Max usable disk space

[Mark Haney]

Jason Ragsdale wrote:

> I wonder if that would affect me as i am planning on doing 1 raid  
> device at first, (the 4 300GB's) and making a LVM out of it. Then  
> adding another device later with the 4 500's and adding in the new 
> LVM  drives into the current group. So i would have >2tb but it would 
> be  spread across 2 raid devices and 8 disks.
> -jason


The array I'm building is 7.5TB across 15 500GB SATA2 drives.  In 
communication with the vendor over this, I found out that little tidbit 
about fdisk.  So, I'm going to have to do the same thing with LVM 
groups.  I understand there might be a performance hit on this, but I 
won't know until I get it built and tested.  Does anyone know the deal 
with FDISK?  Are there plans to fix that little problem?  I mean pretty 
soon 2TB is gonna be a drop in the bucket for most filesystems, and 
considering ext3 handles 64TB or more, this seems a horrible limitation.

>
> Quoting Mark Haney <mhaney at ercbroadband.org>:
>
>> Jason Ragsdale wrote:
>>
>>> All,
>>> I am looking to build a NSF server starting with:
>>> 4 x 300GB drives RAID5, and adding 4 more 500GB RAID5 drives later.  
>>>  Is there a max filesystem size limit with fedora core 4? Or are   
>>> there any  other options that may cause me issues later down the   
>>> road? Thanks in  advance.
>>> -Jason
>>>
>> I just found out that fdisk doesn't like raw devices > 2TB.  Don't know
>> of a way around that limitation, but that's the only one I can think of.
>>
>>
>> -- 
>> Interdum feror cupidine partium magnarum Europae vincendarum
>>
>> Mark Haney
>> Sr. Systems Administrator
>> ERC Broadband
>> (828) 350-2415
>>
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>
>
>
>


-- 
Interdum feror cupidine partium magnarum Europae vincendarum

Mark Haney
Sr. Systems Administrator
ERC Broadband
(828) 350-2415