[CentOS] Re: Centos 5 on Large Disks [SOLVED]

Wed Oct 24 18:42:54 UTC 2007
Scott Silva <ssilva at sgvwater.com>

on 10/23/2007 10:16 PM Anup Shukla spake the following:
> Anup Shukla wrote:
>> Hi All,
>>
>> Sorry if this has been answered many times.
>> But i have been going through a lot of pages (via google search).
>> The more i search, the more its confusing me.
>>
>> I have a server with 6 (750G each) SATA disks with H/W Raid 5.
>>
>> I plan to allocate the space as follows
>>
>> swap 8G
>> /boot 100M
>> / 20G
>> -- and remaining space to /data{1,2,3,N} (equal sizes)
>>
>> However after the installation and reboot, i got an error about bad 
>> partition for /data8
>>
>> I had hit the 2T limit.
>>
>> Then i found this page at 
>> http://www.knowplace.org/pages/howtos/linux_large_filesystems_support.php
>>
>> which speaks of using Parted/LVM2 and XFS.
>>
>> If i understand this correctly,
>> I need to have 1 disk to host the CentOS installation.
>> And i can use the other 5 disks in a RAID array
>> (label type gpt...)
>>
>> Is it not possible to partition and use the existing RAID 5 volume?
>>
>> I really am not sure about how to proceed for this big disk problem.
>>
>> Any ideas/links will really help.
>>
> 
> Dell PERC 5/i "does" have an option to create multiple LUNs.
> So, i have been quite moronic in not trying to apply logic initially.
> As for now, i am creating a small "system" disk,
> and multiple 500G "data" disks.
> 
> I do not really need to have 1 big partition for the data.
> 
> So this is a lot simpler setup i believe,
> and no chance of hitting the 2T limit.
> 
> A big thanks to everyone who guided me, and my apologies if this 
> qualifies as a "waste of time" post.
> 
> This, for sure, is the best list i have ever experienced.
> 
> Thank you all again.
> 
> Regards,
> A.S
I would not make the data partitions that small as linux will play hell 
thinking it really is separate drives and slow down. Make them just under the 
2T size.

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