On May 11,  4:14pm, Leslie Todd Masco wrote:

> ...my conclusion: that the read/write clustering isn't the source of
> the problem but rather tickles a bug elsewhere.  I keep looking out of
> the corner of my eye at VM, but am intimidated at going deep into it
> for now (BTW, where can I get docs on 4.4 vm?  Ted mentioned to me that
> the demon book is obselete on vm).

> BTW, I've also noticed that the memory in the machine makes a big difference
> in the frequency of all the problems (inetd through crashing under load).
> My machine with 24 MB crashes a whole lot less often than the 4 with
> 16MB (all 2100s... in a couple of days I'll have some 5000s to play with).

For what it's worth, my /240 has never had less that 64 MB, and I
haven't seen this problem yet.

I'm also using RZ58's - I think I saw something about earlier DEC disks
(RZ23's specifically??) not handling clustered reads/writes very well.

Just some random mumblings.

Simon.