[Linux-cluster] Can't see all volumes

Rick Stevens rstevens at vitalstream.com
Thu Feb 15 17:38:19 UTC 2007

On Thu, 2007-02-15 at 11:34 -0600, Jay Leafey wrote:
> You might want to change the number of LUNs visible to the SCSI adapter. 
>   We've got a Fibre-based SAN and we use a lot more than two LUNs.  You 
> can alter the number of LUNs the SCSI subsystem sees by adding the 
> following to your /etc/modprobe.conf file:
> options scsi_mod max_luns=255
> This will tell the SCSI subsystem to allow for up to 255 LUNs for each 
> SCSI device.
> Since we boot off of local storage I'm not sure how you would handle 
> this on boot, but I imagine it can be passed as a boot-time kernel 
> option for the initial install.

Indeed it can.

> Just a thought!
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- Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
- VitalStream, Inc.                       http://www.vitalstream.com -
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-          Consciousness: that annoying time between naps.           -

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