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Possible scenarios: ESXi hosts cannot write or read to Datastores that are presented by PowerFlex ESXi hosts cannot see devices that are being presented by PowerFlex ESXi hosts hang when trying to create Datastores presented by PowerFlex
Possible causes: ESXi/SDS networking is not configured correctly. The ESXi host must have vmknic/s configured to reach the SDS backend data paths. The SDS VM must have nic/s configured to reach the ESXi hosts frontend data paths. If the PowerFlex backend has Jumbo frames enabled, then the ESXi hosts MUST be enabled as well. Duplicate IPs may exist in the environment To confirm the networking is configured correctly, do the following tests: Ping from the ESXi host to each SDS data path/s: vmkping -d -s 8972 < x.x.x.x > Ping from the SDS to the problem ESXi host/s on the data path/s: Ping -M do -s 8972 <x.x.x.x> Run this command on the ESXi host to check the connection state to the SDSs: localcli network ip connection list [root@localhost:~] localcli network ip connection list Proto Recv Q Send Q Local Address Foreign Address State World ID CC Algo World Name ------------------------------------------------------------------------------------------------------------------------------- tcp 0 0 10.0.1.1:58090 10.0.1.1:7073 SYN_SENT 71052 newreno net_sched tcp 0 0 10.0.1.2:58011 10.0.1.2:7072 ESTABLISHED 71052 newreno net_sched tcp 0 0 10.0.1.3:58094 10.0.1.3:7072 ESTABLISHED 71052 newreno net_sched Note that the State "SYN_SENT" indicates a connection issue. The state to each SDS needs to be "ESTABLISHED" Wrong SDS package installed. The standard SDS package (EMC-ScaleIO-sds-2.0.x) operates on port 7072 while other SDS packages operate on other ports. Example: EMC-ScaleIO- sds1 -2.0.x operates on port 7073. The SDC package is defaulted to connect through port 7072. To check which port the SDSs are operating on, run the following command from the current master MDM: scli --query_all_sds |grep -i SDS SDS ID: 78b9ea2900000002 Name: 10.0.0.3-ESX State: Connected, Joined IP: 10.0.1.3 Port: 7073 Version: 2.0.13000 SDS ID: 78b9ea2800000001 Name: 10.0.0.2-ESX State: Connected, Joined IP: 10.0.1.2 Port: 7072 Version: 2.0.13000 SDS ID: 78b9ea2700000000 Name: 10.0.0.1-ESX State: Connected, Joined IP: 10.0.1.1 Port: 7072 Version: 2.0.13000
Add any necessary vmknic/s to the ESXi host to ensure that it can reach communicate on the backend data paths. Enable Jumbo frames throughout the entire Data network if Jumbo frames are being used. Install the correct SDS package if the wrong one was installed unknowingly.
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