Please note that you could have as many devices as you wish in the pair.txt file before issuing create device. Once the dg is created, use the dg name instead of the file name to query the pair status For example, the below commands create 'pair_dg' and add device 045C into it.ĩ. You could also create a disk group and add all source devices into it and then manage the pairs using the dg name. Symrdf -file pair.txt -rdfg 2 set mode async (or sync)Ĩ. There are also other caveats in configuring SRDF/A or SRDF/S which I will explain in another post. It is recommended to wait until the pairs are in sync in adaptive copy mode before switching the mode. Switch the SRDF mode of operation from adaptive copy to Aysnc or sync, depending on the requirements. Symrdf -file pair.txt -rdfg 2 esta -sid 089ħ.
Once the below command is completed, execute command in step 5 to verify the status. Symrdf -file pair.txt -rdfg 3 query -sid 089Ħ.
Symrdf -file pair.txt -sid 089 -rdfg 3 createpair -type RDF1 -invalidate r2 -rdf_mode acpĥ. The commad will create the pairs in Adaptive copy mode. So the command will pick the destination device 0285 from Sym ID 099 based on the relationship defined in rdfg 3. rdf group 3 is already configured between Sym ID 089 and 099. The command below will create pair between the devices mentioned in the text file from source array 089 using rdf group 3. Create the pair between the source and target devices using the above text file. Click here for the procedure to create and expand striped meta devices.Ĥ. For example, if 045C is a striped meta device with 4 hypers of 60GB, then 0285 must be a striped meta of the same size. So the text file will look like thisĠ45C and 0285 should have identical device characteristics. In the example, we will be creating an RDF pair from source device 045C on symmetrix id 089 to destination device 0285 on symmetrix id 099. Create a text file on the management server as below with a list of source devices against the destination devices.
Symrdf addgrp -label testrg -rdfg 03 -sid 089 -dir 7g -remote_rdfg 03 -remote_sid 099 -remote_dir 7g -gigeģ. To create RDF group 'testrdfg' with group id 3 and RDF directors 7G between symmetrix id 089 (prod site) and 099 (dr site), execute the command below Click here to find the procedure for configuring FCIP using Brocade san switches.Ģ. The other alterbatives are DWDM (FC) or use third party solutions such as Brocade 7800s to establish the connectivity between the sites. The EMC symmetrix VMAX supports GigE RAs that can be used to configure FCIP between two sites. Establish the replication link between the production site (source) and dr site (destination). This article provides step by step configuration procedure to create SRDF pairs between two EMC symmetrix storage arrays.ġ.
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How to create SRDF pairs between two EMC symmetrix VMAX storage arrays
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