Overview
Originally the IBM POWER HMC was sold only as an integrated appliance that included the underlying hardware as well as the HMC firmware. IBM extended the POWER HMC offering to allow the purchase of the traditional hardware appliance (for example, model 7042/7063) or a firmware only virtual HMC machine image. The virtual HMC (vHMC) offering allows clients to use their own hardware and server virtualization to host the IBM supplied HMC virtual appliance.
Product identification number
Maintaining vHMC
HMC service pack and fix distribution is the same for both the hardware and virtual HMC. Fixes for all offerings are available from IBM fix central at -945.ibm.com/support/fixcentral/
Fixes can be found by selecting "Product Group" of "Power Systems Management Console" then the wanted virtual appliance "Product":
V9R2 or V10R1 to V10R2M1030
Support for vHMC
Since the hardware and server virtualization is supplied by the client to run the HMC virtual appliance, this infrastructure that actually hosts the HMC virtual appliance is not monitored by IBM. Serviceable events related to the vHMC firmware are monitored however "call-home" for these events is disabled. For further information see document Callhome on HMC Serviceable Events is Disabled on vHMC at -01.ibm.com/support/docview.wss?uid=nas8N1020960
The HMC virtual appliance continues to monitor the managed Power Systems hardware just like the HMC hardware appliance. Both HMC form factors provide remote notification and automatic call-home of serviceable events for the managed Power Systems servers.
Support for vHMC firmware, including how-to and usage, is handled by IBM software support similar to the hardware appliance. When contacting IBM support for vHMC issues specify "software support" (not hardware) and reference the vHMC product identification number (PID: 5765-HMV).
How-to, install, and configuration support for the underlying virtualization manager is not included in this offering. IBM has separate support offerings for most common hypervisors which can be purchased if wanted.
Q&A
Q: How can I tell if it is a vHMC?
A: To determine if the HMC is a virtual machine image or hardware appliance, view the HMC model and type. If the machine type and model is in the format of "Vxxx-mmm" then it is a virtual HMC.
From command-line (CLI) use the lshmc -v command and check the *TM field for a model starting with "V" and/or the presence of the *UVMID fields:
*TM V8d7-f9d
*SE fa6e3fc
*MN IBM
*PN N/A
*SZ 8390283264
*OS Embedded Operating Systems
*NA 9.5.66.40
*FC ????????
*DS Platform Firmware
*RM V8R8.4.0.0
*UVMID 8d7f:9dfa:6aa6:e3fc
In the legacy GUI: From Welcome panel hover the mouse over "HMC Version" link; or from the Updates panel under the HMC Code Level section.
In the enhanced GUI, click Help (the "circle ?" in the upper right) > About
Q: Are existing HMC customers entitled to vHMC?
A: No. vHMC is a separate offering and must be purchased separately. There is no conversion and no upgrade offering.
Q: Can x86 based vHMC licenses (5765-HMV) be converted to POWER vHMC (5765-HMA)?
A: No. They are two different offerings.
Q: Are there any restrictions related to onsite warranty support for managed servers?
A: Restrictions are similar to the hardware appliance
- You must supply a workstation or virtual console session located within 8 meters (25 feet) of the managed system. The workstation must have browser and command-line access to the HMC. This setup allows service personnel access to the HMC.
- You should supply a method to transfer service-related files (dumps, firmware, logs, etc) to and from the HMC and IBM service. If removable media is needed to perform a service action, you must configure the virtual media assignment through the virtualization manager or provide the media access and file transfer from another host that has network access to HMC.
- Power vHMC cannot manage (nor service) the server it is hosted on.
For example, HMC virtual appliance A is running on server A and HMC virtual appliance B is running on server B. HMC virtual appliance A cannot manage server B and HMC virtual appliance B cannot manage server A at the same time. One of the HMC virtual appliance can manage the other server, but both HMC virtual appliance cannot manage each other at the same time.
Q: Can the vHMC be hosted on IBM POWER servers?
A: Yes, the 5765-HMA product allows vHMC to run on POWER8 servers with firmware 830 or later and POWER9 and later.
Q: What restrictions are unique to vHMC on POWER?
A:
- POWER vHMC cannot manage the server it is hosted on.
This implies the hosting POWER server must be managed by Novalink or another HMC instance. IVM-managed servers are not supported.
- The HMC Virtual Appliance for PowerVM does not provide graphics adapter support for adapters assigned to the partition. "Local console" access is limited to command-line only.
