| Maxim S. Shatskih 2007-04-04, 1:14 pm |
| > Keep in mind that any application that writes enormous files to a
> Windows network share will experience gradual but steady performance
> degredation over time. This is due to a performance bug in the
> Windows itself, and has nothing to do with the application that is
> writing the data. This can be easily reproduced by writing a simple
> app that does nothing but constantly write a continuous stream of data
> to a specified file.
Exactly so, we have noticed it and measured it.
This is MS's issue, and is possible related to cache pollution - polluting the
cache faster then the lazy writer will flush it. Tweaking the cache settings in
the registry (after finding the MS's KB about them) can be a good idea.
> the backup image into ~50GB pieces. Most backup apps support
> splitting the backup image file.
ShadowProtect surely supports this, and I think Acronis and Norton Ghost/LSR
too.
--
Maxim Shatskih, Windows DDK MVP
StorageCraft Corporation
maxim@storagecraft.com
http://www.storagecraft.com
|