arif/xcat-core
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Have RedHat installs reduce risk of overwriting SAN volumes. The strategy:

Browse Source 
BIOS drive 80 is chosen if at all possible (don't know EFI way yet)
Failing that, first virtio block device
Failing that, then first block device served by ata_piix4, ahci, megaraid_sas, pmcraid
Failing that, first mptsas or mpt2sas
Failing that, first block device

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@12360 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso 2012-04-26 18:41:18 +00:00
parent 7ddb1fa4aa
commit 8250bc1673
1 changed files with 48 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
xCAT-server/share/xcat/install/scripts/pre.rh
View File

@ -126,6 +126,49 @@ chmod 755 /tmp/foo.py
/tmp/foo.py >/foo.log 2>&1 &
#time to ascertain fstype and PReP/UEFI/legacy
#also, find first available block device (sda or vda likely)
#TODO: pick a likely non-SAN target if possible
shopt -s nullglob
for disk in /dev/vd*[^0-9];do
if [ -z "$firstdirectdisk" ]; then firstdirectdisk=$disk; fi #remember first disk as a guess of medium resort
eddname=$(/lib/udev/edd_id $disk 2> /dev/null)
if [ ! -z "$eddname" -a "$eddname" = "int13_dev80" ]; then
instdisk=$disk
break
fi
done
if [ -z "$instdisk" ]; then
for disk in /dev/sd*[^0-9]; do
eddname=$(/lib/udev/edd_id $disk 2> /dev/null)
if [ ! -z "$eddname" -a "$eddname" = "int13_dev80" ]; then
instdisk=$disk
break
fi
currdriver=`udevadm info --attribute-walk --name $disk |grep DRIVERS|grep -v '""'|grep -v '"sd"'|head -n 1|sed -e 's/[^"]*"//' -e 's/"//'`
case "$currdriver" in
"ata_piix4"|"PMC MaxRAID"|"ahci"|"megaraid_sas") #certainly direct
if [ -z "$firstdirectdisk" ]; then firstdirectdisk=$disk; fi #remember first disk as a guess of medium resort
;;
"mptsas"|"mpt2sas") #*PROBABLY* not SAN, but SAS SAN is possible
if [ -z "$probablyfirstdirectdisk" ]; then probablyfirstdirectdisk=$disk; fi #remember first disk as a guess of medium resort
;;
*)
if [ -z "$firstdisk" ]; then firstdisk=$disk; fi #remember first disk as a guess of medium resort
;;
esac
done
fi
if [ -z "$instdisk" ]; then
if [ ! -z "$firstdirectdisk" ]; then
instdisk=$firstdirectdisk
elif [ ! -z "$probablyfirstdirectdisk" ]; then
instdisk=$probablyfirstdirectdisk
elif [ ! -z "$firstdisk" ]; then
instdisk=$firstdisk
fi
fi
modprobe ext4 >& /dev/null
modprobe ext4dev >& /dev/null
if grep ext4dev /proc/filesystems > /dev/null; then
@ -136,13 +179,14 @@ else
FSTYPE=ext3
fi
if [ `uname -m` = "ppc64" ]; then
echo 'part None --fstype "PPC PReP Boot" --size 8' >> /tmp/partitioning
echo 'part None --fstype "PPC PReP Boot" --ondisk $instdisk --size 8' >> /tmp/partitioning
fi
if [ -d /sys/firmware/efi ]; then
echo 'part /boot/efi --size 50 --fstype vfat' >> /tmp/partitioning
echo 'part /boot/efi --size 50 --ondisk $instdisk --fstype vfat' >> /tmp/partitioning
fi
#TODO: ondisk detection, /dev/disk/by-id/edd-int13_dev80 for legacy maybe, and no idea about efi. at least maybe blacklist SAN if mptsas/mpt2sas/megaraid_sas seen...
echo "part swap --size 1024" >> /tmp/partitioning
echo "part / --size 1 --grow --fstype $FSTYPE" >> /tmp/partitioning
echo "part boot --size 256 --fstype ext3 --ondisk $instdisk" >> /tmp/partitioning
echo "part swap --recommended --ondisk $instdisk" >> /tmp/partitioning
echo "part / --size 1 --grow --ondisk $instdisk --fstype $FSTYPE" >> /tmp/partitioning