Virtual to physical

Is there a way to convert a virtual machine that runs on OVS 2.1 to a physical machine? another option can be to convert it to ESX guest machine.
Thanks
Chovav

chovav wrote:
Is there a way to convert a virtual machine that runs on OVS 2.1 to a physical machine? another option can be to convert it to ESX guest machine.It's possible for HVM guests, but it's not simple: you'd have to dd the virtual disk to a physical disk and then use that to boot your physical machine. For conversion to ESX, you'd need a Xen to ESX conversion tool. I'm pretty sure they're out there. :)

Similar Messages

Convert the BW and PI database servers from virtual to physical servers

Hi all,
         converting the BW and PI database servers from virtual to physical servers.
         what is the difference between Virtual & pysical database servers?
         How do we carry out the conversion?

This [link|http://www.itworld.com/virtualization/59444/virtually-compliant-enough] may useful to you.

Kernel, virtual and physical memory

Hi,
I would like to get a clarification of the uses of the terms kernel, virtual and physical memory. Functions like kmem_alloc provide non-paged 'kernel' memory, but is this a pointer to a physical memory address, or is it similar to a virtual address that gets mapped by the memory management when it is referenced like virtual memory?
Is there a way to determine a mapping between a virtual address and a physical address? (like vtophys in bsd or virt_to_phys/virt_to_bus in linux) ?
Is all memory that is normally used within a driver (e.g. messages through a STREAM or DMA areas) 'kernel' memory, and is this a direct physical memory address (as asked above)?
Many thanks
S.

Hi,
Most kernel code and device drivers will only use virtual addresses. Yes, it is right!
But I want to access a specific physical address.
Because the bus bridge chip with PCI bus-master access a specific physical address directly.
My system configuration is below:
Platform: IA32
Address map:
0x00000000 - 0x000FFFFF: Main Memory, VGA Frame Buffer, Boot ROM
0x00100000 - 0x0FFFFFFF : Main Memory(DIMM) - 255MB*
0x10000000 - 0xFEBFFFFF: PCI bus memory space
0xFEC00000 - 0xFFF7FFFF: Not Used
0xFFFF8000 - 0xFFFFFFFF: Boot ROM
*My system has 128MB DIMM on board.
The bus bridge chip access a physical address at 0x06000000.
I tested whether it would be set up correctly by using Linux as follow:
1) Memory size is specified to 96MB compulsorily.
init: Linux mem=96M
2) Access to Physical address space via virtual address in kernel space.
init_module(){
va = iormap(0x06000000, size);
*va = value;
value = *(va+n);
3) work good.
I tried on Solaris by the same way.
But I cannot find working.
1) Memory size is specified to 96MB compulsorily.
In /etc/system:
set physmem=23723 <- Page size is 4K in my system. lower than 96MB.
2) Access to Physical address space via virtual address in kernel space.
xxx_attach(){
ddi_regs_map_setup();
ddi_putX(value);
value = ddi_getX();
driver.conf
name="xxx" class="sysbus" reg=0,0x06000000, size;
And I tried access by using /dev/mem.
This also went wrong.
dose anyone have good idea?
Toru OHATA

Best practice question - hosting in virtual and physical

Hello,
I am looking for some feedback. unsure if this is the right forum or if the database forum is better. Trying here.
We are looking at moving into virtualization on Oracle T4 servers using zones.
Some possibly relevant background detail:
* The T4 servers will be hosting database, content management and web servers (all Oracle products). I'm only looking at the oracle database servers for this question.
* In general, we have server pairs. For a specific database (or group of databases), I have the prod server and a dev server. For another set of databases I have another prod and dev server. This way, i can patch the OS for one set but maybe not the others (for wahtever reason).
Specific scenario:
I have an older v440 server that I need to life cycle. The production server is on a newer v490 which is still under support for another year or so. My first thought was I can P2V it into a Solaris Zone on the T4. The direction we are taking is virtualization & consolidation to save money and make better use of our hardware. That is all great.
However, my concern is that my dev server is now virtualized and my production server is still physical. The OS patches are different as the hardware is different. However, the v440 and v490 they are on today would be slightly different as well. Oracle DB is certified on both and the database patches are the same regardless of the hardware since it is the same operating system. From a change management point of view, my patching process should be identical so if less of a concern as well.
However, I am not sure if this is a good idea or not and am wondering if anyone can advise based on their experience. What can I expect to run differently in a Zone compared to physical? This cannot be a reccomended practice, but I have not found much saying it is not a viable option either.
I am considering moving the production to a T4 Solaris Zone as well to keep them the same, however, that possibly means dropping a server that still have some years remaining (yes, it could be used by something else..but maybe).
Is this a viable solution - hosting dev on virtual and prod on physical? what problems could I expect?
Thanks!

