lvm/util/growfs.sh

	growfs.sh revision 7c478bd95313f5f23a4c958a745db2134aa03244
#!/bin/sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License, Version 1.0 only
# (the "License").  You may not use this file except in compliance
# with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
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# CDDL HEADER END
#
#
#pragma ident   "%Z%%M% %I% %E% SMI"
#
# Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

#exec newfs -G "$@"

myname=`basename $0`
USAGE="usage: $myname [ -M mount-point ] [ newfs-options ] raw-special-device"
if [ ! "$UFS_MKFS" ]; then
    UFS_MKFS="/usr/lib/fs/ufs/mkfs"
fi
verbose=""
mkfs_opts="-G"
mkfs_subopts=""
size=""
newsize=0
mount_pt=
UFS_MKFS_NOTENOUGHSPACE=33

add_opt() {
    mkfs_opts="$mkfs_opts $1"
}

add_subopt() {
    if [ ! "$mkfs_subopts" ]; then
        mkfs_subopts="-o $1"
    else
        mkfs_subopts="$mkfs_subopts,$1"
    fi
}

while getopts "GM:Nva:b:c:d:f:i:m:n:o:r:s:t:C:" c ; do
    save=$OPTIND

    case $c in
    G)  ;;
    M)  add_opt "-M $OPTARG"; mount_pt="$OPTARG" ;;
    N)  add_subopt "N" ;;
    v)  verbose="1" ;;
    a)  add_subopt "apc=$OPTARG" ;;
    b)  add_subopt "bsize=$OPTARG" ;;
    c)  add_subopt "cgsize=$OPTARG" ;;
    d)  add_subopt "gap=$OPTARG" ;;
    f)  add_subopt "fragsize=$OPTARG" ;;
    i)  add_subopt "nbpi=$OPTARG" ;;
    m)  add_subopt "free=$OPTARG" ;;
    n)  add_subopt "nrpos=$OPTARG" ;;
    o)  add_subopt "opt=$OPTARG" ;;
    r)  add_subopt "rps=`expr $OPTARG / 60`" ;;
    s)  size=$OPTARG ;;
    t)  add_subopt "ntrack=$OPTARG" ;;
    C)  add_subopt "maxcontig=$OPTARG" ;;
    \?) echo $USAGE; exit 1 ;;
    esac

    OPTIND=$save
done

shift `expr $OPTIND - 1`
if [ $# -ne 1 ]; then
    echo $USAGE
    exit 1
fi
raw_special=$1

if [ ! "$size" ]; then
    size=`devinfo -p $raw_special | awk '{ print $5 }'`
    if [ $? -ne 0 -o ! "$size" ]; then
        echo "$myname: cannot get partition size"
        exit 2
    fi
fi

cmd="$UFS_MKFS $mkfs_opts $mkfs_subopts $raw_special $size"
if [ -n "$verbose" ]; then
    echo $cmd
fi
$cmd; retv=$?

if [ $retv -eq $UFS_MKFS_NOTENOUGHSPACE ]; then
    echo "Growing filesystem in increments due to limited available space."

    while [ "$newsize" -lt "$size" ]; do
        cmd="$UFS_MKFS $mkfs_opts $mkfs_subopts -P $raw_special $size"
        if [ -n "$verbose" ]; then
            echo $cmd
        fi
        newsize=`$cmd`; retv=$?
        if [ 0 -ne $retv -o -z "$newsize" ]; then
            echo "$myname: cannot probe the possible file system size"
            exit 2
        fi
        if [ 0 -eq "$newsize" ]; then
            echo "$myname: the file system is full and cannot be grown, please delete some files"
            exit 2
        fi

        cmd="$UFS_MKFS $mkfs_opts $mkfs_subopts $raw_special $newsize"; retv=$?
        if [ -n "$verbose" ]; then
            echo $cmd
        fi
        $cmd; retv=$?
        if [ 0 -ne $retv ]; then
            echo "$myname: cannot grow file system to $newsize sectors"
            exit  $retv
        fi
    done
    echo \
"\nThe incremental grow has successfully completed, but since the first growth \
attempt failed (see output from first mkfs(1M) run), the filesystem is still \
locked and needs to be checked with fsck(1M).\n\
Please run \`fsck -F ufs $raw_special' and then unlock the filesystem \
with \`lockfs -u $mount_pt'." | fmt;

fi

exit $retv