En exclusivité mondiale (si, si), nous vous livrons aujourd’hui les méthodes, longtemps gardées secrètes, pour créer cette précieuse alarme qui vous avertira lorsqu’un datastore NFS n’est plus accessible sur un ESX. Tout cela grâce à l’event “esx.problem.vmfs.nfs.server.disconnect” que nous avons trouvé dans la fameuse liste de veeam qui couvre vim 2.5 à 5.0

A la “mano” :

Avec un oneliner PowerCLI :

if (!((Get-View AlarmManager).GetAlarm((Get-Folder -NoRecursion |Get-View).MoRef)|?{(get-view $_).info.name -match "Lost connection to NFS server"})){(Get-View AlarmManager).CreateAlarm((Get-Folder -NoRecursion |Get-View).MoRef,(New-Object VMware.Vim.AlarmSpec -Property @{Name = "Lost connection to NFS server";Description = "Custom alarm to monitor esx.problem.vmfs.nfs.server.disconnect event";Enabled = $true;expression = (New-Object VMware.Vim.OrAlarmExpression -Property @{expression = @((New-Object VMware.Vim.EventAlarmExpression -Property @{eventType = "EventEx";EventTypeId = "esx.problem.vmfs.nfs.server.disconnect";objectType = "HostSystem";status = "red"}))});Action=(New-Object VMware.Vim.GroupAlarmAction -Property @{Action= (New-Object VMware.Vim.AlarmTriggeringAction -Property @{Action = (New-Object VMware.Vim.SendEmailAction -Property @{ToList = "admin@vmware.local";Subject = "[vAlarm] {targetName} nfs.server.disconnect - {newStatus}";CcList = "";Body = ""});TransitionSpecs = @((New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "yellow";FinalState = "red";Repeats = $false}))})});ActionFrequency = "1800"}))}

Alarme de latence Read ou Write pour datastore partagé NFS par cluster, yellow 300ms/5min et red 500ms/3min (mailto:admin@vmware.local) :

foreach ($vicluster in Get-View -ViewType ClusterComputeResource) {foreach ($dsname in ($vicluster.Datastore|%{Get-View $_}|?{$_.summary.Accessible -and $_.summary.MultipleHostAccess -and $_.info.nas})){if (!((Get-View AlarmManager).GetAlarm($vicluster.moref)|?{(get-view $_).info.name -match "Datastore $($dsname.name) datastore RW latency"})){(Get-View AlarmManager).CreateAlarm($vicluster.moref,(New-Object VMware.Vim.AlarmSpec -Property @{Name = "Datastore $($dsname.name) datastore RW latency in $($vicluster.name)";Description = "Custom alarm to monitor NFS $($dsname.name) ($($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)) read or write latency in $($vicluster.name)";Enabled = $true;expression = (New-Object VMware.Vim.OrAlarmExpression -Property @{expression = @((New-Object VMware.Vim.MetricAlarmExpression -Property @{Metric = (New-Object VMware.Vim.PerfMetricId -Property @{CounterId = ((Get-View (Get-View ServiceINstance).Content.PerfManager).PerfCounter|?{$_.groupinfo.key -match "datastore"}|?{$_.nameinfo.key -match "totalReadLatency"}|?{$_.RollupType -match "average"}).key;Instance = ($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)});Operator = "isAbove";Yellow = "300";YellowInterval = "300";Red = "500";RedInterval = "180";Type = "HostSystem"});(New-Object VMware.Vim.MetricAlarmExpression -Property @{Metric = (New-Object VMware.Vim.PerfMetricId -Property @{CounterId = ((Get-View (Get-View ServiceINstance).Content.PerfManager).PerfCounter|?{$_.groupinfo.key -match "datastore"}|?{$_.nameinfo.key -match "totalWriteLatency"}|?{$_.RollupType -match "average"}).key;Instance = ($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)});Operator = "isAbove";Yellow = "300";YellowInterval = "300";Red = "500";RedInterval = "180";Type = "HostSystem"}))});Action=(New-Object VMware.Vim.GroupAlarmAction -Property @{Action= (New-Object VMware.Vim.AlarmTriggeringAction -Property @{Action = (New-Object VMware.Vim.SendEmailAction -Property @{ToList = "admin@vmware.local";Subject = "[vAlarm] $($dsname.name) RW latency on {targetName}";CcList = "";Body = ""});TransitionSpecs = @((New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "green";FinalState = "yellow";Repeats = $false});(New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "yellow";FinalState = "red";Repeats = $false}))})});ActionFrequency = "1800"}))}}}

