Messages in this thread | | | Date | Mon, 17 Jun 1996 08:57:33 -0700 | From | "Leonard N. Zubkoff" <> | Subject | Re: 2.2.0 wishlist |
| |
Date: Mon, 17 Jun 1996 10:26:48 +0200 (MET DST) From: Michael Neuffer <neuffer@goofy.zdv.uni-mainz.de>
On Sun, 16 Jun 1996, Alan Cox wrote:
> > One of the things wished for EXT2 is extra robustness, > > which can be achieved with writing the meta-data, and > > data in correct sequential order to the disk. > > Nope. A modern caching IDE drive will not always honour the physical write order > you give it blocks.
Neither will a caching SCSI controller.
Mike
Is a SYNCHRONIZE CACHE SCSI command sufficient to enforce ordering on the caching controller? If so, One could use such a command to force batches of commands to be completed and on the media before subsequent batches are executed.
Leonard
| |