3 # Copyright (c) 2010 iXsystems, Inc. All rights reserved.
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
8 # 1. Redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer.
10 # 2. Redistributions in binary form must reproduce the above copyright
11 # notice, this list of conditions and the following disclaimer in the
12 # documentation and/or other materials provided with the distribution.
14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 # Functions related to disk operations using gpart
30 # See if device is a full disk or partition/slice
33 for _dsk in `sysctl -n kern.disks`
35 [ "$_dsk" = "${1}" ] && return 0
41 # Get a MBR partitions sysid
42 get_partition_sysid_mbr()
46 PARTNUM=`echo ${2} | sed "s|${DISK}s||g"`
47 fdisk ${DISK} >${TMPDIR}/disk-${DISK} 2>/dev/null
50 echo "$i" | grep -q "The data for partition" 2>/dev/null
51 if [ $? -eq 0 ] ; then
53 PART="`echo ${i} | cut -d ' ' -f 5`"
54 if [ "$PART" = "$PARTNUM" ] ; then
59 # In the partition section
60 if [ "$INPART" = "1" ] ; then
61 echo "$i" | grep -q "^sysid" 2>/dev/null
62 if [ $? -eq 0 ] ; then
63 SYSID="`echo ${i} | tr -s '\t' ' ' | cut -d ' ' -f 2`"
69 done < ${TMPDIR}/disk-${DISK}
70 rm ${TMPDIR}/disk-${DISK}
75 # Get the partitions MBR label
76 get_partition_label_mbr()
80 PARTNUM=`echo ${2} | sed "s|${DISK}s||g"`
81 fdisk ${DISK} >${TMPDIR}/disk-${DISK} 2>/dev/null
84 echo "$i" | grep -q "The data for partition" 2>/dev/null
85 if [ $? -eq 0 ] ; then
87 PART="`echo ${i} | cut -d ' ' -f 5`"
88 if [ "$PART" = "$PARTNUM" ] ; then
93 # In the partition section
94 if [ "$INPART" = "1" ] ; then
95 echo "$i" | grep -q "^sysid" 2>/dev/null
96 if [ $? -eq 0 ] ; then
97 LABEL="`echo ${i} | tr -s '\t' ' ' | cut -d ',' -f 2-10`"
103 done < ${TMPDIR}/disk-${DISK}
104 rm ${TMPDIR}/disk-${DISK}
106 export VAL="${LABEL}"
109 # Get a GPT partitions label
110 get_partition_label_gpt()
113 PARTNUM=`echo ${2} | sed "s|${DISK}p||g"`
115 gpart show ${DISK} >${TMPDIR}/disk-${DISK}
118 SLICE="`echo ${i} | grep -v ${DISK} | grep -v ' free ' |tr -s '\t' ' ' | cut -d ' ' -f 3`"
119 if [ "${SLICE}" = "${PARTNUM}" ] ; then
120 LABEL="`echo ${i} | grep -v ${DISK} | grep -v ' free ' |tr -s '\t' ' ' | cut -d ' ' -f 4`"
123 done <${TMPDIR}/disk-${DISK}
124 rm ${TMPDIR}/disk-${DISK}
126 export VAL="${LABEL}"
129 # Get a partitions startblock
130 get_partition_startblock()
133 PARTNUM=`echo ${2} | sed "s|${DISK}p||g" | sed "s|${DISK}s||g"`
135 gpart show ${DISK} >${TMPDIR}/disk-${DISK}
138 SLICE="`echo ${i} | grep -v ${DISK} | grep -v ' free ' |tr -s '\t' ' ' | cut -d ' ' -f 3`"
139 if [ "$SLICE" = "${PARTNUM}" ] ; then
140 SB="`echo ${i} | grep -v ${DISK} | grep -v ' free ' |tr -s '\t' ' ' | cut -d ' ' -f 1`"