Alarme de latence Read ou Write pour datastore partagé VMFS par cluster, yellow 30ms/5min et red 40ms/3min (mailto:admin@vmware.local) :

foreach ($vicluster in Get-View -ViewType ClusterComputeResource) {foreach ($dsname in ($vicluster.Datastore|%{Get-View $_}|?{$_.summary.Accessible -and $_.summary.MultipleHostAccess -and $_.info.vmfs})){if (!((Get-View AlarmManager).GetAlarm($vicluster.moref)|?{(get-view $_).info.name -match "Datastore $($dsname.name) RW latency in $($vicluster.name)"})){(Get-View AlarmManager).CreateAlarm($vicluster.moref,(New-Object VMware.Vim.AlarmSpec -Property @{Name = "Datastore $($dsname.name) RW latency in $($vicluster.name)";Description = "Custom alarm to monitor VMFS $($dsname.name) ($($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)) read or write latency in $($vicluster.name)";Enabled = $true;expression = (New-Object VMware.Vim.OrAlarmExpression -Property @{expression = @((New-Object VMware.Vim.MetricAlarmExpression -Property @{Metric = (New-Object VMware.Vim.PerfMetricId -Property @{CounterId = ((Get-View (Get-View ServiceINstance).Content.PerfManager).PerfCounter|?{$_.groupinfo.key -match "datastore"}|?{$_.nameinfo.key -match "totalReadLatency"}|?{$_.RollupType -match "average"}).key;Instance = ($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)});Operator = "isAbove";Yellow = "30";YellowInterval = "300";Red = "40";RedInterval = "180";Type = "HostSystem"});(New-Object VMware.Vim.MetricAlarmExpression -Property @{Metric = (New-Object VMware.Vim.PerfMetricId -Property @{CounterId = ((Get-View (Get-View ServiceINstance).Content.PerfManager).PerfCounter|?{$_.groupinfo.key -match "datastore"}|?{$_.nameinfo.key -match "totalWriteLatency"}|?{$_.RollupType -match "average"}).key;Instance = ($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)});Operator = "isAbove";Yellow = "30";YellowInterval = "300";Red = "40";RedInterval = "180";Type = "HostSystem"}))});Action=(New-Object VMware.Vim.GroupAlarmAction -Property @{Action= (New-Object VMware.Vim.AlarmTriggeringAction -Property @{Action = (New-Object VMware.Vim.SendEmailAction -Property @{ToList = "admin@vmware.local";Subject = "[vAlarm] $($dsname.name) RW latency on {targetName}";CcList = "";Body = ""});TransitionSpecs = @((New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "green";FinalState = "yellow";Repeats = $false});(New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "yellow";FinalState = "red";Repeats = $false}))})});ActionFrequency = "1800"}))}}}

