26.10.2011 8:58, Alex Peshkoff wrote: > Probably I've missed some details. Capacitor present on HDD is really > enough only for making sector's writes atomic. A solution with capacitor > to save cache somewhere requires additional flash RAM - in that case not > too big capacitor is enough to save write cache data to NVRAM. When > power is back again, contents of the flash is will be stored on disk.
Don't forget about the energy from rotating. In old HDD it was enough for heads' parking. In modern models it may be enough for cache writing as well. -- SY, SD. ------------------------------------------------------------------------------ The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
