At work I am having lots of discussion on block alignment with NetApp. As I read various forums there is lots of advice on checking/fixing block alignment however it appears to be very VMware focused. I note Win 2008 R2 and Centos 6 automatically start partitions at 4k block boundaries but Centos 5 does not.
So my key Q is - as XCP uses Centos 5 as Dom0 and is therefore not block aligned is there a performance hit in using local ext3 storage repositories (my reading suggest LVM SRs should not be impacted)? If yes is there a way to avoid/correct this? Regards, Jon
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