udev

I am having a problem creating a udev rule that sets max_sectors_kb to 1024 for sd* (sda,sdb,sdc etc...) devices under /sys/block/. Specifically, a recent kernel change means the max IO is too large for my iSCSI SAN so I am trying to set it to 1024 on startup. I have tried the following from...

We have a 3 x Intel S2600WTTR systems where the storage controllers are initialised out of order, resulting in the discs being associated out of order: /dev/sda - disk 5 /dev/sdb - disk 6 /dev/sdc - disk 1 /dev/sdd - disk 2 /dev/sde - disk 3 /dev/sdf - disk 4 We previously addressed...