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Top 10 KB Articles for Infrastructure

The following three lists of Knowledgebase articles comprise our top 10 articles that our Infrastructure Support Engineers are using to solve customer Support Requests during the month of January. When we say Infrastructure, it’s more of an internal term we use to group support teams. The Infrastructure guys cover issues including storage, networking, and system faults (crashes).

The first list is the overall top ten. The second and third lists are known infrastructure issues and how-to / informational KB articles that apply to ESXi 5.1 and vCenter Server.

Top 10 Infrastructure Articles (ESX/i 3.x/4.x/5.x, vCenter Server)

  1. Broadcom 5719/5720 NICs using tg3 driver become unresponsive and stop traffic in vSphere (2035701)
  2. Unmounting a LUN or Detaching a Datastore/Storage Device from multiple ESXi 5.x hosts (2004605)
  3. Installing async drivers on ESXi 5.x (2005205)
  4. Investigating virtual machine file locks on ESXi/ESX (10051)
  5. Using esxtop to identify storage performance issues (1008205)
  6. Recreating a missing virtual machine disk (VMDK) descriptor file (1002511)
  7. Commands to monitor snapshot deletion in ESX 2.5/3.x/4.x and ESXi 3.x.x/4.x.x/5.x (1007566)
  8. Committing snapshots when there are no snapshot entries in the Snapshot Manager (1002310)
  9. Permanent Device Loss (PDL) and All-Paths-Down (APD) in vSphere 5.0 (2004684)
  10. Creating a snapshot for a virtual machine fails with the error: File is larger than maximum file size supported (1012384)

Top 10 vSphere 5.1 Infrastructure known issues

  1. Broadcom 5719/5720 NICs using tg3 driver become unresponsive and stop traffic in vSphere (2035701)
  2. Unmounting a LUN or Detaching a Datastore/Storage Device from multiple ESXi 5.x hosts (2004605)
  3. Creating a snapshot for a virtual machine fails with the error: File is larger than maximum file size supported (1012384)
  4. ESXi/ESX hosts with visibility to RDM LUNs being used by MSCS nodes with RDMs may take a long time to boot or during LUN rescan (1016106)
  5. An ESXi/ESX host reports VMFS heap warnings when hosting virtual machines that collectively use 4 TB or 20 TB of virtual disk storage (1004424)
  6. ESXi 5.x host fails with a purple diagnostics screen when using Intel(R) Xeon(R) CPU E5-2### and E5-46## (2033780)
  7. ESX/ESXi hosts might experience read/write performance issues with certain storage arrays (1002598)
  8. vHBAs and other PCI devices may stop responding in ESXi 5.x and ESXi/ESX 4.1 when using Interrupt Remapping (1030265)
  9. ESXi 5.x hosts fail to mount VMFS5 volumes that are formatted with ATS-only capabilities (2006858)
  10. Cannot take a quiesced snapshot of Windows 2008 R2 virtual machine (1031298)

Top 10 vSphere 5.1 Informational/How To Articles

  1. Installing async drivers on ESXi 5.x (2005205)
  2. Investigating virtual machine file locks on ESXi/ESX (10051)
  3. Using esxtop to identify storage performance issues (1008205)
  4. Recreating a missing virtual machine disk (VMDK) descriptor file (1002511)
  5. Commands to monitor snapshot deletion in ESX 2.5/3.x/4.x and ESXi 3.x.x/4.x.x/5 .x (1007566)
  6. Permanent Device Loss (PDL) and All-Paths-Down (APD) in vSphere 5.0 (2004684)
  7. vSphere handling of LUNs detected as snapshot LUNs (1011387)
  8. Best practices for virtual machine snapshots in the VMware environment (1025279)
  9. Manually regenerating core dump files in VMware ESXi/ESX (1002769)
  10. Determining Network/Storage firmware and driver version in ESXi/ESX 4.x and 5.x (1027206)