P2v linux software raid configuration

Virt p2v is comprised of both virt p2v server, included in the virtv2v package, and the p2v client, available from the red hat customer portal as rhel6. Disk2vhd for doing p2v peter asked what is the best way to go virtual physical to virtualp2vwith a raid 1 hard drive array. This howto describes how to use software raid under linux. The softwareraid howto linux documentation project. Often the creation of an it environment is planned without a hardware raid controller. Setting up raid 1 mirroring using two disks in linux. Then you just leave your linux server and go to your windows xp or vista workstation and connect to your linux server remotely via s for example 08. To configure software raid devices as storage, do the following. Ubuntu server p2v that is running software raid5 server fault. I mentioned to my buddy alexander lash my partner in crime at teched 2008 where we presented a great session on hyperv scripting all the challenges of linux p2v migrations, and he mentioned an easy way to do it using dd and vhdtool.

The p2v utility then creates a virtual machine configuration file g and creates raw virtual disk images from the disks on the computer. To use the p2v utility, you boot from the oracle vm server iso on the physical computer you want to convert to a hardware virtualized guest. If any software raid devices already exist, this command creates duplicate entries for them in nf. Virt p2v is comprised of both virtp2vserver, included in the virtv2v package, and the p2v client, available from the red hat customer portal as rhel6. Lvm was not supported for boot until grub2 which has its own issues. Make a backup, then edit the etcnf file to include the lines highlighted. Now in this article i will show you steps to addremove partitions from your raid partition. We cover how to start, stop, or remove raid arrays, how to find information about both the raid device and the underlying storage components, and how to adjust the. Solved how to convert linux box with software raid5 to.

Oct 20, 2014 this article will guide you through a stepbystep instructions on how to setup a software raid 1 or mirror using mdadm creates and manages raid on linux platform. When the device was physical i had a software raid 1 configured. How to create a software raid 5 in linux mint ubuntu. Then e in first disk, like this it will continue the round robin process to save the data. I will explain this in more detail in the upcoming chapters.

Vmware have now released converter 4 which has support for p2v conversion of linux systems, but only live conversion using a helper vm which has a number of drawbacks for a start it only. As for converter supporting software raid, that is a very complex problem that not a lot of conversion tools dont support. Software raid are available without using physical hardware those are called as software raid. Log in to your red hat account red hat customer portal.

We just need to remember that the smallest of the hdds or partitions dictates the arrays capacity. Breaking a linux software raid 1 for import using vmware. Although the same instructions also works on other linux distributions such as redhat, centos, fedora, etc. How to resize software raid partition in linux golinuxhub. Starwind v2v converter newest update starwind blog. If you are working as a linux system administrator or linux system engineer or you are already a storage engineer or you are planning to start your career in field of linux or you are preparing for any linux certification exam like rhce or you are preparing for linux admin interview then the the understanding of concept of raid become so important for you along with its configuration. P2v fedora linux box with a software raid disk rcrcrc apr 11, 2012 10.

You can find more information about software raid in the oracle linux documentation at. Lastly i hope the steps from the article to configure software raid 0 array on linux was helpful. Now you have successfully configured linux software raid and viewed the raid status using various command. A customer has a noncritical hp server that they would like to p2v. Setting up raid 1 mirroring using two disks in linux part 3. From this we come to know that raid 0 will write the half of the data to first disk and other half of the data to second disk. How to remove linux software raid1 md raid onthefly so that. In order to use software raid we have to configure raid md device which is a. During cloning of powered on linux machines, converter standalone does not recognize source volumes that are part of a software raid configuration also referred to as multiple disk, or md, configurations. Starwind vsan for vsphere raid configuration starwind blog. I was looking at possibly using clonezilla and it doesnt support software raid in linux either. May, 2010 i mentioned to my buddy alexander lash my partner in crime at teched 2008 where we presented a great session on hyperv scripting all the challenges of linux p2v migrations, and he mentioned an easy way to do it using dd and vhdtool. Raid can be created, if there are minimum 2 number of disk connected to a raid controller and make a logical volume or more drives can be added in an array according to defined raid levels. In this article i will share the steps to configure software raid 5 using three disks but you can use the same method to create software raid 5 array for more than 3 disks based on your requirement.

Jul 02, 20 now you have successfully configured linux software raid and viewed the raid status using various command. This physical server had a dell perc raid controller with two raid1 volumes. Operating system will access raid device as a regular hard disk, no matter whether it is a software raid or hardware raid. Apr 16, 20 then you just leave your linux server and go to your windows xp or vista workstation and connect to your linux server remotely via s for example 08. Learn how to use mdadm to configure raid on linux in azure. It is installed with 2 x sata disks without a sata raid controller, runs windows server 2003 and uses software raid 1 mirror over the two disks which are set as dynamic. Converter is a pretty well made tool for being free. Step by step guide to configurecreate software raid 1 mdadm. While configuring raid it is always advised to add a spare partition to your raid device so that in case of any hard disk failure the spare partition can be utilized. The way that p2v work is that they read the data out from inside of the os, not by taking it offline and imaging that way. Once its stopped,you can remove the superblock to destroy complete raid configuration from the configured disks. Jun, 2017 there are so many levels are there for raid and each level comes with some new invented features. The first four virtual disk images are created as ide disks hda, hdb, hdc, and hdd on the guest, using the original disk names. The physical to virtual p2v feature requires a red hat enterprise linux 6 virtualization host with.

