On Jun 11, 2012, at 3:45 PM, Edgar Fuß wrote: >> This makes me think that /etc/daily should take similar steps, >> whatever they turn out to be. > Yes, allthough my RAIDframe performance test results show that the effect > decreases with larger block sizes. > > I can think of two ways to acheive this (each of which may be absurd given > better knowledge of fs internals than I have): Either a per-process switch > disabling atime updates or a way to obtain a read-only clone of a block > device which can be mounted ro,noatime. > > Maybe fss is a way to go, but it's still marked experimental in 6.0 and > taking the snapshot may outweigh the later performance gain.
No, snapshots are supported in 6.0. Taking a file system external snapshot should be a quick task -- taking a file system internal snapshots is a time consuming task dependent on the size of the file system. -- Juergen Hannken-Illjes - hann...@eis.cs.tu-bs.de - TU Braunschweig (Germany)
