Sergey Gotliv has posted comments on this change.

Change subject: engine: Setup multiple iscsi sessions with the iscsi target
......................................................................


Patch Set 2:

(4 comments)

http://gerrit.ovirt.org/#/c/23198/2/backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/storage/ISCSIStorageHelper.java
File 
backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/storage/ISCSIStorageHelper.java:

Line 83:         for (StorageServerConnections conn : conns) {
Line 84:             // Get list of endpoints (nics or vlans) that will 
initiate iscsi sessions.
Line 85:             // Targets are represented by StorageServerConnections 
object (connection, iqn, port, portal).
Line 86:             List<VdsNetworkInterface> initiators = 
DbFacade.getInstance().getInterfaceDao()
Line 87:                     
.getIscsiInitiatorsByVdsIdAndStorageTargetId(vdsId, conn.getid());
> There is no getIscsiInitiatorsByVdsIdAndStorageTargetId in InterfaceDAO onl
:-). I didn't compile after rename suggested in the previous patch set. Good 
catch.
Line 88: 
Line 89:             if (initiators != null && !initiators.isEmpty()) {
Line 90:                 conn.setInitiatorName(initiators.remove(0).getName());
Line 91: 


Line 85:             // Targets are represented by StorageServerConnections 
object (connection, iqn, port, portal).
Line 86:             List<VdsNetworkInterface> initiators = 
DbFacade.getInstance().getInterfaceDao()
Line 87:                     
.getIscsiInitiatorsByVdsIdAndStorageTargetId(vdsId, conn.getid());
Line 88: 
Line 89:             if (initiators != null && !initiators.isEmpty()) {
> 1) IINM initiators should not be null
Done
Line 90:                 conn.setInitiatorName(initiators.remove(0).getName());
Line 91: 
Line 92:                 // Iscsi target is represented by connection object, 
therefore if this target is approachable
Line 93:                 // from more than one endpoint(initiator) we have to 
clone this connection per endpoint.


Line 94:                 for (VdsNetworkInterface initiator : initiators) {
Line 95:                     StorageServerConnections newConn = 
StorageServerConnections.copyOf(conn);
Line 96:                     newConn.setid(Guid.newGuid().toString());
Line 97:                     newConn.setInitiatorName(initiator.getName());
Line 98:                     res.add(newConn);
> The logic seems fine, but I don't really understand why it looks that compl
Correct. But since I clone the existing connection I have to create new id if 
there are more than one initiator.
Line 99:                 }
Line 100:             }
Line 101:         }
Line 102: 


http://gerrit.ovirt.org/#/c/23198/2/backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/businessentities/StorageServerConnections.java
File 
backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/businessentities/StorageServerConnections.java:

Line 176:     @Min(value = 0, message = 
"VALIDATION_STORAGE_CONNECTION_NFS_RETRANS")
Line 177:     @Max(value = Short.MAX_VALUE, message = 
"VALIDATION_STORAGE_CONNECTION_NFS_RETRANS")
Line 178:     private Short nfsRetrans;
Line 179: 
Line 180:     private String initiatorName;
> Where is this field being added? where is it used? saved in the table?
This field is added and used in classes that appear in that patch :-). 
IscsiStorageHelper and ConnectStorageServerVDSCommand.

This field is transient and taken from the NIC/VLAN therefore this is already 
valid and doesn't require any further validation.

I can mark it as @Transient if it will help.
Line 181: 
Line 182:     public String getInitiatorName() {
Line 183:         return initiatorName;
Line 184:     }


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Gerrit-MessageType: comment
Gerrit-Change-Id: I779f6dd95dfbfc2b74ad7ba3ce2271b7c9ad94db
Gerrit-PatchSet: 2
Gerrit-Project: ovirt-engine
Gerrit-Branch: master
Gerrit-Owner: Sergey Gotliv <sgot...@redhat.com>
Gerrit-Reviewer: Allon Mureinik <amure...@redhat.com>
Gerrit-Reviewer: Daniel Erez <de...@redhat.com>
Gerrit-Reviewer: Maor Lipchuk <mlipc...@redhat.com>
Gerrit-Reviewer: Moti Asayag <masa...@redhat.com>
Gerrit-Reviewer: Sergey Gotliv <sgot...@redhat.com>
Gerrit-Reviewer: oVirt Jenkins CI Server
Gerrit-HasComments: Yes
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