Alarme de latence SIOC Normalized Latency pour datastore partagé par cluster, yellow 30ms/5min et red 40ms/3min (mailto:admin@vmware.local) :

foreach ($vicluster in Get-View -ViewType ClusterComputeResource) {foreach ($dsname in ($vicluster.Datastore|%{Get-View $_}|?{$_.summary.Accessible -and $_.summary.MultipleHostAccess -and $_.IormConfiguration.Enabled})){if (!((Get-View AlarmManager).GetAlarm($vicluster.moref)|?{(get-view $_).info.name -match "Datastore $($dsname.name) SIOC Normalized Latency in $($vicluster.name)"})){(Get-View AlarmManager).CreateAlarm($vicluster.moref,(New-Object VMware.Vim.AlarmSpec -Property @{Name = "Datastore $($dsname.name) SIOC Normalized Latency in $($vicluster.name)";Description = "Custom alarm to monitor $($dsname.name) ($($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)) datastore SIOC Normalized Latency in $($vicluster.name)";Enabled = $true;expression = (New-Object VMware.Vim.OrAlarmExpression -Property @{expression = @((New-Object VMware.Vim.MetricAlarmExpression -Property @{Metric = (New-Object VMware.Vim.PerfMetricId -Property @{CounterId = ((Get-View (Get-View ServiceINstance).Content.PerfManager).PerfCounter|?{$_.groupinfo.key -match "datastore"}|?{$_.nameinfo.key -match "sizeNormalizedDatastoreLatency"}|?{$_.RollupType -match "average"}).key;Instance = ($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)});Operator = "isAbove";Yellow = "30000";YellowInterval = "300";Red = "40000";RedInterval = "180";Type = "HostSystem"}))});Action=(New-Object VMware.Vim.GroupAlarmAction -Property @{Action= (New-Object VMware.Vim.AlarmTriggeringAction -Property @{Action = (New-Object VMware.Vim.SendEmailAction -Property @{ToList = "admin@vmware.local";Subject = "[vAlarm] $($dsname.name) SIOC Normalized Latency on {targetName}";CcList = "";Body = ""});TransitionSpecs = @((New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "green";FinalState = "yellow";Repeats = $false});(New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "yellow";FinalState = "red";Repeats = $false}))})});ActionFrequency = "1800"}))}}}

Alarme de Disk Command aborts pour datastore VMFS partagé par cluster, en cas de défaillance/saturation DAS/SAN/iSCSI (mailto:admin@vmware.local) :

foreach ($vicluster in Get-View -ViewType ClusterComputeResource) {foreach ($diskname in ($vicluster.Datastore|%{Get-View $_}|?{$_.info.vmfs -and $_.summary.Accessible -and $_.summary.MultipleHostAccess}|%{$_.info.vmfs.extent}|%{$_.diskname})){if (!((Get-View AlarmManager).GetAlarm($vicluster.moref)|?{(get-view $_).info.name -match "Disk $diskname command aborts"})){(Get-View AlarmManager).CreateAlarm($vicluster.moref,(New-Object VMware.Vim.AlarmSpec -Property @{Name = "Disk $diskname command aborts in $($vicluster.name)";Description = "Custom alarm to monitor $diskname disk command aborts in $($vicluster.name)";Enabled = $true;expression = (New-Object VMware.Vim.OrAlarmExpression -Property @{expression = (New-Object VMware.Vim.MetricAlarmExpression -Property @{Metric = (New-Object VMware.Vim.PerfMetricId -Property @{CounterId = ((Get-View (Get-View ServiceINstance).Content.PerfManager).PerfCounter|?{$_.groupinfo.key -match "disk"}|?{$_.nameinfo.key -match "commandsAborted"}|?{$_.GroupInfo.Key -ne "virtualDisk"}|?{$_.RollupType -match "summation"}).key;Instance = $diskname});Operator = "isAbove";Yellow = "1";Red = "2";Type = "HostSystem"})});Action=(New-Object VMware.Vim.GroupAlarmAction -Property @{Action= (New-Object VMware.Vim.AlarmTriggeringAction -Property @{Action = (New-Object VMware.Vim.SendEmailAction -Property @{ToList = "admin@vmware.local";Subject = "[vAlarm] command aborts on disk $diskname on {targetName}";CcList = "";Body = ""});TransitionSpecs = @((New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "green";FinalState = "yellow";Repeats = $false});(New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "yellow";FinalState = "red";Repeats = $true}))})});ActionFrequency = "1800"}))}}}

Ceux qui, comme nous, espéraient la voir arriver avec vSphere 5 ont été déçu. L’alarme de latence de datastore n’existe pas encore, pas en GUI du moins. Et pour cause, les compteurs de latence ne sont disponibles qu’au travers des objets VirtualMachine ou HostSystem (et HostSystem uniquement pour les compteurs SIOC). Nous vous avions proposé une solution de contournement, en PowerCLI évidement, grâce au compteur maxTotalLatency mais il restait encore à trouver quel datastore avait déclenché l’alarme.