Using raid 0 it will save as a in first disk and p in the second disk, then again p in first disk and l in second disk. Linux block size1024 log0 fragment size1024 log0 26104 inodes, 104320 blocks 5216 blocks 5. My problem however is that my linux box is using i think software raid 5 and the few software that i saw didnt play well with software raid. In this case, you should use a different method to include the new software raid device, as in the following. How to p2v linux into vmware esx server esx virtualization. However, discussion group participants have noted mixed success with using disk2vhd for doing p2v on a hardware raid. Nov, 2016 remove any physical server, or hardware, management software such as raid management, drivers, etc. Once the node is up make sure your software raid 0 array is mounted on your mount point i.

P2v dell raid 5 servers to hyper v solutions experts exchange. Resolving linux boot issues after p2v with vmware converter. You can run the p2v utility interactively or as an automated process using a kickstart configuration file. Another level, linear has emerged, and especially raid level 0 is often combined with raid level 1. I cant seem to figure out how to remove it using about every guide and suggestion ive found online. This howto does not treat any aspects of hardware raid. I am able to to a bare metal recovery to dissimilar hardware, but this takes a very long time. We can use full disks, or we can use same sized partitions on different sized drives. It is even harder is you have older version of red hat such as 7. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. Hardware raid 10 using 4 hd only 8 tb available from 16tb, one hd 4tb as hot spare if one hd fails and the last hd 4tb for backup. Apr, 2016 hi, im trying to convert a linux cent os 6. By default, converter standalone has a 20 minute timeout when waiting for the helper virtual machine to start up during linux p2v conversion.

I have written another article with comparison and difference between various raid types using figures including pros and cons of. Other than saying degraded it looks perfectly fine. P2v dell raid 5 servers to hyper v solutions experts. Get details of raid configuration linux stack overflow. I have a physical production webserver running ubuntu 10.

If you want remove the software raid, use the below methods. Linux provides md kernel module for software raid configuration. This is the raid layer that is the standard in linux2. Lvm was not supported for boot until grub2 which has its. Adding an old softwareraid array to a softwareraid installation boot problems. Feb 10, 2012 while vmware converter 5 does a good job livecloning the existing linux servers, sometimes you have to use the cold clone boot cd if the physical server uses software raid and then boot vm from the broken mirror side, or sometimes the resulting vm does not boot because of issues with bootloader.

Now that its been converted i would like to remove that raid configuration. Hardware raid 10 using 6 hd only 12tb available from 24tb and then install linux. Since you mention server most likely there is hardware raid present. I have used disk2vhd, easeus p2v, paragon server backup p2v, so i think it is something with raid drivers but i am not sure. The client can also be used to convert a vmware workstation or fusion virtual machine to a vcenter infrastructure vm or viceversa. Im not sure if the following will help you because i dont know anything about the vmware p2v converter, but here goes. Aug 12, 2014 5 comments on breaking a linux software raid 1 for import using vmware converter i rarely post supergeeky stuff on here, but since i couldnt find any good instructions to do this important and critical activity on the internet, and my coworkers had to piece together a set of steps that worked for us, i wanted to share what we learned. P2v linux migrations are a combination of science, art and luck. Starwind virtual san for vsphere linux software raid configuration. Software raid 5 always missing 1 disk after reboot. While vmware converter 5 does a good job livecloning the existing linux servers, sometimes you have to use the cold clone boot cd if the physical server uses software raid and then boot vm from the broken mirror side, or sometimes the. Converter standalone does not recognize source volumes that reside on linux software raid configurations during cloning of powered on linux machines, converter standalone does not recognize source volumes that are part of a software raid configuration also referred to as multiple disk, or md, configurations. Adding an old software raid array to a software raid installation boot problems. However, including the software raid devices in nf helps the system assemble them at boot time.

Converting red hat and centos linux physical server into vmware vsphere esx servers is not an easy task as compare to ms windows. Dd is common unix linux command that is commonly used for capturing disk images to a file. I only have dozens of linux servers and have yet to attempt a linux p2v until now. How to remove sw raid for vmware converter to work david hrbac.

So software raid 5, as ill advised as that is, should have any affect on the process. Now that its been converted i would like to remove that raid configuration since obviously it isnt needed now. Using starwind vsan, the process of deploying vms, providing faulttolerant storage, connecting it to hypervisor, and creating highly available vms becomes a piece o cake. How to virtualize red hat and centos linux physical server. The source can be a physical server, or a virtual machine using another platform such as hyperv. Nov, 2018 starwind v2v converter is a great tool intended to speed the process of hypervisor switch faster with minimum interaction of an it administrator. P2v fedora linux box with a software raid disk vmware. The physical machine was hosting a school management software, running on a customized debian distro. There is note in virtv2v guide saying red hat enterprise linux 4 and red hat enterprise linux 5 physical machines with their filesystem root on a software raid md device cannot be converted to virtual machines. Will a ex software raid 1 disk boot without raid software. Vmware vcenter converter enables physical and virtual machines to be converted into vmware virtual machines. This article will guide you through a stepbystep instructions on how to setup a software raid 1 or mirror using mdadm creates and manages raid on linux platform. On top of this, the mirrored disks are split into two logical partitions, c.

P2v migration fails for system which uses software raid. I have tried to use vmwares standalone converter but that does not work on a running server with software raid. In addition, with p2v functionality added, it is much easier to virtualize your physical environment. Configure software raid on a linux vm azure linux virtual. It addresses a specific version of the software raid layer, namely the 0. Converting physical machines to virtual machines red. Creating software raid0 stripe on two devices using. In order to use software raid we have to configure raid md device which is a composite of two or more storage devices. I am able to to a bare metal recovery to dissimilar hardware, but this takes a.