Skip to main content
NetApp Knowledge Base

SQL or other outage during Cluster Switch Upgrade

Views:
33
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
core
Last Updated:

Applies to

  • Cisco Nexus 3132 Cluster Switch
  • Cisco Nexus 3232 Cluster Switch

Issue

  • During an upgrade of a cluster switch for future expansion, an outage takes place because of loss of network connectivity.
  • Example: A SQL error is seen in the Windows Event Viewer of the SQL server:

The IO operation at logical block address 0x2fa2da1 for Disk 0 (PDO name: \Device\00000030) was retried.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="disk" />
    <EventID Qualifiers="32772">153</EventID>
    <Level>3</Level>
    <Task>0</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2021-03-03T06:27:12.317465000Z" />
    <EventRecordID>58122343</EventRecordID>
    <Channel>System</Channel>
    <Computer>sql1.company.com</Computer>
    <Security />
  </System>
  <EventData>
    <Data>\Device\Harddisk0\DR0</Data>
    <Data>0x2fa2da1</Data>
    <Data>0</Data>
    <Data>\Device\00000030</Data>
    <Binary>0F01040004002C0000000000990004800000000000000000000000000000000000000000000000000040022A</Binary>
  </EventData>
</Event>

 

CUSTOMER EXCLUSIVE CONTENT

Registered NetApp customers get unlimited access to our dynamic Knowledge Base.

New authoritative content is published and updated each day by our team of experts.

Current Customer or Partner?

Sign In for unlimited access

New to NetApp?

Learn more about our award-winning Support