Aujourd’hui nous vous proposons une série de oneliner qui vont créer (si elles n’existent pas déjà, ce qui veut dire que vous pouvez les utiliser en tache planifiée) des alarmes pour chaque datastore (instance = UUID) qui se déclencheront si les seuils de latence fixés sont atteint sur un ESX. Attention ça pique.

Alarme de latence Read ou Write pour datastore partagé NFS, yellow 300ms/5min et red 500ms/3min (mailto:admin@vmware.local) :

foreach ($dsname in (Get-View -ViewType datastore|?{$_.summary.Accessible -and $_.summary.MultipleHostAccess -and $_.info.nas})){if (!((Get-View AlarmManager).GetAlarm((Get-Folder -NoRecursion |Get-View).moref)|?{(get-view $_).info.name -match "$($dsname.name) datastore RW latency"})){(Get-View AlarmManager).CreateAlarm((Get-Folder -NoRecursion |Get-View).MoRef,(New-Object VMware.Vim.AlarmSpec -Property @{Name = "$($dsname.name) datastore RW latency";Description = "Custom alarm to monitor NFS $($dsname.name) ($($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)) read or write latency";Enabled = $true;expression = (New-Object VMware.Vim.OrAlarmExpression -Property @{expression = @((New-Object VMware.Vim.MetricAlarmExpression -Property @{Metric = (New-Object VMware.Vim.PerfMetricId -Property @{CounterId = ((Get-View (Get-View ServiceINstance).Content.PerfManager).PerfCounter|?{$_.groupinfo.key -match "datastore"}|?{$_.nameinfo.key -match "totalReadLatency"}|?{$_.RollupType -match "average"}).key;Instance = ($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)});Operator = "isAbove";Yellow = "300";YellowInterval = "300";Red = "500";RedInterval = "180";Type = "HostSystem"});(New-Object VMware.Vim.MetricAlarmExpression -Property @{Metric = (New-Object VMware.Vim.PerfMetricId -Property @{CounterId = ((Get-View (Get-View ServiceINstance).Content.PerfManager).PerfCounter|?{$_.groupinfo.key -match "datastore"}|?{$_.nameinfo.key -match "totalWriteLatency"}|?{$_.RollupType -match "average"}).key;Instance = ($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)});Operator = "isAbove";Yellow = "300";YellowInterval = "300";Red = "500";RedInterval = "180";Type = "HostSystem"}))});Action=(New-Object VMware.Vim.GroupAlarmAction -Property @{Action= (New-Object VMware.Vim.AlarmTriggeringAction -Property @{Action = (New-Object VMware.Vim.SendEmailAction -Property @{ToList = "admin@vmware.local";Subject = "$($dsname.name) RW latency";CcList = "";Body = ""});TransitionSpecs = @((New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "green";FinalState = "yellow";Repeats = $false});(New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "yellow";FinalState = "red";Repeats = $false}))})});ActionFrequency = "1800"}))}}

