[DRBD-user] cluster configuration question

Graham Clinch g.clinch at lancaster.ac.uk
Fri Jul 7 18:54:05 CEST 2006

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


> Graham, a follow-up:
>
> Graham Clinch wrote:
>> We use LVM instead of md and EVMS in the following 'pile':
>>
>> Virtual machine disk files
>> Ext3 FS
>> DRBD
>> LVM
>> Physical disk
> Do you do any mirroring on each node, as well as across the nodes,  
> and if so, how is that set up? (I've been looking at EVMS because  
> it knows how to do mirroring rather than having to setup up md  
> separately).

We don't do any software mirroring, but some of the physical hosts  
have hardware RAID, which we run in RAID 5.  I've found it useful to  
make LVM stripe across the disks on the physical hosts that don't  
have hardware RAID to get the speed up.

Graham



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