Elastic San Snapshots - Document Details

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This page is part of the Azure documentation. It contains code examples and configuration instructions for working with Azure services.

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Bias Analysis

Detected Bias Types

powershell_heavy

windows_first

windows_tools

Summary

The documentation demonstrates a moderate Windows bias. PowerShell examples are provided for every operation, and in some sections (such as the 'Take a stable snapshot' section), Windows-specific tools and patterns (like Volume Shadow Service) are mentioned first and in more detail than their Linux equivalents. Linux is only briefly mentioned, and the Linux tool (fsfreeze) is described as providing less functionality. There are no Linux shell (bash) or scripting examples, and the documentation does not address Linux-specific workflows or application-consistent backup strategies in depth.

Recommendations

Provide Linux shell (bash) script examples alongside PowerShell for all CLI-based operations.
Expand the discussion of Linux backup coordination tools, including examples of using fsfreeze and other common Linux utilities (e.g., LVM snapshots, application-specific tools) for achieving file- or application-consistent snapshots.
When mentioning Windows tools (like Volume Shadow Service), give equal prominence and explanation to Linux alternatives, possibly with links to relevant documentation.
Consider adding a table or section comparing Windows and Linux approaches to snapshot consistency, including best practices for both platforms.
Ensure that any prerequisites or environment setup steps are described for both Windows and Linux users.

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Scan History

Date	Scan	Status	Result
2026-01-14 00:00	#250	in_progress	Biased
2026-01-13 00:00	#246	completed	Biased
2026-01-11 00:00	#240	completed	Biased
2026-01-10 00:00	#237	completed	Biased
2026-01-09 00:34	#234	completed	Biased
2026-01-08 00:53	#231	completed	Biased
2026-01-06 18:15	#225	cancelled	Clean
2025-08-19 00:01	#85	completed	Clean
2025-07-13 21:37	#48	completed	Clean
2025-07-12 23:44	#41	cancelled	Biased

Flagged Code Snippets

$vgname = ""
$volname = ""
$volname2 = ""
$snapshotname1 = ""
$snapshotname2 = ""

# Create snapshots 
$vg = New-AzElasticSanVolumeGroup -ResourceGroupName $rgname -ElasticSanName $esname -Name $vgname
$vol = New-AzElasticSanVolume -ResourceGroupName $rgname -ElasticSanName $esname -VolumeGroupName $vgname -Name $volname -SizeGiB 1 
$snapshot = New-AzElasticSanVolumeSnapshot -ResourceGroupName $rgname -ElasticSanName $esname -VolumeGroupName $vgname -Name $snapshotname1 -CreationDataSourceId $vol.Id

# create a volume with a snapshot id 
New-AzElasticSanVolume -ElasticSanName $esname -ResourceGroupName $rgname -VolumeGroupName $vgname -Name $volname2 -CreationDataSourceId $snapshot.Id -SizeGiB 1

New-AzElasticSanVolume -ElasticSanName $esname -ResourceGroupName $rgname -VolumeGroupName $vgname -Name $volname2 -CreationDataSourceId $snapshot.Id -CreationDataCreateSource DiskSnapshot -SizeGiB 1

# remove a snapshot
Remove-AzElasticSanVolumeSnapshot -ResourceGroupName $rgname -ElasticSanName $esname -VolumeGroupName $vgname -Name $snapshotname1

$elasticSanName = <nameHere>
$volGroupName = <nameHere>
$region = <yourRegion>
$rgName = <yourResourceGroupName>
$elasticSanSnapshotName = <ElasticSanSnapshotName>
$newSnapName = <NameOfNewSnapshot>

$elasticSanVolumeSnapshotResourceId = (Get-AzElasticSanVolumeSnapshot -ElasticSanName $elasticSanName -ResourceGroupName $rgName -VolumeGroupName $volGroupName -name $elasticSanSnapshotName).Id

$snapshotconfig = New-AzSnapshotConfig -Location $region -AccountType Standard_LRS -CreateOption CopyFromSanSnapshot -ElasticSanResourceId $elasticSanVolumeSnapshotResourceId
New-AzSnapshot -ResourceGroupName $rgName -SnapshotName $newSnapName -Snapshot $snapshotconfig;