Erez Zilber wrote:
> Hi,
> 
> I'm running a setup of open-iscsi connected to a target. When I run
> I/O from the initiator (e.g using dd) with transaction size of 128kB,
> I sometimes see that 2 128kB requests are aggregated to a single 256kB
> request. This is rare, but it happens from time to time. Can I disable
> this feature? Who is responsible for that? Is it scsi-ml?
> 

block layer.

/sys/block/sdX/queue/max_sectors_kb

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