[system test] node shown as pending for a long time after index path change

Online upgrade 5 nodes cluster from 1.8.1
Cluster has one default bucket with 20 million items. Data path is set to c:/data
10.3.2.11
10.3.2.12
10.3.2.16
10.3.2.10
10.3.2.75

to 2.0.0-1971
10.3.2.11 (data path and index path is set to default path when install 2.0.0-1971)
10.3.2.16
10.3.2.75
10.3.2.76
10.3.2.77

Change index path in node 11 to new path (c:/index), couchbase server on node 11 restart.

curl -i -v --data "index_path=c:/index" "http://Administrator:password@10.3.2.11:8091/nodes/self/controller/settings"

• About to connect() to 10.3.2.11 port 8091 (#0)
• Trying 10.3.2.11... Connection refused
• couldn't connect to host
• Closing connection #0
  curl: (7) couldn't connect to host

I try to run again with cygwin style path

curl -i -v --data "index_path=/cygdrive/c/index" "http://Administrator:password@10.3.2.11:8091/nodes/self/controller/settings"

• About to connect() to 10.3.2.11 port 8091 (#0)
• Trying 10.3.2.11... connected
• Connected to 10.3.2.11 (10.3.2.11) port 8091 (#0)
• Server auth using Basic with user 'Administrator'
  > POST /nodes/self/controller/settings HTTP/1.1
  > Authorization: Basic QWRtaW5pc3RyYXRvcjpwYXNzd29yZA==
  > User-Agent: curl/7.21.3 (x86_64-pc-linux-gnu) libcurl/7.21.3 OpenSSL/0.9.8o zlib/1.2.3.4 libidn/1.18
  > Host: 10.3.2.11:8091
  > Accept: /
  > Content-Length: 28
  > Content-Type: application/x-www-form-urlencoded
  >
  < HTTP/1.1 400 Bad Request
  HTTP/1.1 400 Bad Request
  < Server: Couchbase Server 2.0.0-1971-rel-enterprise
  Server: Couchbase Server 2.0.0-1971-rel-enterprise
  < Pragma: no-cache
  Pragma: no-cache
  < Date: Mon, 03 Dec 2012 21:14:06 GMT
  Date: Mon, 03 Dec 2012 21:14:06 GMT
  < Content-Type: application/json
  Content-Type: application/json
  < Content-Length: 47
  Content-Length: 47
  < Cache-Control: no-cache
  Cache-Control: no-cache

<

• Connection #0 to host 10.3.2.11 left intact
• Closing connection #0
  ["An absolute path is required for index_path"]

In log page, see couchbase server restart on node 11

Couchbase Server has started on web port 8091 on node 'ns_1@10.3.2.11'. menelaus_sup001 ns_1@10.3.2.11 13:12:38 - Mon Dec 3, 2012
Shutting down bucket "default" on 'ns_1@10.3.2.11' for server shutdown ns_memcached002 ns_1@10.3.2.11 13:09:28 - Mon Dec 3, 2012
Setting database directory path to c:/Program Files/Couchbase/Server/var/lib/couchbase/data and index directory path to c:/index ns_storage_conf000 ns_1@10.3.2.11 13:09:28 - Mon Dec 3, 2012

Try connect to memcached on node 11, it hang

thuan@ubu-1604:/opt/couchbase/bin$ ./cbstats 10.3.2.11:11210 raw warmup