SMVI snapshot behavior

DHAKSHINAMOORTHY_B — Thu, 05 Jun 2025 04:42:29 GMT

Hi All,

We have provisioned one LUN to VMware ESXi cluster.

Volume Type: Thick
LUN Type: Thin
Fractional Reserve: 0
SIS: Enabled
VMware datastore Name: Datastore01

We have configured SMVI weekly snapshot with 14 days of retention period. Please find the below snap delta output.

Filer-B> snap list ESXiALLVOL01
Volume ESXiALLVOL01
working...

%/used %/total date name
---------- ---------- ------------ --------
15% (15%) 10% (10%) Mar 27 21:32 smvi__Datastore01VM_Level_Weekly_recent
31% (22%) 26% (16%) Mar 20 21:34 smvi__Datastore01VM_Level_Weekly_20150320213001
Filer-B>

Filer-B> snap delta ESXiALLVOL01

Volume ESXiALLVOL01
working...

From Snapshot To KB changed Time Rate (KB/hour)
--------------- -------------------- ----------- ------------ ---------------
smvi__Datastore01VM_Level_Weekly_recent Active File System 417218140 4d 12:46 3835734.233
smvi__Datastore01VM_Level_Weekly_20150320213001 smvi__Datastore01VM_Level_Weekly_recent 651103716 6d 23:58 3876303.144

Summary...

Filer-B>

From the above output, 651103716 KB data changes in 20th snapshot and 417218140 KB data changes in 27th snapshot.

What will happen when next snap schedule on Apr-3rd?

After auto deletion of 20th snapshot based on retention, will there a data changes in 27th snapshot? or data changes only will be on new snapshot?

Regards,

Dhakshinamoorthy Balasubramanian

http://www.storageadmin.in/

Re: SMVI snapshot behavior

deepuj — Tue, 31 Mar 2015 11:12:35 GMT

The amount of changed data will be captured in the new snapshot on 3rd April.

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SMVI snapshot behavior

Re: SMVI snapshot behavior