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iSCSI LUN size reduction causes virtual machine startup failure

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Category:
ontap-9
Specialty:
san
Last Updated:

Applies to

ONTAP 9

Issue

  • After reducing the size of an iSCSI LUN on the storage system, the virtual machine connected to this LUN fails to start. 
  • The following steps were performed before the issue occurred:
    • The volume size (XXX) was changed using the GUI.
    • The LUN size was reduced using the following commands:

::> lun resize -vserver XXX -path /vol/XXX/XXX -size XXXG -force

 
  • Immediately after the operation, the following alert was triggered:
14:26:31 2025/04/03 VARBINDS:
value=Timeticks: (706269197) 81 days, 17:51:31.97
value=OID: .iso.org.dod.internet.private.enterprises.vmware.vmwProductSpecific.vmwVC.vmwVCNotifications.vpxdAlarmInfo
value=INTEGER: 2
value=STRING: "Unset"
value=STRING: "Unset"
value=STRING: "alarm.HostErrorAlarm - Event: Host warning (XXX)
Summary: Issue detected on XXX in Datacenter: XXX: File protectedlist closed with dirty buffers. Possible data loss.

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