The vmware article 2 says i can change to a nonxen kernel by editing the grub config, with the disclaimer that if you dont update the grub config correctly you can corrupt the os. What theyre talking about are raided windows volumes i. The p2v utility then creates a virtual machine configuration file g and creates raw virtual disk images from the disks on the computer. How to create a software raid 5 in linux mint ubuntu. 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. I currently run a baremetal linux server that has a 5x1tb raid5. Centos semimanual p2v vmware esxi software raid to non software raid, boots to kernel panic. In 2008 i set up a nas with 4x750gb drives in a raid5 array. Raid stands for redundant array of inexpensive disks which was later interpreted to redundant array of independent disks. Back then such a setup was pretty awesome and expensive. In this case, you should use a different method to include the new software raid device, as in the following example. The first four virtual disk images are created as ide disks hda, hdb, hdc, and hdd on the guest, using the original disk names. Yes, idea of raid1 is that one disk is a copy of another, but this is software raid and it based on partitions. P2v dell raid 5 servers to hyper v solutions experts exchange.
Creating raid 5 striping with distributed parity in linux. P2v fedora linux box with a software raid disk rcrcrc apr 11, 2012 10. It is a quick virtualization method that dumps the entire disk over the network to a new host machine. In 2008 i set up a nas with 4x750gb drives in a raid 5 array. It combines multiple available disks into 1 or more logical drive and gives you the ability to survive one or. As for converter supporting software raid, that is a very complex problem that not a lot of conversion tools dont support. Jun, 2017 so this is how raid 5 recover the data after replacing a new harddisk and follows the same steps to recover data if harddisk 2 or harddisk 3 got faulty. Adding an old software raid array to a software raid installation boot problems. A raid 0 5 6 on the other hand spreads the data over each disk in the set in chunks, theres no undoing it without destroying everything. Apr 16, 20 this only works for the following linux distros. If you have a small number of machines to convert, you can use this tool because its free. A customer has a noncritical hp server that they would like to p2v.
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. This tutorial explains how to view, list, create, add, remove, delete, resize, format, mount and configure raid levels 0, 1 and 5 in linux step by step with practical examples. This is only even plausible because it is in a mirror raid 1 so in theory the partitions should be fine after the operation and the filesystem will still know where the data is. 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. However, including the software raid devices in nf helps the system assemble them at boot time if any software raid devices already exist, this command creates duplicate entries for them in nf. Breaking a linux software raid 1 for import using vmware. 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.
Will a ex software raid 1 disk boot without raid software. The softwareraid howto linux documentation project. P2v conversion fail of a win2k8 r2 server with a software raid. Nov 12, 2014 this article is a part 4 of a 9tutorial raid series, here we are going to setup a software raid 5 with distributed parity in linux systems or servers using three 20gb disks named devsdb, devsdc and devsdd. This is the raid layer that is the standard in linux 2.
How to p2v linux into vmware esx server esx virtualization. P2v migration converting rhel5centos5 physical server into. Aug 16, 2016 how to manage raid arrays with mdadm on ubuntu 16. I am able to to a bare metal recovery to dissimilar hardware, but this takes a. It is even harder is you have older version of red hat such as 7. Other than that, no, its not possible to do what you want. 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. P2v migration converting rhel5centos5 physical server. 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. How to virtualize red hat and centos linux physical server. Vmware converter is very powerful tool to provide physical to virtual conversion. I want move the data over to my virtualbox host 64bit ubuntu 12. I am able to to a bare metal recovery to dissimilar hardware, but this takes a very long time. Solved how to convert linux box with software raid5 to.
Starwind virtual san for vsphere linux software raid. Raid 10 is a combine of raid 0 and raid 1 to form a raid 10. You need not rewrite mbr again after rebuild arrays. The last versions of vmware converter claim to support p2v of linux based servers.
So if youre using windows raid then youre basically out. How to remove sw raid for vmware converter to work david. 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. 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. We just need to remember that the smallest of the hdds or partitions dictates the arrays capacity. Apr 28, 2017 how to create a software raid 5 on linux.
Ubuntu server p2v that is running software raid5 server fault. 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. We can use full disks, or we can use same sized partitions on different sized drives. Sep 29, 2009 a customer has a noncritical hp server that they would like to p2v. Sep 06, 2017 vmware vcenter converter standalone is an easy tool that enables you to convert physical servers windows or linux to virtual machines. Dd is common unix linux command that is commonly used for capturing disk images to a file. Converter is a pretty well made tool for being free.