143 done <${TMPDIR}/disk-${DISK}
144 rm ${TMPDIR}/disk-${DISK}
149 # Get a partitions blocksize
150 get_partition_blocksize()
153 PARTNUM=`echo ${2} | sed "s|${DISK}p||g" | sed "s|${DISK}s||g"`
155 gpart show ${DISK} >${TMPDIR}/disk-${DISK}
158 SLICE="`echo ${i} | grep -v ${DISK} | grep -v ' free ' |tr -s '\t' ' ' | cut -d ' ' -f 3`"
159 if [ "$SLICE" = "${PARTNUM}" ] ; then
160 BS="`echo ${i} | grep -v ${DISK} | grep -v ' free ' |tr -s '\t' ' ' | cut -d ' ' -f 2`"
163 done <${TMPDIR}/disk-${DISK}
164 rm ${TMPDIR}/disk-${DISK}
169 # Function which returns the partitions on a target disk
170 get_disk_partitions()
172 gpart show ${1} >/dev/null 2>/dev/null
173 if [ $? -ne 0 ] ; then
178 type=`gpart show ${1} | awk '/^=>/ { printf("%s",$5); }'`
180 SLICES="`gpart show ${1} | grep -v ${1} | grep -v ' free ' |tr -s '\t' ' ' | cut -d ' ' -f 4 | sed '/^$/d'`"
184 MBR) name="${1}s${i}" ;;
185 GPT) name="${1}p${i}";;
186 *) name="${1}s${i}";;
188 if [ -z "${RSLICES}" ]
192 RSLICES="${RSLICES} ${name}"
196 export VAL="${RSLICES}"
199 # Function which returns a target disks cylinders
202 cyl=`diskinfo -v ${1} | grep "# Cylinders" | tr -s ' ' | cut -f 2`
206 # Function which returns a target disks sectors
209 sec=`diskinfo -v ${1} | grep "# Sectors" | tr -s ' ' | cut -f 2`
213 # Function which returns a target disks heads
216 head=`diskinfo -v ${1} | grep "# Heads" | tr -s ' ' | cut -f 2`
220 # Function which returns a target disks mediasize in sectors
223 mediasize=`diskinfo -v ${1} | grep "# mediasize in sectors" | tr -s ' ' | cut -f 2`
224 export VAL="${mediasize}"
227 # Function which exports all zpools, making them safe to overwrite potentially
231 for i in `zpool list -H -o name`
237 # Function to delete all gparts before starting an install
240 echo_log "Deleting all gparts"
243 # Check for any swaps to stop
244 for i in `swapctl -l | grep "$DISK" | awk '{print $1}'`
246 swapoff ${i} >/dev/null 2>/dev/null
249 # Delete the gparts now
250 for i in `gpart show ${DISK} 2>/dev/null | tr -s ' ' | cut -d ' ' -f 4`
252 if [ "/dev/${i}" != "${DISK}" -a "${i}" != "-" ] ; then
253 rc_nohalt "gpart delete -i ${i} ${DISK}"
257 # Destroy the disk geom
258 rc_nohalt "gpart destroy ${DISK}"
260 # Make sure we clear any hidden gpt tables
261 clear_backup_gpt_table "${DISK}"
263 # Wipe out front of disk
264 rc_nohalt "dd if=/dev/zero of=${DISK} count=3000"
268 # Function to export all zpools before starting an install
271 # Export all zpools again, so that we can overwrite these partitions potentially
272 for i in `zpool list -H -o name`
278 # Function which stops all gmirrors before doing any disk manipulation
