[CentOS] Re: Anaconda doesn't support raid10

[Feizhou]

Ruslan Sivak wrote:
> Feizhou wrote:
>>
>>>>> What advantages, if any, would lvm have over this set up?  
>>>>
>>>> How about flexible filesystem resizing? If you did it the way I 
>>>> suggested: 512MB /boot, 512MB /tmp, you have like 960GB of space to 
>>>> carve anyway you like. You also get lvm snapshots which you won't 
>>>> get with raid seeing that this is supposed to be a backup server too.
>>>
>>> Yea, I think for these reasons I will use lvm.  I have set up a 
>>> system as follows:
>>>
>>> /boot raid 1 200mb 4 drives no spares (I guess this makes 4 copies of 
>>> the data?)
>>
>> You have four disks which will be paired into two pairs. If one pair 
>> goes, everything goes. Might as well use one pair for /boot and the 
>> other for /tmp.
>>
> I'm not quite sure I understand?  This is raid1, not raid10.  While I'm 
> not sure exactly how raid1 works with 4 drives, I'm assuming everything 
> is a copy of a copy of a copy...
> So how would 2 drives going out kill the whole raid1 device?

NOT everything is raid1 now is it? Your data/system is on raid10 RIGHT?