On top of this, the mirrored disks are split into two logical partitions, c. I only have dozens of linux servers and have yet to attempt a linux p2v until now. Vmware vcenter converter standalone is an easy tool that enables you to convert physical servers windows or linux to virtual machines. Such an awesome setup with raid5 and a cold spare just in case made me feel safe about my data. We did a trial run at p2v with vmware converter and got a message that it cant convert due to using a xen kernel 1. I have tried to use vmwares standalone converter but that does not work on a running server with software raid. A raid 056 on the other hand spreads the data over each disk in the set in chunks, theres no undoing it without destroying everything. Are raid disks really universally unsupported for vmware. P2v migration converting rhel5centos5 physical server into hyperv vm published on 20170420 author admin as there is no direct vm conversion tool from physical linux server to hyperv vm, to perform p2v migration of rhel5centos5 physical server into microsoft hyperv virtual machine you should use vmware platform as an intermediate point. Centralized management console allows users to queue up and monitor multiple simultaneous remote, as well as local, conversions. This guest probably wont be bootable, but its sufficient for testing virtv2v, reproducing the bug and seeing if it is fixed. You can run the p2v utility interactively or as an automated process using a kickstart configuration file. 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.
This technology is now used in almost all the it organizations looking for data redundancy and better performance. It combines multiple available disks into 1 or more logical drive and gives you the ability to survive one or more drive failures depending upon the raid. 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. Dynamic disks that also have a windows raid 10 or raid5 array ontop of them. My question is does mounting the old disks as a raw disk mess with linux software raid5 or lvm2. P2v conversion fail of a win2k8 r2 server with a software. Now in this article i will show you steps to addremove partitions from your raid partition. This article is a part 4 of a 9tutorial raid series, here we are going to setup a software raid 5 with distributed parity in linux systems or servers using three 20gb disks named devsdb, devsdc and devsdd.
In our earlier articles, weve seen how to setup a raid 0 and raid 1 with minimum 2 number of disks. Esxi itself doesnt support any software raid implementation in any way, shape or form. Adding an old softwareraid array to a softwareraid installation boot problems. Converting red hat and centos linux physical server into vmware vsphere esx servers is not an easy task as compare to ms windows. Lvm was not supported for boot until grub2 which has its. Such an awesome setup with raid 5 and a cold spare just in case made me feel safe about my data. If it does not support your chipset, then either you have to download the driver source from dell if its available then compile it, or you can wait for the newer linux kernel available on debianubuntu repository, then we will include that in the latest testing clonezilla live. If you need to convert thousands of vms, you should use another tool that brings more automation such as double. This is the p2v method that we used to convert a physical linux server to a virtual machine running on kvm. Failure tolerance method raid 56 erasure coding capacity.
Learn basic concepts of software raid chunk, mirroring, striping and parity and essential raid device management commands in detail. Software raid 5 always missing 1 disk after reboot. P2v fedora linux box with a software raid disk vmware. Centos semimanual p2v vmware esxi software raid to nonsoftware raid, boots to kernel panic. This howto describes how to use software raid under linux. To setup raid 10, we need at least 4 number of disks. P2v dell raid 5 servers to hyper v solutions experts.
Data recovery on a crashed raid5 array leaseweb labs. Dear respected gurus, good day we are new to expert exchange solutions. You cant get the hba to see you existing data since the ondisk format is different, and even if you could magically do that, then youd be presenting a file system that esxi doesnt support. 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. I have a physical production webserver running ubuntu 10. Creating raid 5 striping with distributed parity in. It also supports conversion of thirdparty virtual machines like hyperv and kvm. Convert physical linux server to vmware p2v vmware. Here we will use both raid 0 and raid 1 to perform a raid 10 setup with minimum of 4 drives.
Id like to completely migrate that raid over to my esxi host, without losing the data on the raid. It addresses a specific version of the software raid layer, namely the 0. I have used disk2vhd, easeus p2v, paragon server backup p2v, so i think it is something with raid drivers but i am not sure. How to resize software raid partition in linux golinuxhub. However, if your volume is running on a hardware raid real raid or fake raid and youre doing an online conversion, you should be fine. I was looking at possibly using clonezilla and it doesnt support software raid in linux either. This is the raid layer that is the standard in linux2.
420 600 614 156 240 850 833 206 140 189 191 742 285 226 102 1355 903 1023 1459 1248 934 49 956 45 388 578 68 165 1418 873