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[Xen-changelog] [xen-unstable] This patch checks the contents of XENDOMA

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Subject: [Xen-changelog] [xen-unstable] This patch checks the contents of XENDOMAINS_SAVE before the restore
From: Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Fri, 08 Dec 2006 13:20:30 +0000
Delivery-date: Fri, 08 Dec 2006 05:22:20 -0800
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# HG changeset patch
# User Ewan Mellor <ewan@xxxxxxxxxxxxx>
# Node ID a330509abb20982fc75fb5fa66155d9bb09225f9
# Parent  e98c84468b725d57369b774d6baba3a62fde3a9c
This patch checks the contents of XENDOMAINS_SAVE before the restore
process begins, and prevents xendomains from attempting to start any
domain that appears there, whether the domain started successfully or

Signed off by: Hugh Brock <hbrock@xxxxxxxxxx>
 tools/examples/init.d/xendomains |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletion(-)

diff -r e98c84468b72 -r a330509abb20 tools/examples/init.d/xendomains
--- a/tools/examples/init.d/xendomains  Thu Dec 07 12:15:30 2006 +0000
+++ b/tools/examples/init.d/xendomains  Thu Dec 07 12:23:35 2006 +0000
@@ -204,12 +204,14 @@ start()
+    saved_domains=" "
     if [ "$XENDOMAINS_RESTORE" = "true" ] &&
        contains_something "$XENDOMAINS_SAVE"
         mkdir -p $(dirname "$LOCKFILE")
        touch $LOCKFILE
        echo -n "Restoring Xen domains:"
+       saved_domains=`ls $XENDOMAINS_SAVE`
        for dom in $XENDOMAINS_SAVE/*; do
            echo -n " ${dom##*/}"
            xm restore $dom
@@ -234,9 +236,14 @@ start()
        # Create all domains with config files in XENDOMAINS_AUTO.
        # TODO: We should record which domain name belongs 
        # so we have the option to selectively shut down / migrate later
+       # If a domain statefile from $XENDOMAINS_SAVE matches a domain name
+       # in $XENDOMAINS_AUTO, do not try to start that domain; if it didn't 
+       # restore correctly it requires administrative attention.
        for dom in $XENDOMAINS_AUTO/*; do
            echo -n " ${dom##*/}"
-           if is_running $dom; then
+           shortdom=$(echo $dom | sed -n 's/^.*\/\(.*\)$/\1/p')
+           echo $saved_domains | grep -w $shortdom > /dev/null
+           if [ $? -eq 0 ] || is_running $dom; then
                echo -n "(skip)"
                xm create --quiet --defconfig $dom

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