Wu's Blog

Tag: HP

  • Oracle Utilizes 50% of Physical Processors on HPE Server

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    DBA team told me Oracle was running slow on a HPE server. I observed the CPU utilization was about 50% of overall capacity. Whenever Oracle database bumps up the system experienced slowness. Further  digged into the issue, I see Oracle workload only ran on single physical processor, but the server has two processors. And the …

  • HPE SPP2016.04 is released!

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    HPE SPP2016.04 is released. I usually test April version since it’s always stable than October or other earlier version.

  • ESXi 5.5 and Emulex OneConnect 10Gb NIC

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    *** English Version *** You are using HP ProLiant BL460c G7 or Gen8, ESXi version is 5.5, NIC is Emulex chipset. You are using driver version 10.x.x.x. You may experience the host randomly lost connectivity on vCenter Server, host status show “No responding”. You cannot ping any virtual machine hosted on the blade. High pause…

  • Blue Screen with Bug Check 50 on ESXi 5.x

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    Some critical VMs got blue screen in last few weeks. After working with OS and hardware vendor, we figured out the root cause eventually. It’s a CPU problem related to Intel v2 CPU of E3, E5 and E7 families. The detail information is documented in VMware KB Windows 2008 R2 and Solaris 10 64-bit virtual…

  • Firmware upgrading is pending on install in progress on HP ESXi 5.5 blade by HP SUM

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    In my post HP Blade Firmware Upgrading Best Practices for ESXi Host I mentioned HP released firmware and drivers by SPP image.  I have set my ESXi 5.5 baseline to SPP2014.06 as I have tested it in my lab environment. Looks like stable.

  • How to get HP ProLiant blade server and enclosure information

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    An enterprise infrastructure administrator needs to run plenty of reports for firmware, software version, or any kind of infrastructure data in their day-to-day operation. Some vendors provide powerful tools to pull out data from their solution, but what if you don’t have such tools? It is pain to get data manually especially for large number…

  • HP Blade Firmware Upgrading Best Practices for ESXi Host

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    I discussed this topic with a group, some people think firmware upgrade is not required if ESXi host working fine, that’s adapted to small business, but I think enterprise can do more better. My ESXi running on HP blades, I’ll use that platform for example to share my thought and experience. Why you need a…

  • Windows cannot be installed on drive 0 partition 1

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    I think Windows Server 2012 will be next popular server OS just like Windows Server 2008, it’s also a nice hypervisor OS on virtual world. How do you think? Installation is first step to experience the wonderful OS, you may see some strange problem during that step just like me. Today’s topic occurred long time…

  • All paths lost on HBA port

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    HP, a great company, I like the hardware design of HP ProLiant server, it’s pretty easy for datacenter maintenance and operation, do you like it? Today, I’ll introduce a storage issue on HP ProLiant BL460, BL480 blades. This issue happened on Qlogic HBA with VC-FC module. I have two dual port Qlogic HBAs on each…