usage thresholds. I think we need to check the logs to find the specific file.

Charlette 1 year ago

I remember we practiced identifying the CVM with high usage, but I’m not entirely sure how to remove the file causing the bloat.

Caitlin 1 year ago

This seems straightforward enough. I just need to follow the steps - find the CVM, remove the file, and run the individual check. As long as I don't mess up the last part, I should be able to handle this.

Delpha 1 year ago

Alright, let's see. First I'll need to identify the CVM with the issue, then remove the file causing the storage bloat, and finally run the individual disk usage check. Gotta be careful not to run the full NCC health check.

Gail 1 year ago

Whoa, 93% usage on the /home partition? That's definitely a problem. I'll need to dig in and figure out what's taking up all that space.

Gregoria 1 year ago

Okay, the key things I need to focus on are finding the CVM with the high storage usage, removing the file causing the bloat, and then running the individual disk usage check. I'll need to be thorough but efficient.

Nickie 1 year ago

Hmm, this looks like a tricky one. I'll need to carefully analyze the output and identify the problematic CVM before I can start troubleshooting.

Olive 1 year ago

Hmm, I'm a bit unsure about this one. The options all seem to be related to SD-WAN, but I'm not sure which one is the best fit for the question. I'll have to think this through carefully.

Loreen 1 year ago

Okay, let me think this through step-by-step. The question is asking about the default state for VMs that are not encrypted, so I need to remember what the options are and which one is the default.

Gilma 1 year ago

Okay, I remember learning that zero-based budgeting is more time-consuming than other approaches, so option C is definitely not correct. I'll eliminate that one.

Kristeen 1 year ago

Okay, I've got this. COTS can save time and money by reducing development time, so I'll go with option B.

Refugia 1 year ago

Okay, I've got a strategy here. The question is asking about the requirement to enable the feature of having an admin node available at all times. So I need to focus on the admin node aspect, not the other node types. I'm leaning towards A as the best option.

Mee 2 years ago

I always make sure to follow the steps provided in the explanation for a step-by-step solution.

Quentin 2 years ago

I agree with Cherry. Running individual disk usage health check on the affected CVM is crucial to ensure everything is back to normal.

Cherry 2 years ago

I had the same issue before. It's important to identify the problematic CVM and remove the file causing the storage bloat.

Erinn 2 years ago

I encountered a problem with high /home usage during NCC on a cluster upgrade.

Francine 2 years ago

Got it, we need to follow the step-by-step solution provided in the explanation to resolve this issue.

Rickie 2 years ago

Exactly, we shouldn't run the NCC health check again, just the individual health check on the affected node.

Katie 2 years ago

After that, we should check the health again by running the individual disk usage health check only on the problematic CVM, right?

Francine 2 years ago

I think we need to identify the CVM causing the issue and remove the file causing the storage bloat.

Rickie 2 years ago

Yes, it's about the CVM System Partition /home usage being at 93%.

Katie 2 years ago

I found that error message while running NCC on the cluster.

Raul 2 years ago

↳ replying to Katie

Remember not to run the NCC health check again, just the individual health check on the affected node.

Sue 2 years ago

↳ replying to Katie

After removing the file, we should run the individual disk usage health check on the problematic CVM.

Kate 2 years ago

↳ replying to Katie

Once we find the problematic CVM, we can remove the file causing the storage bloat.

Belen 2 years ago

↳ replying to Katie

Let's identify the CVM with the issue first.

Mira 3 years ago

I'm a little worried about the 'do not run NCC health check' part. Isn't that the whole reason we're in this situation in the first place?

Kara 3 years ago

Okay, so the key steps are: 1) identify the CVM, 2) remove the file causing the bloat, and 3) check the health of just that CVM. Sounds straightforward enough.

Julieta 3 years ago

Let's not jump to conclusions. The question says we need to identify the CVM with the issue, so we'll have to do some digging to figure out what's going on.

Herminia 3 years ago

I wonder what kind of file could be causing such a huge storage issue? Maybe someone downloaded a bunch of cat videos or something. *chuckles*

Paz 3 years ago

Yeah, I agree. We need to identify the CVM with the issue, remove the file causing the storage bloat, and then check the health of just that CVM, not the whole cluster.

Sol 3 years ago

Hmm, this seems like a tricky one. Running NCC and finding the CVM system partition at 93% usage is definitely a problem that needs to be addressed before an upgrade.

Kristian 2 years ago

↳ replying to Sol

Make sure only the individual health check is executed from the affected node.

Raylene 2 years ago

↳ replying to Sol

Check the health by running individual disk usage check on the problematic CVM.

Elenor 2 years ago

↳ replying to Sol

Remove the file causing the storage bloat.

Johana 2 years ago

↳ replying to Sol

Let's find the CVM with the issue.

Nutanix NCM-MCI Exam - Topic 1 Question 1 Discussion