Troubleshooting (PST)

1. Presumption

1.1. UCS FI performace issue

1.2. HBA driver issue

1.3. PowerPath VE error

1.4. MDS

1.5. VNX performance issue

2. Action

2.1. UCS

2.1.1. Open TAC

2.2. vSphere

2.3. VM

2.4. Storage

2.4.1. HH/MM Open case and collecting log

2.5. Oracle

2.5.1. Recover RAC instance

3. Symptom

3.1. UCS

3.1.1. No fault found

3.2. vSphere

3.2.1. 12:43PM volumes lost connectivity

3.3. VM

3.3.1. 12:43 PM VM hung

3.4. Network

3.4.1. No error found.

3.5. Storage

3.5.1. VNX

3.5.1.1. 02/05/2016 09:14:46 Bus 1 Enclosure 2 Disk 0(7a7) Internal information only. Drive removed

3.5.2. MDS

3.5.3. PowerPath VE

3.5.3.1. 2016-02-05T17:44:33.872Z cpu17:31418522)ScsiDeviceIO: 3192: Restricting cmd 0xfe (0 bytes) from WID 31418522 to quiesced dev naa.6006016075813100ded6a7e20d4ae211:1 (vmkCmd=0x4136c55d3d80 cmdId: 0x4109d3d41040, 0xd01847) 2016-02-05T17:44:33.872Z cpu17:32830)ScsiDeviceIO: 2307: Cmd(0x4136c55d3d80) 0xfe, CmdSN 0xd01847 from world 31418522 to dev "naa.6006016075813100ded6a7e20d4ae211" failed H:0x8 D:0x0 P:0x0

3.6. App