Q: Is DHCP/private network supported?
A: Automatic configuration of a private DHCP network interface at install time by the activation engine is not supported. Manually configuring a private DHCP network using the HMC GUI/CLI is supported the same as with the hardware appliance. Note that a private DHCP network requires an isolated network to the managed server FSPs. Using the hypervisor to configure an isolated private network is outside the scope of vHMC. As with the hardware appliance, vHMC does not support VlAN tagged packets.
The construction industry is labour- intensive and is considered one of the most dangerous industries due to its high rate of injury, fatality and long latency health issues (Filho et al. 2021). In 2020, 1.7 million workers were reported to suffer from work-related ill health in the United Kingdom (UK) (HSE 2021a), with 17 000 estimated new cases of lung problems caused or made worse by work each year (HSE 2021a). A study carried out by the HSE (2021b) based on 2019/2020 data concluded that approximately 12 000 lung disease deaths in the UK were linked to past exposures at work and over 500 construction workers are believed to die from lung cancer caused by silica dust alone (Institution of Occupational Safety and Health 2014). Automatic systems and robotic machinery are believed to become necessary in improving health and safety in construction (Knights et al. 2015), by reducing the risks of falls, injuries from lifting heavy objects, providing a more controlled work environment and creating distance between workers and the hazards. Such an example can be construction three-dimensional (3D) printing, a relatively new technology, which is considered to have great potential in the industry (Shahrubudin et al. 2019). The literature contains a number of studies on 3D printing as a construction method, on materials and technologies used in the construction practice, but its impact on the health and safety field should be analysed further. Ning et al. (2021) stressed the importance to conduct studies on the health and safety implications of construction 3D printing, because of the impact it can have on promoting the wider use and because it is a vast unchartered territory. Although there are studies about the harmful effects of the particles resulting from using desk 3D printers and the materials they use for extrusion such as acrylonitrile butadiene styrene (ABS), or polylactic acid (PLA) (Dobrzyńska et al. 2022), the benefits of automatic construction systems including 3D printing far outweigh their harmful effects (Sinka et al. 2022).
The aim of this research is to address the problem of occupational respiratory diseases among construction workers, investigate the implementations of 3D printing in the construction industry and its potential implications in decreasing the incidence of some of these diseases.
The specific research objectives are to investigate the: causes of the most prevalent respiratory diseases in construction, strategies of minimising onsite dust/ silica dust exposure, benefits of 3D printing in the minimisation of onsite dust/ silica dust exposure, barriers of 3D printing in the minimisation of onsite dust/silica dust exposure and strategies for wider adoption of construction 3D printing to minimise the incidence of long latency respiratory disease among construction workers.
The Health and Safety at Work Act 1974 was enacted in order to secure health, safety and welfare of employees at work, those who may be affected by their work, control the use of explosive and highly flammable substances and control the emission into the atmosphere of dangerous substances. The Construction (Design and Management) Regulations 2015, which aim to improve the health and safety in the industry, refer to the Health and Safety at Work Act but focuses more on following the health and safety procedures and ensuring the paperwork is copacetic. The purpose of health and safety, as described by Health & Safety Executive, is to prevent employees from getting hurt at work or ill through work. The Institution of Occupational Safety and Health defines health and safety in the workplace as a process to manage risks to protect the workers and the business (Institution of Occupational Safety and Health 2021). Occupational health and safety is defined as the science of anticipation, recognition, evaluation and control of hazards arising in or from the workplace that could impair the health and well-being of workers, taking into account the possible impact on the surrounding communities and the general environment (Alli 2008).
According to Kiersma (2014), occupational safety focuses mainly on preventing injuries to personnel resulted from activity in the workplace. Heath, on the other hand, is a different concept. The difference between the two concepts is emphasised by Struthers (Struthers 2016) and consists in the speed of outcome and speed of corrective action. An accident has an immediate effect, it is visible and the people who witness it can take immediate actions to try to correct it. On the other hand, occupational health hazards have a delayed or chronic effect on the workers, and give visible signs only years later (Struthers 2016) through diseases of disorders. The Occupational Safety and Health Administration differentiate between the two concepts, when they categorise the most common hazards in a workplace by separating them into safety related (tripping, unguarded machinery) and five other health related categories: biological (exposure to bacteria and viruses), physical (dust, radiation), ergonomic (vibration, repeating movements), chemical (fumes, pesticides) and work organisation hazards (workload, workplace violence).
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