Re: [CentOS] Centos 5 on Large Disks [SOLVED]

2007-10-24 Thread Anup Shukla 

Peter Kjellstrom wrote:


Reconsider the multiple 500G part. Slicing a raid-set up typically has bad 
performance effects (how bad depends on the controller). This results from 
that linux now considers several parts of your one raidset as devices to be 
scheduled independently.




Ok, looks like i am not done yet then.
I would like to spend some more time trying to do a performance 
benchmark. But, unfortunately, time is the constraint here for me.


Still, given the suggestion, i will surely try to reduce the number of 
slices.


Thank you for the information.

Regards,
A.S


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Re: [CentOS] Centos 5 on Large Disks [SOLVED]

2007-10-24 Thread Morten Torstensen 

Anup Shukla wrote:
Still, given the suggestion, i will surely try to reduce the number of 
slices.


I would make one system LUN at say 20GB and one data LUN with the rest 
of the RADI5 space.


On the system LUN I would make a /boot filesystem and a LVM partition 
with at least a / filesystem and swap. Usually I make /, /usr, /opt, 
/home, /var and /tmp but it varies a bit depending on what kind of 
machine it is.


The data LUN I would use as a PV directly for LVM and not bother with 
partitions at all.


//Morten

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Re: [CentOS] Centos 5 on Large Disks [SOLVED]

2007-10-23 Thread Christopher Chan 



So, i have been quite moronic in not trying to apply logic initially.


Please leave that term for those who really deserve it. As for not 
trying perhaps the lazy label is more suitable :-P

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