281 local DISK="`echo ${1} | sed 's|/dev/||g'`"
282 GPROV="`gmirror list | grep ". Name: mirror/" | cut -d '/' -f 2`"
285 gmirror list | grep -q "Name: ${DISK}" 2>/dev/null
288 echo_log "Stopping mirror $gprov $DISK"
289 rc_nohalt "gmirror remove $gprov $DISK"
290 rc_nohalt "dd if=/dev/zero of=/dev/${DISK} count=4096"
295 # Make sure we don't have any geli providers active on this disk
298 local _geld="`echo ${1} | sed 's|/dev/||g'`"
301 for i in `ls ${_geld}*`
303 echo $i | grep -q '.eli' 2>/dev/null
306 echo_log "Detaching GELI on ${i}"
307 rc_halt "geli detach ${i}"
313 # Function which reads in the disk slice config, and performs it
317 # Cleanup any slice / mirror dirs
318 rm -rf ${SLICECFGDIR} >/dev/null 2>/dev/null
320 rm -rf ${MIRRORCFGDIR} >/dev/null 2>/dev/null
321 mkdir ${MIRRORCFGDIR}
323 # Start with disk0 and gm0
327 # Make sure all zpools are exported
330 # We are ready to start setting up the disks, lets read the config and do the actions
333 echo $line | grep -q "^disk${disknum}=" 2>/dev/null
337 # Found a disk= entry, lets get the disk we are working on
338 get_value_from_string "${line}"
339 strip_white_space "$VAL"
342 echo "${DISK}" | grep -q '^/dev/'
343 if [ $? -ne 0 ] ; then DISK="/dev/$DISK" ; fi
345 # Before we go further, lets confirm this disk really exists
346 if [ ! -e "${DISK}" ] ; then
347 exit_err "ERROR: The disk ${DISK} does not exist!"
350 # Make sure we stop any gmirrors on this disk
351 stop_all_gmirror ${DISK}
353 # Make sure we stop any geli stuff on this disk
354 stop_all_geli ${DISK}
356 # Make sure we don't have any zpools loaded
361 # Lets look if this device will be mirrored on another disk
362 echo $line | grep -q "^mirror=" 2>/dev/null
366 # Found a disk= entry, lets get the disk we are working on
367 get_value_from_string "${line}"
368 strip_white_space "$VAL"
370 echo "${MIRRORDISK}" | grep -q '^/dev/'
371 if [ $? -ne 0 ] ; then MIRRORDISK="/dev/$MIRRORDISK" ; fi
373 # Before we go further, lets confirm this disk really exists
374 if [ ! -e "${MIRRORDISK}" ]
376 exit_err "ERROR: The mirror disk ${MIRRORDISK} does not exist!"
380 # Lets see if we have been given a mirror balance choice
381 echo $line | grep -q "^mirrorbal=" 2>/dev/null
385 # Found a disk= entry, lets get the disk we are working on
386 get_value_from_string "${line}"
387 strip_white_space "$VAL"
391 echo $line | grep -q "^partition=" 2>/dev/null
394 # Found a partition= entry, lets read / set it
395 get_value_from_string "${line}"
396 strip_white_space "$VAL"
397 PTYPE=`echo $VAL|tr A-Z a-z`
399 # We are using free space, figure out the slice number
400 if [ "${PTYPE}" = "free" ]
402 # Lets figure out what number this slice will be
