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sysbk
2017 Dec 19
0
kernel: blk_cloned_rq_check_limits: over max segments limit., Device Mapper Multipath, iBFT, iSCSI COMSTAR
...that end I have
queried the /sys/block area for that information the below.
For debugging, at boot, I have disabled multipathd service
I wrote the below script to query /sys/block for block device information:
?
# cat bin/max_sectors_kb
#!/bin/bash
?
printf "%-18s: %-37s %-15s %-18s\n" $sysblk "Sys Block Node" "Device" "max_sectors_kb"
"max_hw_sectors_kb"
for b in `ls /sys/block/`
do
??????? sysblk=/sys/block/$b
??????? ls $sysblk/dm/name > /dev/null 2>&1
??????? if [ $? -ne 0 ]; then
??????????????? vendor=`cat $sysblk/device/vendor`
???...