Am Montag, 23. Juli 2018, 12:51:01 CEST schrieben Sie: > Which means, as soon as I install such a BBU, the write-operations would > magically and immediately become fast? yes, writes goes "asynchronous" to/through RAM / buffer / cache on the controller then. If i remember correctly, the battery device is combined with a DIMM bar in a "cache extension pack".
> If only such a BBU wouldn't be so hard to find... :| Each HP vendor should be able to provide you one on request. This is a official "upgrade option" (to that contollers) too afaik - but typically bundled with a DIMM bar. > Is there no hack to simulate the presence of a BBU? This means a "hack" of the array controller firmware? This - if "available" - would probably crash your filesystems if power loss ß) good luck, niels. -- --- Niels Dettenbach Syndicat IT & Internet http://www.syndicat.com PGP: https://syndicat.com/pub_key.asc ---