[CentOS] 12-15 TB RAID storage recommendations

[John R Pierce]

Les Mikesell wrote:
> On 4/13/2010 2:29 PM, Seth Bardash wrote:
>   
>> Just finished building a new server for inhouse use.   12.8TB
>>
>> Needed a nfs and samba server which could store 10TB and be reliable.
>> Also wanted to replace out DHCP server and our internal DNS server.
>> So needed to run dnsmasq plus ntp for time serving.
>>
>> This machine replace 3 older units.
>>     
>
> I'm not sure I'd put those on the same box - at least not for most 
> scenarios.  If the machine ever goes down and needs an fsck before 
> coming up, your DNS and DHCP services are going to be down for a long 
> time while it completes, killing the rest of your network. too.
>   

you can alleviate that quite a lot by having your OS plus core services 
running on their own mirror seperate from the mondo big raid, and 
juggling your fstab so the mondo big file systems aren't mounted until 
runlevel 3.