T4-2 , T4-4(withbtwomcpu) has two pci_bus
T4-4 has four pci_bus
each pci_bus can associated with root domain that has direct access to physical device with pcie slots ofthe pci_ bus.
one can run zone inside these root domain.
IMHO, these zone will run better than v490 for you db prod.
for T4-4 one can use one RD as production and one RD as dev env
your webs env can all run inside zone in another RD

Identify virtual or physical within guest OS (Linux)

Hi,
Within the guest OS I want to know if I am running on a VM or a physical host. My guest OS is Linux. Would you let me know how can I get this info? What command is available?
I have seen 'dmidecode', but it requires super user privileges. I want to do this as a normal user.
Regards,
Vinay

You may want to pay attention to disk paths... ls on /dev/
Virtual linux guest use specfic path names. Pay attention to the x.... disk paths.

Moving Essentials from Virtual to Physical

I have been granted the great privilege of moving a Server 2012 Essentials server from a virtual machine running inside VirtualBox to a physical box. The physical box is the same one that the virtual box will be so the Linux distro will be wiped out.
I have no problem wiping out the OS and installing from scratch. The question I have is what can be backed up and restored in the way of AD so that I can have little impact on the workstations? Do I have the option to restore AD so that the
DC and all workstations will be imported to the new install? I do not want to go around to all workstations to join the domain again and run into profile issues. Thanks for any input.
Jon

-->The question I have is what can be backed up and restored in the way of AD so that I can have little impact on the workstations?
before moving, backup...windows server backup to backup the all state of server...
Best,
Howtodo

SAP HANA database is virtual or physical.

SAP HANA database stores data in virtual form or physical form in database ?

No. The processing is not "done on RAM" (sic). The processing is done in the processor.
That's the problem of using the "in memory" terminology.
It is not "in memory processing", it is "in memory storage", and I think that is where your misunderstanding starts.
As an analogy:
The state of the DB systems:
Traditional DB:
Main Storage: Disk <==> Secondary Storage: RAM <==> Processing: CPU
In Memory (HANA):
Secondary Storage: Disk <==> Main Storage: RAM <==> Processing: CPU
That is the reason why HANA is faster: the physical database lives inside the RAM

Virtual to physical address

Greetings. We are developing a network driver for Solaris and face a problem of flushing a buffer from/to a user area to/from a kernel area, outside a process context. The main question is how within a kernel module we can retrieve the physical addess to/from a virtual address of an arbitrary process ? Our targets are limited to Solaris 7 and 8. Thanks in advance for any help you'll provide.
Pierre.

Please refer hat_getkpfnum(9F) to do this from within a kernel module.
Otherwise, libkvm provides the foll function :
extern uint64_t kvm_physaddr(kvm_t *, struct as *, uintptr_t);
Refer man page for libkvm(3LIB)
Crash(1M) provides the function "vtop" to carry out this translation.

Virtual to physical address mapping

Is there a way to determine the physical address(es) of a pinned-down kernel buffer from it's virtual address and size, either in a device driver or user program? I'd like to use the physical address(es) to access the buffer via /dev/mem or some other method from a user level program.
I've seen references to "vtop" in examples on docs.sun.com, but don't find any documentation about that routine, and don't find it in include files on Solaris 7. Thanks in advance!

I think that in a device driver you can use hat_getkpfnum(9F) to get the physical page number from a virtual address.
In crash(1m) the vtop command will translate a virtual to a physical address.
I would have thought you could also just use the virtual address against /dev/kmem, as opposed to using a physical address against /dev/mem?
Hope that helps.
Ralph
SUN DTS

Physical vs virtual processors

Hi,
What are virtual processors. How many virtual processors exist per physical processor.
Thanks.

Available documentation, under:
(Virtual core/physical socket)
http://www.oracle.com/us/corporate/pricing/cloud-licensing-070579.pdf
(Virtual threads)
http://labs.oracle.com/scalable/pubs/WIOSCA2006.pdf
Bye.

IVI virtual name definitions prevent IVI physical names from functioning

I am writing an application using CVI 7.0, which communicates with IVI devices using virtual names (in this instance a Pickering switch).
This works fine.
A colleague is developing several applications on the same equipment using TestStand 3.0 and is attempting to reference the switch device by its physical name.
We have found that once a virtual name has been defined in MAX, attempts to use the physical name fail.
If the virtual name is removed the physical name works again.
We need both applications to communicate with the devices through either virtual or physical names.
Note that only 1 application will run at a time - either TestStand or CVI.
See the attachment for the TestStan
d error response and MAX configuration.
Regards
Alan Knowler
Attachments:
IVI_Names.doc ‏61 KB

Alan,
The issue is most probably in the specific driver. The error that gets returned in TestStand is BFFA4005 which is a specific driver error (see NI IVI Driver Help). Since we do not have access to the source code of the Pickering driver, you should contact their support channels. Although you said that everything works fine in CVI 7.0 using virtual names, I think you could come across the same issue if you would just use a different order of calls such as Connect, followed by the GetPath, and then SetPath functions.
Best Regards,
Vesna Jadric
Instrument Drivers/IVI
National Instruments

How to identify the physical IP address of AIX server on RAC Oracle 10g

Hi All,
Could you please help someone to identify the physical IP address of IBM AIX on RAC db. I have access to the database and I don't know whether the hostname mentioned in the tnsnames.ora file is virtual or physical ip adress . Is there any command to identify the physical IP address of AIX server. My objective is to gain acccess to those servers. I am a bit confused by looking at the virtual IP, private IP and Public IP addresses in the documentation and I am relatively new to this area. Also note that I am a junior developer who is trying to learn some new stuff.
Please throw some lights on this.

