[Users] Installing a lab setup from scratch using F18

[Shu Ming]

2013-1-22 2:11, Joop:
> As promised on IRC (jvandewege) I'll post my findings of setting up an 
> ovirt lab environment from scratch using F18.
> First some background:
> - 2 hosts for testing storage cluster with replicated gluster data and 
> iso domains (HP ML110 G5)
gluster data or cluster data?

> - 2 hosts for VMs (HP DL360 G5?)
> - 1 managment server (HP ML110 G5)
> All physical servers have atleast 1Gb connection and they also have 2 
> 10Gb ethernet ports connected to two Arista switches.
> Complete setup (except for the managment srv) is redundant. Using 
> F18-x64 DVD and using minimal server with extra tools, after install 
> the ovirt.repo and the beta gluster repo is activated.
> This serves as a proof of concept for a bigger setup.
>
> Problems sofar:
> - looks like F18 uses a different path to access video since using the 
> defaults leads to garbled video, need to use nomodeset as a kernel option
Do you mean the VDSM host installed with F18 or the guest in the host 
with FC 18 here? I suppose you don't have much chance to access the 
graphics screen of the VDSM host.

> - upgrading the minimal install (yum upgrade) gives me 
> kernel-3.7.2-204 and the boot process halts with soft locks on 
> different cpus, reverting to 3.6.10-4.fc18.x86_64 fixes that. 
> Managment is using 3.7.2 kernel without problems BUT it doesn't use 
> libvirt/qemu-kvm/vdsm, my guess its related.
> - need to disable NetworkManager and enable network (and ifcfg-xxx) to 
> get network going
> - adding the storage hosts from de webui works but after reboot vdsm 
> is not starting, reason seems to be that network isn't initialised 
> until after all interfaces are done with their dhcp requests. There 
> are 4 interfaces which use dhcp, setting those to bootprotocol=none 
> seems the help.
Usually, I use the static IP for each server because the engine add the 
VDSM host by IPs.

> - during deploy their is a warning about 'cannot set tuned profile', 
> seems harmless but hadn't seen that one until now.
> - the deployment script discovers during deployment that the ID of the 
> second storage server is identical to the first one and abort the 
> deployment (Blame HP!) shouldn't it generate a unique one using uuidgen??
>
>
> Things that are OK sofar:
> - ovirt-engine setup (no problems with postgresql)
> - creating/activating gluster volumes (no more deadlocks)
>
> Adding virt hosts has to wait til tomorrow, got problems getting the 
> dvd iso onto an usb stick, will probably burn a DVD to keep going.
>
> Joop
>
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>


-- 
---
舒明 Shu Ming
Open Virtualization Engineerning; CSTL, IBM Corp.
Tel: 86-10-82451626  Tieline: 9051626 E-mail: shuming at cn.ibm.com or shuming at linux.vnet.ibm.com
Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian District, Beijing 100193, PRC