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NMSDK error: Zapi::parse_xml - Expected <netapp> element but got reason" errno="13001

neha_T

i am using NetApp python NMSDK 9.4

when i try to get information of lun , some time it is passing and most of the time i am getting below error

Zapi::parse_xml - Expected <netapp> element but got reason" errno="13001

<results status="failed" reason="Zapi::parse_xml - Expected <netapp> element but got volume-errors" errno="13001"></results>

how can i resolve this

-Neha

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Accepted answers

francoisbnc

Naserver Class is perhaps not thread safe. Try to create Naserver for each call.

All comments

gaurav_verma

Check if you are using the correct version of API with correct ONTAP version.

You specify API version here.

s = NaServer("XXXXXXXXX", 1 , 130) this is for API version 1.130.

To check API version for that ONTAP use

api = NaElement("system-get-ontapi-version")

francoisbnc

May I have details of your code?

Best

neha_T

@francoisbnc @gaurav_verma

i have written a function which get the lun info for specified "serial-number".

it is working fine, but when i tried to fetch multiple lun-info in multi-threaded environment. some threads are successful to fetch info. while some fail with the error i mention:

@gaurav_verma i have specified the on-tap version also: server = NaServer(ip, 1 , 32)

<snip>

def get_lun_by_serial_no(self, serial_no😞

try:

api = NaElement("lun-get-iter")

xi = NaElement("desired-attributes")

api.child_add(xi)

xi1 = NaElement("lun-info")

xi.child_add(xi1)

xi1.child_add_string("path","<path>")

xi1.child_add_string("serial-number","<serial-number>")

xi1.child_add_string("volume","<volume>")

xi1.child_add_string("size","<size>")

xi1.child_add_string("vserver","<vserver>")

xi1.child_add_string("uuid","<uuid>")

xi2 = NaElement("query")

api.child_add(xi2)

xi3 = NaElement("lun-info")

xi2.child_add(xi3)

xi3.child_add_string("serial-number",serial_no)

xo = self.serverobj.invoke_elem(api)

xmldata = xo.sprintf()

data = self.get_xml_to_dict_data(xmldata)

if (xo.results_status() == "failed") :

message = self.client_conn.format_exception(data)

raise Exception(message)

if data.get('num-records') != '0':

return data["attributes-list"]["lun-info"]

return []

except Exception as e:

message = "lib Fail to get luns: " + e

raise Exception(message)

<snip>

Error:

results status="failed" reason="Zapi::parse_xml - Expected <netapp> element but got volume-error" errno="13001">

francoisbnc

Did you tried to limit the number of threads you launch and start with a small number.

The Netapp api queue is limited, perhaps you reach this limit.

Try as well to create self.serverobj in the function as a local object Naserver, In your case you use the same Naserver for each thread.

neha_T

@francoisbnc

yes i m using semaphore of count 10

for NaServer object i am using below senario:

class NetAppClientConnect():

def __init__(self, ip, username, password😞

self.ip = ip

self.user = username

self.password = password

def getNaServerobj(self😞

try:

server = NaServer(self.ip, 1 , 32)

server.set_server_type("FILER")

server.set_transport_type("HTTPS")

server.set_port(443)

server.set_style("LOGIN")

server.set_admin_user(self.user, self.password)

return server

except Exception as e:

logger.error("Fail to get NaServer object")

raise Exception(str(e))

all functions calls be like.

class NetAppRestApiLib():

def __init__(self, ip, username, password😞

self.ip = ip

self.user = username

self.password = password

self.client_conn = NetAppClientConnect(

self.ip, self.user, self.password)

self.serverobj = self.client_conn.getNaServerobj()

def get_lun(self😞

try:

api = NaElement("lun-get-iter")

xi = NaElement("desired-attributes")

api.child_add(xi)

xi1 = NaElement("lun-info")

----

xo = self.serverobj.invoke_elem(api) ---- > for all i m using this self.serverobj

should i try something else????

neha_T

@gaurav_verma

is there any way through NMSDK script through which i can get the API-version

i am using below script but to get the output API version is required.

import sys
sys.path.append("<path_to_nmsdk_root>/lib/python/NetApp")
from NaServer import *

s = NaServer("--ip--", 1 , 130) --> apiversion is specified
s.set_server_type("FILER")
s.set_transport_type("HTTPS")
s.set_port(443)
s.set_style("LOGIN")
s.set_admin_user("vsadmin", "<password>")
api = NaElement("system-get-ontapi-version")

xo = s.invoke_elem(api)
if (xo.results_status() == "failed") :
print ("Error:\n")
print (xo.sprintf())
sys.exit (1)

print ("Received:\n")
print (xo.sprintf())

How can i get apiversion?

gaurav_verma

@neha_T

You can use any API version but still this API "system-get-ontapi-version" will give you correct API version.

api = NaElement("system-get-ontapi-version")

xo = s.invoke_elem(api)
if (xo.results_status() == "failed") :
print ("Error:\n")
print (xo.sprintf())
sys.exit (1)

print ("Received:\n")
print (xo.sprintf())