403 LASTSLICE="`gpart show ${DISK} \
411 if [ -z "${LASTSLICE}" ]
415 LASTSLICE=$((LASTSLICE+1))
418 if [ $LASTSLICE -gt 4 ]
420 exit_err "ERROR: BSD only supports primary partitions, and there are none availble on $DISK"
426 # Check if we have an image file defined
427 echo $line | grep -q "^image=" 2>/dev/null
428 if [ $? -eq 0 ] ; then
429 # Found an image= entry, lets read / set it
430 get_value_from_string "${line}"
431 strip_white_space "$VAL"
433 if [ ! -f "$IMAGE" ] ; then
434 exit_err "$IMAGE file does not exist"
438 # Check if we have a partscheme specified
439 echo $line | grep -q "^partscheme=" 2>/dev/null
440 if [ $? -eq 0 ] ; then
441 # Found a partscheme= entry, lets read / set it
442 get_value_from_string "${line}"
443 strip_white_space "$VAL"
445 if [ "$PSCHEME" != "GPT" -a "$PSCHEME" != "MBR" ] ; then
446 exit_err "Unknown partition scheme: $PSCHEME"
450 echo $line | grep -q "^bootManager=" 2>/dev/null
453 # Found a bootManager= entry, lets read /set it
454 get_value_from_string "${line}"
455 strip_white_space "$VAL"
459 echo $line | grep -q "^commitDiskPart" 2>/dev/null
462 # Found our flag to commit this disk setup / lets do sanity check and do it
463 if [ ! -z "${DISK}" -a ! -z "${PTYPE}" ]
468 # If we have a gmirror, lets set it up
469 if [ -n "$MIRRORDISK" ]; then
470 # Default to round-robin if the user didn't specify
471 if [ -z "$MIRRORBAL" ]; then MIRRORBAL="round-robin" ; fi
473 echo "$MIRRORDISK:$MIRRORBAL:gm${gmnum}" >${MIRRORCFGDIR}/$DISK
474 init_gmirror "$gmnum" "$MIRRORBAL" "$DISK" "$MIRRORDISK"
476 # Reset DISK to the gmirror device
477 DISK="/dev/mirror/gm${gmnum}"
481 if [ "$PSCHEME" = "MBR" -o -z "$PSCHEME" ] ; then
488 run_gpart_full "${DISK}" "${BMANAGER}" "${PSCHEME}"
492 tmpSLICE="${DISK}${PTYPE}"
493 # Get the number of the slice we are working on
494 s="`echo ${PTYPE} | awk '{print substr($0,length,1)}'`"
495 run_gpart_slice "${DISK}" "${BMANAGER}" "${s}"
499 tmpSLICE="${DISK}s${LASTSLICE}"
500 run_gpart_free "${DISK}" "${LASTSLICE}" "${BMANAGER}"
506 exit_err "ERROR: partition type image specified with no image!"
510 *) exit_err "ERROR: Unknown PTYPE: $PTYPE" ;;
518 if [ -n "${tmpSLICE}" ]
525 write_image "${IMAGE}" "${DEST}"
526 check_disk_layout "${DEST}"
529 # Now save which disk<num> this is, so we can parse it later during slice partition setup
532 _sFile=`echo $tmpSLICE | sed 's|/|-|g'`
533 echo "disk${disknum}" >${SLICECFGDIR}/$_sFile
536 # Increment our disk counter to look for next disk and unset
537 unset BMANAGER PTYPE DISK MIRRORDISK MIRRORBAL PSCHEME IMAGE
538 disknum=$((disknum+1))
540 exit_err "ERROR: commitDiskPart was called without procceding disk<num>= and partition= entries!!!"
