Jetzt mochte ich aber hierzu noch ein software raid 5. The sr raid set is on a separate intel raid adapter with separate sas drives. Any security issues found in software that is installed into dom0 can mean that the host is open to compromise. Direct disk access is 26 times faster than xenservers standard lvm or ext3 storage. I wish that i had his name so i could give him credit but its not here on the stuff i printed out. Hewlett packard enterprise hpe smart array e200i raid. In this example the raid setup on the server is where xenserver will be installed the raid system is reflected as sda 556 gb ibm serveraidmr10k for this guide, thin provisioning is not necessary. Hewlett packard enterprise hpe smart array p220i raid.
Xenservers raw disk performance was exactly the same as debian 7. This updated driver includes the following improvements. Hpe smart array p220i raid delivers value added software features with the smart array controller, which will further enhance performance, reliability, and availability of customer data. Basically after that we have setup the raid, following that thread its look that there is no official documentation. I got one more problem i have built a raid1 on over to disks on a dell s software raid controller. In this article we are going to discuss how to configure and install citrix xenserver 6. Its features will be delivered to the customer via a license key which enables the functionality on the smart array controller hardware. The alternative to this problem is configuring the system in software raid1. Afterwards you can log in and record the network configuration etc networkinginterfaces.
Dom0 kernel must have pciback driver xenpciback in pvops dom0 kernels in the case of a paravirtualized virtual machine pv guest, the pv domu kernel needs to have the xen pci frontend driver loaded for pci passthrough to work. It contains procedures to guide you through the installation, configuration, and initial operation of xenserver. The first step is to disable the bios raid and configure the two sata. If we need to extended the raid group, we must increase the disk by minimum 4 disks. You should now have a fully functional raid 1 xenserver 6. If your local storage is more than 2tb it will use metadata 1. The installation media will locate older versions of xenserver if the user wishes. First we set up the 2nd disk by copying the partition tables whilst enabling a degraded raid on it, then copy data over with custom initrd. I did my first test install of xenserver and first thing i notice is that it didnt see my hardware raid, but instead saw my 3 drives. These steps are only used if performing an upgrade to an older version of xenserver. How to install hp array config utility acu on xenserver 6.
Xenserver dom0 is designed to ensure the security of the hosts that it is installed on to. Sr on fakeraid onboard intel raid and tape drive trough iscsi to windows vm. Hi, have struggled with this for a day, too and found a soultion. I have always used hardware based raid on my xenservers but it appears that citrix does not support boot xenserver from a software raid but other have found ways to get it to work. Short tags support for new 2011 smart array controllers. Citrix xenserver is top server virtualization and hypervisor management platform which lowers the total cost of ownership for application, desktop, cloud and server virtualization infrastructures. This is a hotfix for customers running xenserver 6.
Unless i create an sr for the devsdf, i do not see this as a storage under the host server in xencenter. This document also contains information about troubleshooting problems that might occur during. The benefits that come with setting this configuration are. Sata direct local disk access on xenserver conglomernet. It is used in the worlds largest clouds and enterprises. That post also explains an optional adjustment to get a. After some research on the internet it seemed that most people would point out to use software raid. How to configure raid 5 after installing xenserver 7. First we set up the 2nd disk by copying the partition tables whilst enabling a degraded raid on. It stood in for the server while it got upgraded to xs7 from xs6.
First, a minimal os with gpt debian or ubuntu is installed on the server. Historically xenserver does not support software raid outthebox, and this is unchanged in the latest 6. Xenserver 7 raid1 mdadm after install running system. How to install hp array config utility acu on xenserver. I have written previously about how to convert citrix xenserver 6. How to install mdadm to xenserver 7 petr benas bl0g. I have with this blogpost gathered all the public informations available and created a blogpost on what i think is new with citrix xenserver 6. I dont see any issue with a lab box being pc based. I finally got my virtualization servers in, and all of my components to get them humming with xenserver 5. If the initrd is then regenerated for example, by installing a hotfix, xenserver. This site lists all the hardware components currently certified and supported for use with citrix hypervisor.
If your local storage is more than 2tb it will use metadata. Xenserver 7 and software raid configuration howtoforge. In addition, the price of software raid makes it a very desirable solution. This document is an installation guide for citrix xenserver, the complete server virtualization platform from citrix. Find answers to help with repairing an unplugged local sr raid5 on xenserver 6 after successful raid rebuild with changed raid uuid from the expert community at. Storage repository on software raid although citrix recommends against using software raid with xenserver due to performance issues, ive had some pretty awful experiences with hardware raid cards over the last few years. I understand that the drivers for said raid card should be in the kernel already. Make sure the the asterisk character is next to the hard drive selection to install xenserver and tab to the ok. Validated platforms this release family of nvidia vgpu software provides support for several nvidia gpus on validated server hardware platforms, citrix xenserver hypervisor software versions, and guest operating systems. The only problem i found was that the onboard raid controller on hp gl160g6 bv110i is really a hostraid or fakeraid solution. You can also use e2label on md0 raid on first partitions to add label on filesystem and make booting process independendent from devmd names. Hypervisor hardware compatibility list this site lists all the hardware components currently certified and supported for use with citrix hypervisor. Before you get started, go through the steps to disable gpt. Citrix hypervisor is the leading open source virtualization platform, powered by the xen hypervisor.
In this article i want to describe my experiences with citrix xenserver 5. The e200i is the embedded version of this array controller that ships in select server units, based on your ordering specifications. Although citrix recommends against using software raid with xenserver due to performance issues, ive had some pretty awful experiences with hardware raid cards over the last few years. Creation of multiple independent virtual systems from one physical server.
Jul 29, 2015 the alternative to this problem is configuring the system in software raid1. With these steps a virtualizaton platform must be established using xenserver 6. Hi, i am on the edge of upgrading my xenserver to 6. When doing an upgrade, the installer will create a backup of the current system automatically. This security hotfix addresses the vulnerabilities as described in the security bulletin above. But when i start to create a md0md1md2 arrays i see this error. Citrix have released a major release of their hypervisor xenserver 6.
Sep 20, 2016 someone here has already installer xenserver 7. On the steps to follow, devsda are used for the disc where the instalation was made and devsdb for the second disc with the same size. If a disk has a software raid signature, the xenserver activates it during boot. Basically, since xenserver 7 is based on centos 7, you should follow the centos 7 raid conversion guide. However their xenserver 7 install is hard raid only but its 7. I have been struggling to get the intel raid rs2wg160 with xenserver 6.
Jun 20, 2012 how to install hp array config utility acu on xenserver 6. Instructions for switching to raid 1 for xenserver 6. There is less than a 10% difference in performance between the ssd raid array on the vm with the presented disk than directly on the xenserver host. Fake raid controller only does the work of writing and the parity bit. I used the notes from some guy on the citrix forums. A problem i have encountered is that the xenserver 5. Most likely your disks are represented by scsi device names under linux xenserver 5. In raid 10, we need minimum of 4 disks, the first 2 disks for raid 0 and other 2 disks for raid 1. That will be many hundreds of dollars and no faster than software raid. This document describes how to install xenserver 6.
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