On Mon, Jan 29, 2001 at 11:48:29PM +0100, Tonu Samuel wrote:
> On Mon, 29 Jan 2001, Brian Reichert wrote:
>
> > In pawing though the source for mysql-3.22.32 (our current version
> > in production), I noticed in acconfig.h, a macro 'USE_RAID', which
> > in term seems to set up the use of <include/raid.h>.
> >
> > But, I can't find any documentation for this, and the configure
> > program doesn't seem to set it one way or another.
> >
> > What is the state of that code? For that version of MySQL, it it
> > useful/meaningful to activate it, if I intend to make use of a RAID
> > array?
>
> This is impossible. RAID was introduced in 3.23.x series. Also
> documentation have evreything about it.
'Impossible'?
Just now, I can grab:
<http://www.mysql.com/Downloads/MySQL-3.22/mysql-3.22.32.tar.gz>
And, in that tarball, on line 190 of acconfig.h:
/* Use MySQL RAID */
#undef USE_RAID
And there is a include/raid.h.
And, Docs/mysqld_error.txt has this message defined:
#define ER_NO_RAID_COMPILED 1174
"This version of MySQL is not compiled with RAID support",
There is no 'RAID' attribute to the 'CREATE TABLE' syntax in the
supplied docs.
My question was:
> What is the state of that code?
I _surmise_ that it's unused code, as it was not fully implemented
at this point. I was uncertain if it was code that specific to
the yet-to-be-introcuded RIAD attributes to a table, or if it just
messed with the layout of files on disk to allow for better
performance in general on RAID arrays.
I merely wanted verification.
>
> Tonu
>
--
Brian 'you Bastard' Reichert <[EMAIL PROTECTED]>
37 Crystal Ave. #303 Daytime number: (603) 434-6842
Derry NH 03038-1713 USA Intel architecture: the left-hand path
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