I am assuming you have access to the servers indicated in the tnsnames.ora file. After logging into those servers, take a look at /etc/hosts files, which lists the IP addresses and its associated host names. See if that helps. Another option is if you don't have access to the servers, "nslookup <ip_address_from_tns.ora>" should list the server name associated with the given IP Address. If your SAs have followed the general naming conventions - you should see -vip at the end.
HTH
thanks
Chandra

IDS in a Virtualized Environment

Can anyone elaborate on an IDS solution for a virtualized environment?
I have blade servers running ESX/ESXi - heavily virtualized environment. Im using blade switches as chassis I/O - no pass throughs.
The requirement is to run an IDS service such that VM-to-VM traffic is monitored. The traffic flow can be between two VMs on the same blade, 2 VMs on two separate blades in the same chassis, or two VMs on two separate chasses...
In that case, I see 3 traffic flows off the bat...
same blade: vm-to-vm traffic is switched by a hypervisor switch (1000v or vmware vDS).
different blades in same chassis: vm-to-vm traffic will leave blade and be switched by chassis hardware switch (chassis I/O blade).
different chassis: vm-to-vm traffic will have to go to ToR (maybe even end-of-row).
NOTE: if VMs are on different VLANs, traffic will always go to end-of-row/agg switches (the L3/L2 boundary).
So given all those possible flows, what is the best way to go about deploying an IDS service? Placement? Virtual or physical? etc....
Thanks!

Since you're asking this question in a Cisco forum, I assume you are looking for a Cisco type answer.
Cisco does not have any VM based sensors (unlike Sourcefire, and maybe some other vendors).
It appears that you can not configure a virtual switch to span traffic externally. However you CAN set up a VMware host to promiscuously receive a copy of all traffic on the vswitch.
I read about this solution that might help, but I've never tired it:
“The Solera V2P Tap is a VMware™ virtual appliance that passively captures network traffic flowing through an ESX Server virtual switch. The Solera V2P Tap then regenerates that traffic to any physical port, and then onto the physical wire, for complete visibility into the traffic and analysis by any existing security or management tool for in-depth monitoring or analysis.”
http://www.soleranetworks.com/products/datasheets/datasheetV2Ptap_web.pdf
- Bob

IDS in a Virtualized Environment (vmware)

Can anyone elaborate on an IDS solution for a virtualized environment?
I have blade servers running ESX/ESXi - heavily virtualized environment. Im using blade switches as chassis I/O - no pass throughs.
The requirement is to run an IDS service such that VM-to-VM traffic is monitored. The traffic flow can be between two VMs on the same blade, 2 VMs on two separate blades in the same chassis, or two VMs on two separate chasses...
In that case, I see 3 traffic flows off the bat...
same blade: vm-to-vm traffic is switched by a hypervisor switch (1000v or vmware vDS).
different blades in same chassis: vm-to-vm traffic will leave blade and be switched by chassis hardware switch (chassis I/O blade).
different chassis: vm-to-vm traffic will have to go to ToR (maybe even end-of-row).
NOTE: if VMs are on different VLANs, traffic will always go to end-of-row/agg switches (the L3/L2 boundary).
So given all those possible flows, what is the best way to go about deploying an IDS service? Placement? Virtual or physical? etc....
Thanks!

This topic was disccussed in this thread from last week:
(too bad we can't merge threads)
https://supportforums.cisco.com/thread/2092838?tstart=30
- Bob

Best (Thrifty) physical architecture for medium-size environment?

What is the absolute best physical architecture you would come up with for this medium size environment?

Thrifty? The SharePoint CALs alone will run you at least $1.5 million unless you already own these or have a good EA. You said "basic collaboration" so I'm assuming you don't also need Enterprise CALs though note some of the features you listed
could require enterprise licensing depending on how you're using them.
The information you haven't provided isn't enough to make an appropriate recommendation. While you have 10,000 users it's not clear how many concurrent users you expect, or what sort of workloads these users will have.
Are the users all in one location? Spread out geographically? What types of network connections? Why types of networking devices (such as a load balancer for your second option)
Is this virtual or physical? What are the hardware specs of the servers?
How many documents do you expect to have? How large will they be? What sort of storage is backing this farm? How many site collections, sites, lists, libraries, items do you expect? Workflows, third party solutions, customizations, etc. The list goes on.
Neither of these options provide high availability. Is this a concern for you? I ask because in my experience a SharePoint farm used by over 10,000 people needs to be highly available. If you need HA then you'll need more servers.
Honestly this forum isn't the best place to get the information you're looking for (i.e. an architectural design). Instead I recommend asking specific questions about specific problems you have with your design.
My question(s) then for you are: 1. Why are these the two designs you have? (in another way: What are the decisions and requirements you have that led you to these options) and 2. What is the challenge you're having in picking one of them?
Jason Warren
@jaspnwarren
jasonwarren.ca
habaneroconsulting.com/Insights

Virtual to physical

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