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|
#! /bin/sh
# aoe-flush - ask aoe driver to forget about devices
# Copyright 2009, CORAID, Inc., and licensed under GPL v.2.
zero="`basename $0`"
f="@devdir@/flush"
spec=""
if ! test -w "$f"; then
echo 1>&2 "$zero: $f does not exist or is not writeable."
exit 1
fi
if ! test -c $f; then
exec 1>&2
echo "$zero: $f is not a character device file"
echo "$zero: use udev or aoe-mkdevs to create it"
exit 1
fi
# make sure that each device in the whitespace-separated
# list exists
verify_devs () {
err=""
for d; do
aoe-stat |
awk -vd="$d" '$1==d{print $1}' |
test "`cat`" || {
exec 2>&1
echo "$zero Error: \"$d\" is not an aoe device"
err="$err $d"
}
done
test ! "$err"
}
err=""
if test "$1"; then
if test "$1" = "-a"; then
spec=all
else
spec="$*"
verify_devs $spec || exit 1
fi
for i in $spec; do
printf "$i" > "$f" || {
echo 1>&2 "$zero: flush failed"
err="$err $i"
}
done
else
echo > "$f" || err=no_args
fi
if test "$err"; then
exit 1
fi
|
