anderson@mips2.cr.bull.com (David Anderson) (07/27/90)
> I have run Oracle Databases with Raw disk for production systems on heavily > loaded systems. I must warn you that Raw disk uses the same Clist buffer > pool as terminals, and therefore your system must be appropriately tuned > to maintain data integrity. > UNIX systems are not very graceful about running out of system resources, > so you should plan for this requirement in advance. Large blocks of data > moving to/from the Raw disk will steal Clist buffers at a much faster rate > than any terminal with typical flow control settings. This means that your > seemingly abundant buffer pool could dwindle at a fantastic rate. > Martin Zam > (201)564-2554 Although I'm not doubting your veracity, I've never seen an os/physio.c (and subsequently any raw disk driver to which it passes its buffer pointer) that uses clists for raw disk access. What flavor of UNIX are you running? ============================================================================== Dave Anderson Bull HN Information Systems anderson@mips2.cr.bull.com 300 Concord Road. Billerica, MA 01821 508-294-3253 ==============================================================================