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тАО10-29-2020 11:53 AM
тАО10-29-2020 11:53 AM
Nimble Snapshot Size
Hi,
I am looking to find size of each snapshot of a volume and also understand how the size of each snapshot is determined? I was sent info like the following, I am trying to understand what the total size of the each snapshot is and how much of a physical space is being occupied by each.
--------------------+--------------------+----------+------+-------+------------
Volume Snapshot Size Online Status New Data
Name Name (MiB) (MiB)
--------------------+--------------------+----------+------+-------+------------
A AdhocSnap 2306867 No Okay 7317
A A1-2020-10-15::18:00:21.642 2306867 No Okay 27372
A A1-2020-10-14::18:00:22.631 2306867 No Okay 37534
A A1-2020-10-13::18:00:29.959 2306867 No Okay 560692
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тАО10-29-2020 12:12 PM
тАО10-29-2020 12:12 PM
Re: Nimble Snapshot Size
Have you read the chapter on Snapshots in the Nimble Administration Guide? Available at InfoSight.
After that, look at the Command Reference, starting with the snap command.
Note: While I am an HPE Employee, all of my comments (whether noted or not), are my own and are not any official representation of the company
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тАО10-29-2020 12:57 PM
тАО10-29-2020 12:57 PM
Re: Nimble Snapshot Size
Hello Sheldon,
Thank you for your response. I do not have access to InfoSight, I registered there but my email is not linked to my org's Nimble. Can that be shared with me?
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тАО11-02-2020 01:25 AM - edited тАО11-02-2020 01:33 AM
тАО11-02-2020 01:25 AM - edited тАО11-02-2020 01:33 AM
Re: Nimble Snapshot Size
Hello
the right way to get access to the Nimble docs are through Infosight. Please give Nimble Support a quick call and they can resolve this for you.
Phone numbers: https://h20195.www2.hpe.com/v2/getdocument.aspx?docname=a00050207enw
Referring more to your question - Nimble snapshots are redirect on write rather than full copies of your data (ie copy on write). This means that a snapshot is just a metadata file with pointer references to blocks on your array. A Nimble block on your array can be pointed to by many snapshots, but none of those snapshots actually 'own' the data - in esscence not duplicating the data behind the scenes, but also meaning that the size of the snapshot is fluid.
twitter: @nick_dyer_