Alarme de latence Read ou Write pour datastore partagé VMFS, yellow 30ms/5min et red 40ms/3min (mailto:admin@vmware.local) :

foreach ($dsname in (Get-View -ViewType datastore|?{$_.summary.Accessible -and $_.summary.MultipleHostAccess -and $_.info.vmfs})){if (!((Get-View AlarmManager).GetAlarm((Get-Folder -NoRecursion |Get-View).moref)|?{(get-view $_).info.name -match "$($dsname.name) datastore RW latency"})){(Get-View AlarmManager).CreateAlarm((Get-Folder -NoRecursion |Get-View).MoRef,(New-Object VMware.Vim.AlarmSpec -Property @{Name = "$($dsname.name) datastore RW latency";Description = "Custom alarm to monitor VMFS $($dsname.name) ($($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)) read or write latency";Enabled = $true;expression = (New-Object VMware.Vim.OrAlarmExpression -Property @{expression = @((New-Object VMware.Vim.MetricAlarmExpression -Property @{Metric = (New-Object VMware.Vim.PerfMetricId -Property @{CounterId = ((Get-View (Get-View ServiceINstance).Content.PerfManager).PerfCounter|?{$_.groupinfo.key -match "datastore"}|?{$_.nameinfo.key -match "totalReadLatency"}|?{$_.RollupType -match "average"}).key;Instance = ($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)});Operator = "isAbove";Yellow = "30";YellowInterval = "300";Red = "40";RedInterval = "180";Type = "HostSystem"});(New-Object VMware.Vim.MetricAlarmExpression -Property @{Metric = (New-Object VMware.Vim.PerfMetricId -Property @{CounterId = ((Get-View (Get-View ServiceINstance).Content.PerfManager).PerfCounter|?{$_.groupinfo.key -match "datastore"}|?{$_.nameinfo.key -match "totalWriteLatency"}|?{$_.RollupType -match "average"}).key;Instance = ($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)});Operator = "isAbove";Yellow = "30";YellowInterval = "300";Red = "40";RedInterval = "180";Type = "HostSystem"}))});Action=(New-Object VMware.Vim.GroupAlarmAction -Property @{Action= (New-Object VMware.Vim.AlarmTriggeringAction -Property @{Action = (New-Object VMware.Vim.SendEmailAction -Property @{ToList = "admin@vmware.local";Subject = "$($dsname.name) RW latency";CcList = "";Body = ""});TransitionSpecs = @((New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "green";FinalState = "yellow";Repeats = $false});(New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "yellow";FinalState = "red";Repeats = $false}))})});ActionFrequency = "1800"}))}}

Alarme de latence SIOC Normalized Latency pour datastore partagé, yellow 30ms/5min et red 40ms/3min (mailto:admin@vmware.local) :

foreach ($dsname in (Get-View -ViewType datastore|?{$_.summary.Accessible -and $_.summary.MultipleHostAccess -and $_.IormConfiguration.Enabled})){if (!((Get-View AlarmManager).GetAlarm((Get-Folder -NoRecursion |Get-View).moref)|?{(get-view $_).info.name -match "$($dsname.name) datastore SIOC Normalized Latency"})){(Get-View AlarmManager).CreateAlarm((Get-Folder -NoRecursion |Get-View).MoRef,(New-Object VMware.Vim.AlarmSpec -Property @{Name = "$($dsname.name) datastore SIOC Normalized Latency";Description = "Custom alarm to monitor $($dsname.name) ($($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)) datastore SIOC Normalized Latency";Enabled = $true;expression = (New-Object VMware.Vim.OrAlarmExpression -Property @{expression = @((New-Object VMware.Vim.MetricAlarmExpression -Property @{Metric = (New-Object VMware.Vim.PerfMetricId -Property @{CounterId = ((Get-View (Get-View ServiceINstance).Content.PerfManager).PerfCounter|?{$_.groupinfo.key -match "datastore"}|?{$_.nameinfo.key -match "sizeNormalizedDatastoreLatency"}|?{$_.RollupType -match "average"}).key;Instance = ($dsname|%{$_.Host}|%{$_.MountInfo.Path.split("/")[-1]}|sort -unique)});Operator = "isAbove";Yellow = "30000";YellowInterval = "300";Red = "40000";RedInterval = "180";Type = "HostSystem"}))});Action=(New-Object VMware.Vim.GroupAlarmAction -Property @{Action= (New-Object VMware.Vim.AlarmTriggeringAction -Property @{Action = (New-Object VMware.Vim.SendEmailAction -Property @{ToList = "admin@vmware.local";Subject = "$($dsname.name) SIOC Normalized Latency";CcList = "";Body = ""});TransitionSpecs = @((New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "green";FinalState = "yellow";Repeats = $false});(New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "yellow";FinalState = "red";Repeats = $false}))})});ActionFrequency = "1800"}))}}

