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So easy to get all the info you need for a $POOL-$POSITION-$SERIAL label with mfiutil(8) and mfi(4)/mrsas(4)
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| ~% POOL=foobar; sudo mfiutil -u 1 show drives | sed -ne 's/ *\([0-9]*\) (.*serial=\([A-Z0-9]*\)> SCSI-[0-9]* \(E[0-9]*:S[0-9]*\)/ID=\1 SERIAL=\2 POS=\3/p'| while read LINE; do eval "$LINE"; DEV=`dmesg | sed -ne "/deviceid: $ID)/s/\(mfi[^:]*\):.*/\1/p" | tail -n 1`; echo $DEV has serial $SERIAL, located in $POS:; gpart | |
| list $DEV 2> /dev/null | grep label: || ( sudo gpart show $DEV || ( sudo gpart create -s gpt $DEV && sudo gpart add -a 1M -t freebsd-zfs -s 3700GB -l $POOL-`printf %02d "${POS#*S}"`-$SERIAL $DEV) ); done |
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Oh, sorry, we're fresh out of
\ns.