[CentOS] Large RAID volume issues

John R Pierce pierce at hogranch.com
Mon Feb 4 20:16:05 UTC 2008


Rob Lines wrote:
>
>
>     This would appear to be your problem.  Unless you have strong
>     reasons to
>     use 2K sectors, I'd change them to the much more standard 512.
>
>     After that, parted should have no issues whatsoever.
>
>
> In looking back through the configuration.  The 2kb sectors were set 
> in the Array in the Variable Sector Size as that was what it suggested 
> for the larger than 2tb slices.  The other option on the array was 
> using 16 byte CDB(Command Descriptor Block) but that options is not 
> compatible with the LSO cards according the manufacturer.
>
> I would guess that scaling it back to the 1kb per track would not 
> really help either.
>
> As an aside for the LVM option is there anything to be aware of using 
> it on such a large drive?


with LVM, you could join several smaller logical drives, maybe 1TB each, 
into a single volume set, which could then contain various file systems.





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