Re: [CentOS] fixing partition alignment ?

2012-12-13 Thread Natxo Asenjo
On Wed, Dec 12, 2012 at 4:36 PM, Laurent Wandrebeck l.wandreb...@gmail.com wrote: Hi there, I've discovered that most of the hard drives used in our cluster got misaligned partitions, thus crippling perfs. Is there any way to fix that without having to delete/recreate properly aligned

Re: [CentOS] fixing partition alignment ?

2012-12-13 Thread Laurent Wandrebeck
Thank you all for your feedback. I was afraid that I had to move data around, well, I'll do then :) It'll just be quite long and boring… @Robert: Even if copying to another disk or box would be speedier, I'm talking about moving twice ~90TB here, so… @Les: I've had enough disk failures to be sure

[CentOS] fixing partition alignment ?

2012-12-12 Thread Laurent Wandrebeck
Hi there, I've discovered that most of the hard drives used in our cluster got misaligned partitions, thus crippling perfs. Is there any way to fix that without having to delete/recreate properly aligned partitions, then format it and refill disks ? I'd be glad not to have to toy with moving

Re: [CentOS] fixing partition alignment ?

2012-12-12 Thread Robert Nichols
On 12/12/2012 09:36 AM, Laurent Wandrebeck wrote: I've discovered that most of the hard drives used in our cluster got misaligned partitions, thus crippling perfs. Is there any way to fix that without having to delete/recreate properly aligned partitions, then format it and refill disks ? I'd

Re: [CentOS] fixing partition alignment ?

2012-12-12 Thread Les Mikesell
On Wed, Dec 12, 2012 at 9:36 AM, Laurent Wandrebeck l.wandreb...@gmail.com wrote: I've discovered that most of the hard drives used in our cluster got misaligned partitions, thus crippling perfs. Is there any way to fix that without having to delete/recreate properly aligned partitions, then