On Wed, Jul 06, 2011 at 06:51:07PM +0200, Adi Kriegisch spake thusly: > (actually write barriers should be enabled for all those AoE devices -- > especially with newer kernels.)
How? > One data block of this RAID can only be written at once. So whenever only > one bit within that block changes, the whole block has to written again The alignment issues at every layer of the storage system have always been my biggest hassle in dealing with SANs. -- Tracy Reed Digital signature attached for your safety. Copilotco Professionally Managed PCI Compliant Secure Hosting 866-MY-COPILOT x101 http://copilotco.com
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