Using block device as cnfs buffer under FreeBSD.

[newsmaster at alkar.net]

На Tue, 06 Mar 2007 11:18:58 -0800
Russ Allbery <rra at stanford.edu> записано:

> newsmaster <newsmaster at alkar.net> writes:
> 
> > FreeBSD 6.2, inn-2.4.3, compiled with large files support.
> 
> > Can I use block device (drive) directly as cnfs buffer? As far as I
> > see, no.
> 
> > In errlog:
> 
> > innd: SERVER cant initalize storage manager: one or more storage
> > methods failed initialization
> 
> > And that's it. How can I see more debug information to be sure that
> > problem is in FreeBSD?
> 
> news.notice will hopefully have more detailed messages, at least
> including the errno information.  Usually the problem is that mmap
> isn't supported on block devices (it's somewhat rare for this to be
> supported).

I'm sorry, there was a little problem with syslog configuration. Now I see:

innd: CNFS-sm: CNFSinitdisks: mmap for /dev/da3s1 offset 0 l
en 131072 failed: Invalid argument

What does it mean?

> 
> > Is there any disadvantage using one (or several) big file instead of
> > direct drive device?
> 
> It may be slightly slower due to the inode overhead, but in practice
> it's probably not noticable.
> 


-- 
С уважением, 

Сергей Чумаков
системный администратор ISP Оптима Телеком