kickstarts: add support for mpath device
The device node in /dev/ and device path in /dev/disk/by-path can not be used directly for mpath devices, use /dev/mapper/mpathN and /dev/disk/by-id/dm-uuid-mpath-<WWID> instead. Test Plan: * with local disks PASS: install Standard with default boot menu PASS: install AIO with default boot menu PASS: install AIO (lowlatency) with boot_device= rootfs_device= * with mpath device PASS: install AIO with boot_device= rootfs_device= PASS: install AIO with boot_device=mpatha rootfs_device=mpatha PASS: install Standard with boot_device=mpatha rootfs_device=mpatha PASS: install AIO (lowlatency)with boot_device=mpatha rootfs_device=mpatha PASS: install AIO with boot_device=mpathb rootfs_device=mpathb PASS: install AIO with boot_device=/dev/mapper/mpatha rootfs_device=/dev/mapper/mpatha Failure Path: * with local disks PASS: install AIO with boot_device=mpatha rootfs_device=mpatha * with mpath device PASS: install AIO with default boot menu Story: 2010046 Task: 45419 Signed-off-by: Jackie Huang <jackie.huang@windriver.com> Signed-off-by: Thiago Miranda <ThiagoOliveira.Miranda@windriver.com> Change-Id: I60c5b2a7c7ca42d8e5e36ea517327c8a5431dde7
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@ -18,6 +18,14 @@ function wlog()
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function get_by_path()
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{
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local dev_name=\$(basename \$1)
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for p in /dev/mapper/mpath*; do
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if [ "\$p" = "\$1" -o "\$p" = "/dev/mapper/\$dev_name" ]; then
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find -L /dev/disk/by-id/dm-uuid* -samefile /dev/mapper/\$dev_name
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return
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fi
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done
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local disk=\$(cd /dev ; readlink -f \$1)
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for p in /dev/disk/by-path/*; do
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if [ "\$disk" = "\$(readlink -f \$p)" ]; then
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@ -29,6 +37,11 @@ function get_by_path()
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function get_disk()
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{
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if echo \$1 | grep -q mpath; then
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find -L /dev/mapper/ -samefile \$1
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return
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fi
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echo \$(cd /dev ; readlink -f \$1)
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}
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@ -95,6 +108,8 @@ function get_disk_dev()
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if [ -d /sys/block/\$blk_dev ]; then
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disk=\$(ls -l /sys/block/\$blk_dev | grep -v usb | head -n1 | sed 's/^.*\([vsdh]d[a-z]\+\).*$/\1/');
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if [ -n "\$disk" ]; then
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exec_retry 3 0.5 "multipath -c /dev/\$disk" > /dev/null && continue
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echo "\$disk"
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return
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fi
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@ -109,6 +124,12 @@ function get_disk_dev()
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fi
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fi
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done
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for mpath_dev in mpatha mpathb; do
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if [ -e /dev/mapper/\$mpath_dev ]; then
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echo "/dev/mapper/\$mpath_dev"
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return
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fi
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done
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}
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function exec_no_fds()
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@ -56,11 +56,22 @@ wlog "Detected storage devices:"
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for f in /dev/disk/by-path/*; do
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dev=$(readlink -f $f)
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exec_retry 2 0.5 "lsblk --nodeps --pairs $dev" | grep -q 'TYPE="disk"'
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if [ $? -eq 0 ]
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then
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if [ $? -eq 0 ]; then
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exec_retry 3 0.5 "multipath -c $dev" > /dev/null
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if [ $? -eq 0 ]; then
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mpath_dev=/dev/mapper/$(exec_retry 3 0.5 "multipath -l $dev" | head -n1 | cut -d " " -f 1)
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if echo $STOR_DEVS | grep -q -w $mpath_dev; then
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continue
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else
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STOR_DEVS="$STOR_DEVS $mpath_dev"
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mpath_path=$(find -L /dev/disk/by-id/dm-uuid* -samefile $mpath_dev)
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wlog " ${mpath_path}->${mpath_dev}"
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fi
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else
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STOR_DEVS="$STOR_DEVS $dev"
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wlog " ${f}->${dev}"
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fi
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fi
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done
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# Filter STOR_DEVS variable for any duplicates as on some systems udev
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