549 # Init the gmirror device
556 # Create this mirror device
557 rc_halt "gmirror label -vb ${_mBal} gm${_mNum} ${_mDisk}"
563 # Stop all gjournals on disk / slice
566 _gdsk="`echo $1 | sed 's|/dev/||g'`"
567 # Check if we need to shutdown any journals on this drive
568 ls /dev/${_gdsk}*.journal >/dev/null 2>/dev/null
572 for i in `ls ${_gdsk}*.journal`
574 rawjournal="`echo ${i} | cut -d '.' -f 1`"
575 gjournal stop -f ${rawjournal} >>${LOGOUT} 2>>${LOGOUT}
576 gjournal clear ${rawjournal} >>${LOGOUT} 2>>${LOGOUT}
582 # Function to wipe the potential backup gpt table from a disk
583 clear_backup_gpt_table()
585 echo_log "Clearing gpt backup table location on disk"
586 rc_nohalt "dd if=/dev/zero of=${1} bs=1m count=1"
587 rc_nohalt "dd if=/dev/zero of=${1} bs=1m oseek=`diskinfo ${1} | awk '{print int($3 / (1024*1024)) - 4;}'`"
591 # Function which runs gpart and creates a single large GPT partition scheme
596 # Set our sysctl so we can overwrite any geom using drives
597 sysctl kern.geom.debugflags=16 >>${LOGOUT} 2>>${LOGOUT}
599 # Stop any journaling
600 stop_gjournal "${_intDISK}"
602 # Remove any existing partitions
603 delete_all_gpart "${_intDISK}"
607 echo_log "Running gpart on ${_intDISK}"
608 rc_halt "gpart create -s GPT ${_intDISK}"
609 rc_halt "gpart add -b 34 -s 128 -t freebsd-boot ${_intDISK}"
611 echo_log "Stamping boot sector on ${_intDISK}"
612 rc_halt "gpart bootcode -b /boot/pmbr ${_intDISK}"
616 # Function which runs gpart and creates a single large MBR partition scheme
624 # Set our sysctl so we can overwrite any geom using drives
625 sysctl kern.geom.debugflags=16 >>${LOGOUT} 2>>${LOGOUT}
627 # Stop any journaling
628 stop_gjournal "${_intDISK}"
630 # Remove any existing partitions
631 delete_all_gpart "${_intDISK}"
635 echo_log "Running gpart on ${_intDISK}"
636 rc_halt "gpart create -s mbr ${_intDISK}"
638 # Lets figure out disk size in blocks
639 # Get the cyl of this disk
640 get_disk_cyl "${_intDISK}"
643 # Get the heads of this disk
644 get_disk_heads "${_intDISK}"
647 # Get the tracks/sectors of this disk
648 get_disk_sectors "${_intDISK}"
651 # Multiply them all together to get our total blocks
652 totalblocks="`expr ${cyl} \* ${head} 2>/dev/null`"
653 totalblocks="`expr ${totalblocks} \* ${sec} 2>/dev/null`"
654 if [ -z "${totalblocks}" ]
656 totalblocks=`gpart show "${_intDISK}"|tail -2|head -1|awk '{ print $2 }'`
659 # Now set the ending block to the total disk block size
660 sizeblock="`expr ${totalblocks} - ${startblock}`"
662 # Install new partition setup
663 echo_log "Running gpart add on ${_intDISK}"
664 rc_halt "gpart add -b ${startblock} -s ${sizeblock} -t freebsd -i 1 ${_intDISK}"
667 echo_log "Cleaning up ${_intDISK}s1"
668 rc_halt "dd if=/dev/zero of=${_intDISK}s1 count=1024"
670 if [ "$_intBOOT" = "bsd" ] ; then
671 echo_log "Stamping boot0 on ${_intDISK}"
672 rc_halt "gpart bootcode -b /boot/boot0 ${_intDISK}"
674 echo_log "Stamping boot1 on ${_intDISK}"
675 rc_halt "gpart bootcode -b /boot/boot1 ${_intDISK}"
680 # Function which runs gpart and creates a single large slice
687 if [ "$SCHEME" = "MBR" ] ; then
688 init_mbr_full_disk "$DISK" "$BOOT"
689 slice=`echo "${DISK}:1:mbr" | sed 's|/|-|g'`
691 init_gpt_full_disk "$DISK"
692 slice=`echo "${DISK}:1:gpt" | sed 's|/|-|g'`
695 # Lets save our slice, so we know what to look for in the config file later on
696 if [ -z "$WORKINGSLICES" ]
