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Exam AZ-800 topic 5 question 2 discussion

Actual exam question from Microsoft's AZ-800

Question #: 2
Topic #: 5

HOTSPOT -
You need to sync files from an on premises server named Server1 to Azure by using Azure File Sync.
You have a cloud tiering policy that is configured for 30 percent free space and 70 days.
Volume E on Server1 is 500 GB.
A year ago, you configured E:\Data on Server1 to sync by using Azure File Sync. The files that are visible in E:\Data are shown in the following table.

Volume E does NOT contain any other files.
Where are File1 and File3 located? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
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Suggested Answer:

Reference:
https://docs.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/azure-file-sync https://docs.microsoft.com/en-us/azure/storage/file-sync/file-sync-cloud-tiering-overview

by Vmwarevirtual at May 20, 2022, 9:27 p.m.

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prepper666

Highly Voted 2 years, 2 months ago

Although File3 is less than 70 days old, it is replaced by File1 as the free space policy will override the date. Therefore it will be placed on cold-tier in azure FS only. File 1 which replaces file3 remains on both.

upvoted 13 times

valgaw

2 years, 1 month ago

Agree. Correc answer should be: File 1: File server and Azure file share File 3: Azure file share only Explanation with samples, as nazgul250 posted below: https://docs.microsoft.com/en-us/azure/storage/file-sync/file-sync-cloud-tiering-policy

upvoted 19 times

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empee1977

Highly Voted 1 year, 6 months ago

File 1: C: Server1 and Azure file share File 3: B: the azure file share only Azure File Sync uses a cloud tiering policy to determine which files are kept locally and which files are moved to the cloud. The policy is configured to have 30 percent free space and 70 days, meaning that files that haven't been accessed for 70 days are moved to the cloud to keep 30 percent of the disk space free. In this scenario, File1 was last accessed 2 days ago and is 200GB in size, so it will remain locally on Server1. File2 was last accessed 10 days ago and is 100GB in size, so it will remain locally on Server1. File3 was last accessed 60 days ago and is 2000GB in size, so it will be moved to the cloud and stored in the Azure file share. File4 was last accessed 100 days ago and is 50GB in size, so it will be moved to the cloud and stored in the Azure file share. Therefore, File1 is located on Server1 only and File3 is located in the Azure file share only.

upvoted 5 times

zuzmo483

5 months, 3 weeks ago

yes, hot data (in this case File1 and 2) is kept in the local cache, cold data (File 3-4) are getting tiered.

upvoted 1 times

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SDK76

Most Recent 3 months, 2 weeks ago

Can someone explain why File1 is Tiered to Azure and not just on Server1, as I see it. Thanks.

upvoted 1 times

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MR_Eliot

11 months ago

Provided answer is correct.

upvoted 1 times

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syu31svc

1 year, 4 months ago

https://learn.microsoft.com/en-us/azure/storage/file-sync/file-sync-cloud-tiering-policy The volume free space policy ensures that a specified percentage of the local volume the server endpoint is located on is always kept free. The date policy tiers files last accessed x days ago or later. The volume free space policy will always take precedence. When there isn't enough free space on the volume to store as many days worth of files as described by the date policy, Azure File Sync will override the date policy and continue tiering the coldest files until the volume free space percentage is met. Azure File share will always be available for all the files. 30% free space so 350GB is allowed meaning that File 3 will be in the file share only

upvoted 4 times

syu31svc

1 year, 4 months ago

In other words answer is correct

upvoted 2 times

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Leocan

1 year, 9 months ago

70% of 500GB is 350GB. File4 is on Azure file share only because it's older than 70 days. File1 and File2 are a total of 300GB in size. File3 can have 50GB on server1. So File3 should be on Server 1 and Azure file share too.

upvoted 5 times

jecawi9630

1 year, 8 months ago

Won’t keep a partial file - 50 GB out of 200GB. This is a file, not a folder. File 3 will be only in Azure, and not at all on the server.

upvoted 6 times

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Leocan

1 year, 9 months ago

both are the same: on Server 1 and Azure file share

upvoted 3 times

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nazgul250

2 years, 2 months ago

The volume free space policy will always take precedence; when there isn't enough free space on the volume to store as many days worth of files as described by the date policy, Azure File Sync will override the date policy and continue tiering the coldest files until the volume free space percentage is met. https://docs.microsoft.com/en-us/azure/storage/file-sync/file-sync-cloud-tiering-policy

upvoted 3 times

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yayh

2 years, 3 months ago

It should be both same answer onprem File server and Azure file share Sync mean both ways then data tiering to remove cool file from onprem after 70 days

upvoted 2 times

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Vmwarevirtual

2 years, 3 months ago

The volume free space policy tells Azure File Sync to tier cool files to the cloud when a certain amount of space is taken up on your local disk. With the date policy, cool files are tiered to the cloud if they haven't been accessed (that is, read or written to) for x number of days

upvoted 1 times

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