On 4/14/07, Alexey Eremenko <[EMAIL PROTECTED]> wrote:
What will happen after "sdX" reaches from sda to sdz ? i.e. if you
have over 26 hard disks in your system ?

I tried to put a bunch of 2-channel IDE controllers in a SUSE box a
couple years ago.

I found that you run out of supported channels before you run out of
drive letters.  When I tried to actually do some performance testing
(dd bs=4k if=/dev/zero of=/dev/hdX to lots of drives) I found the
performance dropped off rapidly with lots of simultaneous disk
activity.  I chalked it up to running out of PCI-bus bandwidth, but I
don't really know.

Greg
--
Greg Freemyer
The Norcross Group
Forensics for the 21st Century
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