Bonus : Alarme de Disk Command aborts pour datastore VMFS partagé, en cas de défaillance/saturation DAS/SAN/iSCSI (mailto:admin@vmware.local) :

foreach ($diskname in (Get-View -ViewType datastore|?{$_.info.vmfs -and $_.summary.Accessible -and $_.summary.MultipleHostAccess}|%{$_.info.vmfs.extent}|%{$_.diskname})){if (!((Get-View AlarmManager).GetAlarm((Get-Folder -NoRecursion |Get-View).moref)|?{(get-view $_).info.name -match "$diskname Disk Command aborts"})){(Get-View AlarmManager).CreateAlarm((Get-Folder -NoRecursion |Get-View).MoRef,(New-Object VMware.Vim.AlarmSpec -Property @{Name = "$diskname Disk Command aborts";Description = "Custom alarm to monitor $diskname Disk Command aborts";Enabled = $true;expression = (New-Object VMware.Vim.OrAlarmExpression -Property @{expression = (New-Object VMware.Vim.MetricAlarmExpression -Property @{Metric = (New-Object VMware.Vim.PerfMetricId -Property @{CounterId = ((Get-View (Get-View ServiceINstance).Content.PerfManager).PerfCounter|?{$_.groupinfo.key -match "disk"}|?{$_.nameinfo.key -match "commandsAborted"}|?{$_.GroupInfo.Key -ne "virtualDisk"}|?{$_.RollupType -match "summation"}).key;Instance = $diskname});Operator = "isAbove";Yellow = "1";Red = "2";Type = "HostSystem"})});Action=(New-Object VMware.Vim.GroupAlarmAction -Property @{Action= (New-Object VMware.Vim.AlarmTriggeringAction -Property @{Action = (New-Object VMware.Vim.SendEmailAction -Property @{ToList = "admin@vmware.local";Subject = "$diskname Disk Command aborts";CcList = "";Body = ""});TransitionSpecs = @((New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "green";FinalState = "yellow";Repeats = $false});(New-Object VMware.Vim.AlarmTriggeringActionTransitionSpec -Property @{StartState = "yellow";FinalState = "red";Repeats = $true}))})});ActionFrequency = "1800"}))}}

Voici donc un petit one-liner qui permet de combiner les actions de rescan et refresh :

Get-View -ViewType HostSystem -Property ConfigManager.StorageSystem -Filter @{"Name"="^vmvisor"}|%{Get-View $_.ConfigManager.StorageSystem|%{$_.RescanAllHba();$_.RefreshStorageSystem()}}

L’équivalent en moins rapide mais en plus simple :

Get-VMHost vmvisor*|Get-VMHostStorage -RescanAllHba -Refresh

Vous aurez remarqué que nous n’avons pas inclus de RescanVmfs car selon le vSphere API Reference, la méthode RefreshStorageSystem l’intègre :

The RefreshStorageSystem method obtains information from the host platform and it performs a rescan of VMFS volumes. It does not look for new devices.

Bonus : la même commande pour la partie réseau, dont le refresh n’est aussi disponible qu’individuellement sur chaque host :

Get-View -ViewType HostSystem -Property ConfigManager.NetworkSystem -Filter @{"Name"="^vmvisor"}|%{Get-View $_.ConfigManager.NetworkSystem|%{$_.RefreshNetworkSystem()}}

Inutile de vous rappeler qu’il vous faudra ajuster le filtrage de la commande Get-View à votre nomenclature.