[mythtv-users] Better think twice before choosing an FS especially for LVM

Blake blake at kingdomrpg.com
Thu Sep 15 22:47:53 UTC 2005


On Thu, 15 Sep 2005 15:44:27 -0700, David <myth at dgreaves.com> wrote:

>> I don't know of many people with good experiences using RAID.
>
> You need to meet more people :)

I would, but I'm a misanthrope. That's why I need to get my MythTV  
working. ;-)

> RAID0 over multiple disks can give *huge* boosts to throughput.
> It offers no resilience (so more AID than RAID) but it means that you
> can issue say 4 read requests to a 4 drive RAID0 array and the head from
> drive 1 skitters away to service request 1, drive 2 does request 2 ,
> drive3: request3, drive4:request4 ... all in parallel so you appear to
> get 4 times the performance - equivalent to say: 2ms seektime and
> 300Mb/s *real* transfer speed - still laughing?

No, now I'm crying because I can't possibly shuttle that much data over my  
network.

(Seriously, thanks. That makes sense about RAID0. Always wondered why  
someone would use it.)


More information about the mythtv-users mailing list