#acl merlyn:read,write All:read
<<TableOfContents()>>

== Verify 'NAS' Services are running ==
{{{
/nas/sbin/getreason
}}}
== Check running status of the 'DATA Movers' and view which slot is active/standby ==
{{{
nas_server -info -all 
}}}

== Confirm the VMAX/VNX is connected to the NAS ==
{{{
nas_storage -check -all
nas_storage --list
}}}

== Check file systems ==
{{{
nas_disk -list
df -h
server_sysconfig server_2 -virtual
/nas/bin/nas_storage –info –all
}}}

== View VNX SP IP Addresses from the CS console ==
{{{
grep SP /etc/hosts | grep A_
grep SP /etc/hosts | grep B_
}}}

== Check IP & DNS info on the CS/DM: ==
{{{
nas_cs -info
server_dns ALL
}}}

== Date & Time ==
{{{
Control Station: date
Data Movers: server_date ALL
}}}
== Change Data Mover IPs ==
{{{
server_ifconfig server_2 CIFS_INTERFACE down
server_ifconfig server_2 -delete CIFS_INTERFACE
server_ifconfig server_2 -create -Device Fail01 -name CIFS_INTERFACE -protocol IP 10.6.202.77 255.255.255.0 10.6.202.255
server_ifconfig server_2 -all


server_ifconfig server_2 MAIL_NFS down
server_ifconfig server_2 -delete MAIL_NFS
server_ifconfig server_2 -create -Device Fail01 -name MAIL_NFS -protocol IP 10.6.202.78 255.255.255.0 10.6.202.255
server_ifconfig server_2 -all
}}}

== Check the Data Mover Logs ==
{{{
server_log server_2
}}}

== Failing over a Control Station: ==
{{{
Failover:
/nas/sbin/./cs_standby -failover
Takeover:
/nasmcd/sbin/./cs_standby -takeover
Or reboot:
nas_cs –reboot
}}}

== Shutdown control station ==
{{{
/sbin/shutdown -h now

  * Power off CS1 from CS0:
/nas/sbin/t2reset pwroff -s 1
}}}

== Initiate a manual failover of server_2 to the standby Datamover: ==
  * server_standby server_2 -activate mover

== List the status of the Datamovers ==
  * nas_server -list

== Complete a full 'Health Check' ==
{{{
/nas/bin/nas_checkup

#check Log:# cd /nas/log/
ls
cat /nas/log/checkup-rundate.log

}}}

== Confirm the EMC NAS version installed and the model name ==
{{{
/nasmcd/bin/nas_version
/nas/sbin/model
}}}

== Restart NAS Services ==
{{{
/sbin/service nas stop
/sbin/service nas start
}}}


== To verify NTP status, using CLI run the server_date command ==
{{{
server_date server_2 timesvc stats ntp
}}}

  * To configure a Data Mover to use NTP :
{{{
From the Top Navigation Bar, click System > Hardware > Data Movers. 
Right click server_2 and click Properties.
Enter the IP address of the NTP server. 
Click Apply to accept the changes.
}}}

== View Network Configuration: ==
  * To display parameters of all interfaces on a Data Mover, type:
Control Station: /sbin/ifconfig (eth3 is the mgmt interface)

  * Data Movers: server_ifconfig server_2 -all

= Troubleshooting =
== Slot 2: Dns client is unable to connect to name server ==
{{{
server_ifconfig server_2 -all
server_ping server_2 -interface <yourinterfacenamehere> <DNS_server_IP_here>
}}}

= References =
  * https://davidring.ie/2015/04/23/emc-vnx-list-of-useful-nas-commands/