Re: formatting SSD drives

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Genes MailLists wrote:

> On 06/09/2011 12:37 AM, Michael Cronenworth wrote:
>> On 06/08/2011 09:06 PM, Genes MailLists wrote:
>>>   I'd appreciate any guidance on how I should partition a new intel 310
>>> soda creek SSD drive ... I've googles a bit there are suggestions about
>>> paritioning and using ext4 ..
>> 
>> You may use ext4 or btrfs as they both support TRIM. Be sure to add the
>> "discard" mount option to your /etc/fstab as it will not be automatic
>> because there is fear by some kernel developers that some drives have
>> bad TRIM performance. I have not seen this on consumer drives though and
>> you will not have a problem with your brand new SSD.
>> 
>> There is one catch. LUKS encrypted partitions do not support TRIM; even
>> if they are ext4 or btrfs underneath. I would also say LVM and RAID do
>> not support TRIM either, but as of 2.6.37, they both do.
> 
>    Thats very helpful thanks so much
> 
>   .. while I'll be putting F14 on this - I'll be using newer kernels -
> 2.6.39 and 3.0 once the dust settles a bit more.
> 
>     I used gparted to partition it - and set alignment to cylinder tho I
> wasn't sure if that was preferable to MiB alignment - any thoughts on
> alignment ?
> 
> 
> 
> 

Maybe add barrier=0 if this is a laptop

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