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LogicMSP-2921 avatar image
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LogicMSP-2921 asked ·

Cluster Shared Volume Volume Size Increase

I have a Cluster Disk under Failover Cluster Manager -> Storage -> Disks with 5.46TB of capacity, but when I click on it, it shows the volume with only 1.36TB.

Not sure how to increase the Volume.

40479-screenshot-17.jpg



Any help will be greatly appreciated.

Thank you in advance.

windows-server-storagewindows-server-clustering
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XiaoweiHe-MSFT avatar image
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XiaoweiHe-MSFT answered ·

Hi,

Please try to "extend the file system" directly, check if it could help. If seems we have extended the disk perviously, while the file system hasn't been extended.

DISKPART
List volume
select volume 5
Extend file system

Best Regards,
Anne

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Once again thank you for the support.

This was the case, the file system was what needed to be extended.

DISKPART
List volume
select volume 5
Extend filesystem

Thank you once again.

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Glad to hear it works. You are welcome!

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LeonLaude avatar image
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LeonLaude answered ·

Hi @LogicMSP-2921,

Something here might help:
https://docs.microsoft.com/en-us/troubleshoot/windows-server/backup-and-storage/extending-csv-isnt-blocked


(If the reply was helpful please don't forget to upvote or accept as answer, thank you)


Best regards,
Leon

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Thank you for the information Leon,

What should I do if the metadata operation was run from the non-non-coordinator node?

0 Votes 0 ·

You may try the disk extension mentioned under the "Workaround" section, after that is done, you could try failing over the disk to check if the volume size updates.

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XiaoweiHe-MSFT avatar image
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XiaoweiHe-MSFT answered ·

Hi,

1.The “Capacity” shows full disk size, the CSV volume size shows the volume formatted in disk manager.

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2.If we want to extend the CSV volume, we may follow the steps below.

1) On the owner node of the CSV, please open CMS as administrator.

2) Please enter the following command in CMD.

diskpart
list volume
select volume <csv volume>
extend
extend filesystem

40562-33.png

3) After then, check if the CSV volume is extended in the FCM.

40622-44.png

Here is an article about how to extend CSV, for your reference.

https://blogs.technet.microsoft.com/chrad/2010/07/15/cluster-shared-volumes-csv-extending-a-volume/

Thanks for your time!
Best Regards,
Anne

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Hi XiaoweiHe-MSFT,

Thank you very much for your detailed answer.

My Disk Management shows no unallocated space available.
40899-image.png


When I run Diskpart it says:
There is not enough usable free space on specified disk(s) to extend the
volume.

40830-screenshot-20.jpg



Not sure what else to do?

I appreciate your help.

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