Mount hangs while using automounter
Applies to
- ONTAP 9
- NFS
- Multiprotocol
Issue
- Mount goes into hung state while using automounter on client
- DNS check fails with "No route to host"
::> dns check -vserver svm1
Name Server
Vserver Name Server Status Status Details
------------- --------------- ------------ --------------------------
svm1 10.yy.xx.5 down No route to host.
svm1 10.xx.xx.228 down No route to host.
svm1 10.xx.xx.236 down No route to host.
3 entries were displayed.
- LDAP check shows status "down" with details "DNS resolution failed"
::> ldap check -vserver svm1
Vserver: svm1
Client Configuration Name: qed-ldap
LDAP Status: down
LDAP Status Details: DNS resolution failed for all the hostnames specified with "-ldap-servers", Vserver: "svm1".
LDAP DN Status Details: DNS resolution failed for all the hostnames specified with "-ldap-servers", Vserver: "svm1".
- EMS logs show connection to LDAP and DNS using source LIF 10.ss.xx.xx fails with "No route to host"
svm1-12 ERROR secd.nfsAuth.noUnixCreds: Vserver "svm1" cannot determine UNIX identity. Error: Acquire UNIX extended credentials procedure failed
[ 1 ms] Entry for user-id: 90565 not found in the current source: FILES. Ignoring and trying next available source
[ 2] No servers available for LDAP_NIS_AND_NAME_MAPPING, vserver: 9, domain: .
[ 3] Failed to connect to 10.xx.xx.228 for DNS via Source Address 10.ss.xx.xx: No route to host
[ 3] Failed to connect to 10.xx.xx.236 for DNS via Source Address 10.ss.xx.xx: No route to host
[ 3] Failed to connect to 10.yy.xx.5 for DNS via Source Address 10.ss.xx.xx: No route to host
[ 3] Entry for host-name: QED-LDAP-FILER-WDC-VIP.netapp.com not found in any of the available sources
[ 3] Hostname found in Name Service Cache
[ 3] Refreshing cached entry failed. Using expired cache entry.
[ 3] Resolved LDAP servers: 10.ss.xx.22 Vserver: 9
[ 4] TCP connection to ip 10.ss.xx.22, port 389 via interface 10.ss.xx.xx failed: No route to host.
[ 4] Unable to start TLS: Can't contact LDAP server
[ 4] Unable to connect to LDAP (NIS & Name Mapping) service on qed-ldap-filer-wdc-vip.netapp.com
[ 4] No servers available for LDAP_NIS_AND_NAME_MAPPING, vserver: 9, domain: .
**[ 4] FAILURE: Unable to make a connection (LDAP (NIS & Name Mapping):), result: 6940
[ 4] Source: LDAP unavailable. Entry for user-id:90565 not found in any of the available sources
[ 4] Unable to retrieve credentials for UNIX user with UID 90565
svm1-12 ERROR secd.nfsAuth.problem: vserver (svm1) General NFS authorization problem. Error: Get user credentials procedure failed
[ 0 ms] Determined UNIX id 65534 is UNIX user 'pcuser'
[ 0] Mapping Successful for Unix-user 'pcuser' to Windows user '*\pcuser' at position 2
[ 0] Wildcard domain mapping
[ 6] Failed to connect to 10.xx.xx.228 for DNS via Source Address 10.ss.xx.xx: No route to host
[ 6] Failed to connect to 10.xx.xx.236 for DNS via Source Address 10.ss.xx.xx: No route to host
[ 6] Failed to connect to 10.yy.xx.5 for DNS via Source Address 10.ss.xx.xx: No route to host
**[ 6] FAILURE: Unable to contact DNS to discover domain controllers.
[ 6] Unable to make a connection (LSA:NA.NETAPP.COM), result: 6812