[mythtv-users] Fastest RAID for HD?

Mark Hutchinson mark at onnow.net
Thu Feb 14 18:06:33 UTC 2008


So just for speed, a RAID 0 ( software raid ) will be fastest then for  
transient recordings?  What about LVM?


On 14-Feb-08, at 10:57 AM, John Drescher wrote:

>> From my experience, with Linux, software raid is a lot better than  
>> hardware
>> raid.
>>
> It depends on tuning. HW raid with a decent sized write cache (turned
> on) will suffer less from thrashing than software raid using the
> default cache sizes. I mentioned turned on, because a lot of cards
> default to turn off the cache unless you have purchased $150
> battery...
>
> John
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