Laszlo Nagy <gandalf 'at' designaproduct.biz> writes:

> This is a mirrored disk with two SATA disks. In theory, writing should
> be slower than reading. Is this a hardware problem? Or is it that
> "sync" did not do the sync?

SATA disks are supposed to be capable of lying to pg's fsync (pg
asking the kernel to synchronize a write and waiting until it is
finished). Same can probably happen to the "sync" command.

-- 
Guillaume Cottenceau
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