698 WORKINGSLICES="${slice}"
701 WORKINGSLICES="${WORKINGSLICES} ${slice}"
706 # Function which runs gpart on a specified s1-4 slice
715 # Set the slice we will use later
718 # Set our sysctl so we can overwrite any geom using drives
719 sysctl kern.geom.debugflags=16 >>${LOGOUT} 2>>${LOGOUT}
721 # Get the number of the slice we are working on
724 # Stop any journaling
725 stop_gjournal "${slice}"
727 # Make sure we have disabled swap on this drive
728 if [ -e "${slice}b" ]
730 swapoff ${slice}b >/dev/null 2>/dev/null
731 swapoff ${slice}b.eli >/dev/null 2>/dev/null
734 # Modify partition type
735 echo_log "Running gpart modify on ${DISK}"
736 rc_halt "gpart modify -t freebsd -i ${slicenum} ${DISK}"
739 # Clean up old partition
740 echo_log "Cleaning up $slice"
741 rc_halt "dd if=/dev/zero of=${DISK}s${slicenum} count=1024"
745 if [ "${BMANAGER}" = "bsd" ]
747 echo_log "Stamping boot sector on ${DISK}"
748 rc_halt "gpart bootcode -b /boot/boot0 ${DISK}"
751 # Set the slice to the format we'll be using for gpart later
752 slice=`echo "${1}:${3}:mbr" | sed 's|/|-|g'`
754 # Lets save our slice, so we know what to look for in the config file later on
755 if [ -z "$WORKINGSLICES" ]
757 WORKINGSLICES="${slice}"
760 WORKINGSLICES="${WORKINGSLICES} ${slice}"
765 # Function which runs gpart and creates a new slice from free disk space
775 # Set our sysctl so we can overwrite any geom using drives
776 sysctl kern.geom.debugflags=16 >>${LOGOUT} 2>>${LOGOUT}
778 slice="${DISK}s${SLICENUM}"
779 slicenum="${SLICENUM}"
781 # Working on the first slice, make sure we have MBR setup
782 gpart show ${DISK} >/dev/null 2>/dev/null
783 if [ $? -ne 0 -a "$SLICENUM" = "1" ] ; then
784 echo_log "Initializing disk, no existing MBR setup"
785 rc_halt "gpart create -s mbr ${DISK}"
788 # Lets get the starting block first
789 if [ "${slicenum}" = "1" ]
793 # Lets figure out where the prior slice ends
794 checkslice=$((slicenum-1))
796 # Get starting block of this slice
797 sblk=`gpart show ${DISK} | grep -v ${DISK} | tr -s '\t' ' ' | sed '/^$/d' | grep " ${checkslice} " | cut -d ' ' -f 2`
798 blksize=`gpart show ${DISK} | grep -v ${DISK} | tr -s '\t' ' ' | sed '/^$/d' | grep " ${checkslice} " | cut -d ' ' -f 3`
799 startblock=$((sblk+blksiz))
802 # No slice after the new slice, lets figure out the free space remaining and use it
803 # Get the cyl of this disk
804 get_disk_cyl "${DISK}"
807 # Get the heads of this disk
808 get_disk_heads "${DISK}"
811 # Get the tracks/sectors of this disk
812 get_disk_sectors "${DISK}"
815 # Multiply them all together to get our total blocks
816 totalblocks=$((cyl*head))
817 totalblocks=$((totalblocks*sec))
820 # Now set the ending block to the total disk block size
821 sizeblock=$((totalblocks-startblock))
823 # Install new partition setup
824 echo_log "Running gpart on ${DISK}"
825 rc_halt "gpart add -b ${startblock} -s ${sizeblock} -t freebsd -i ${slicenum} ${DISK}"
828 echo_log "Cleaning up $slice"
829 rc_halt "dd if=/dev/zero of=${slice} count=1024"
833 if [ "${BMANAGER}" = "bsd" ]
835 echo_log "Stamping boot sector on ${DISK}"
836 rc_halt "gpart bootcode -b /boot/boot0 ${DISK}"
839 slice=`echo "${DISK}:${SLICENUM}:mbr" | sed 's|/|-|g'`
840 # Lets save our slice, so we know what to look for in the config file later on
841 if [ -z "$WORKINGSLICES" ]
843 WORKINGSLICES="${slice}"
846 WORKINGSLICES="${WORKINGSLICES} ${slice}"