Re: increase SD_STATS ?

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On Fri, Aug 19, 2005 at 10:02:43AM +0200, Frederic TEMPORELLI wrote:
> Hi,
> 
> 
> Due to SD_STATS=256  (/drivers/scsi/sd.c)
> there's a limit on the max /dev/sd devices.
> 
> Now, we have a large FC fabric, with more than 3500 LUNs...
> => Of course, we have an Oops when an HBA is connected to the fabric
> (still sd.c, BUG in function sd_iostats_bump when sd>SD_STATS)
> 
> What (bad) side-effects can be expected if we increase SD_STATS (4096 
> should be nice, may be 8192) ?

>From you description it looks like you are using some odd 2.4.x vendor
tree.  Just upgrade to latest 2.6 and these limitations will go away.

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