DeWalt MD3220I manuale d’uso

DE L L P ow er V au l t M D3 2x x i D ep l oy m en t G ui de f o r V Mw ar e E S X4 . 1 Se r ve r S o ft wa r e A Dell Technical White Paper Version 1.3 PowerVault MD3200 i and MD322 0i Storage Arrays[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page ii THIS WHITE PAPER IS F OR INFORMATIONAL PURPOSES ONLY, AND M AY CONTAIN TYPO GRAPHICAL ERRORS AND TECHNICAL I NACCURACIES. T HE CONTENT IS PROVIDED AS IS, WITHOUT EXP RESS OR IMPLIED WARRANTI ES OF ANY KIND. © 20 10 Dell Inc. All rights r eserved. Reproduction[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 1 Table of Contents Table of Contents ............................................................................................. 1 Terminology/Glossary ........................................................................................ 2 Introduction ....[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 2 Step A6: Binding VMk ernel Ports to iSCSI Softw are Initiator ..................................... 36 Step A7: Connect to t he Dell PowerVault Sto rage ................................................. 39 3 Terminology/Glossary VD == virtual disk VM == virtual[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 3 Introduction The Dell™ PowerVault™ MD32XXi storage solution consists of either a standard or high availability configuration. The standard (simplex ) configuration has a single controller with four 1GbE ports. It can b e deployed to support up to 16 hosts n[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 4 MPIO – With ESX4. 1 and vSphere4, customer s can benefit from Mu lti-Path I/O from the ESX4.1 server and the SAN. This allows for multiple connections to be con currently used to allow for gr eater bandwi dth . This is especially importa nt for the PowerVault[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 5 3. More than one N etwork Interface Card (NIC) set asid e for iSCSI traffic 4. No Distributed Virtu al Switch (DVS) for i SCSI traffic Not every environment requires all of the step s detailed in this whitepaper. Users wishing to only enab le Jumbo Frame suppor[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 6 PowerVault MD32xxi Storage Setup and Configuration C REATE VIRTUAL DISK S ON MD32 XX I USING STEPS DES CRIBED IN : http://support.dell.com/ support/edocs/systems/md3000i /multlang/gsg/DAO_BCC/ DY731A00MR.pdf . A FTER OPENING THE M ODULAR D ISK S TORAGE M ANAG E[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 7 1. S ELEC T M ANUALLY D EFIN E H OSTS . 2. E NTER THE HOST NAM E FOR THE SERVER WHICH HAS THE ESX S ERVER SOFTWARE IS INSTALLED . 3. S ELECT VM WARE AS THE HOST TYPE . From the next screen, speci fy the iSCSI Initiator by entering a n ame for th e iSCSI initiat[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 8  If a new host group is de sired select the radio butto n for that option and enter in a n ame for your host group using standar d host naming conventions (e.g. no spa ces etc.).  Should you a lready have one or more host groups assigned, select the radio[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 9 On completion,  Select Yes to proceed t o the next host you wish to con figure, or  Select No to end the configurat ion wizard. Helpful Hint: Record the MD32xxi IP ad dress for later configuration iSCSI Software Initiator Configuration on ESX4.1 Server Th[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 10 3. Check Software iS CSI Client option . 4. Select Configuration ->Storage Ada pters on the ESX4.1 ser ver. 5. Select iSCSI So ftware Adapter and click on Properties. 6. The iSCSI initiator Prop erties window appears. 7. Under the General tab select Configu[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 11 8. Select iSCSI S of tware Adap ter under S torage Adapters. You should n ow see your iSCSI Target name listed. 9. Select Properties un der storage adapters. Select Dynam ic Discovery. Select Add . Provid e the IP address of the MD32xxi iSC SI Target Port and [...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 12 10. Click Close . Clustering with ESX4.1 / Creating DRS Clusters Refer to the following VMwar e website for a complete up - to -date list of the pr erequisites for clustering with ESX4.1 server. http://www.vmware.co m/pdf/vsphere4/r40/vsp_40 _mscs.pdf Configur[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 13 Go to the configuration t ab and select Sto rage Adapters . Select the iS CSI Software Adapter a nd click Rescan . The newly created iSCSI targ et and LUN should be visible from t he ESX server. Step1: Configure v Switch & Enable J umbo Frames This step wi[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 14 There are some suggested co nfigurations depending on the number of NICs that will be used for iSCSI traffic. Every environment w ill differ dependin g on the number of ho sts, the number of members, and the number of volumes. In a default configurat ion assig[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 15 To verify the configuration en ter the following command : esxcfg-vswitch – l The output will look si milar to this: Switch Name Num Ports Used Ports Configured Ports MTU Upl inks vSwitch2 64 7 64 9000 PortGroup Name VLAN ID Used P orts Uplinks iSCSI3 0 1 iS[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 16 esxcfg-nics – l The output will look si milar to this: Name PCI Driver Link Speed Duplex MAC Addre ss MTU vmnic0 03:00.00 bnx2 Up 10 00Mbps Full 00:21:9b:8b:4b:b0 1500 This will list all of the ad apters in the system. Assign the N ICs that are physically co[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 17 Click the Network Adapte rs tab. Then click Add . This will op en up the Add Adap ter Wizard. From here select the vmnics that you want to add to the vSwitch. In our example it will be vmnic1, vmnic2 and vmnic3.[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 18 Click Next after you h ave selected the chosen adap ters. For now keep th e defaults listed in the Failover Order screen and click Next . Review the adap ters listed and click Finish completing the p rocess. These adapters will now show up in th e GUI under th[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 19 By default, all the vmnics are assigned to each VMkern el port. We need to remove all bu t one vmnic from each VMkernel port so that each VMkernel port has only one uplink. Before running these co mmands the switch information lo oks like the following (obtain[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 20 Switch Name Nu m Ports Used Ports Configured Ports MTU Uplinks vSwitch2 64 7 64 9000 PortGroup Name VLAN ID Used P orts Uplinks iSCSI3 0 1 vmnic3 iSCSI2 0 1 vmnic2 iSCSI1 0 1 vmnic1 The important thing to note is that und er the Uplinks section there is only o[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 21 Step5: Enable V Mware iSCSI Software Initiator The next step, if it has n ot been done already, is to enab le the iSCSI initiator to prepare th e ESX host to connect to the P owerVault SAN. This can be do ne either through a CLI comman d or through the vCenter[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 22 This will enable the soft ware iSCSI initiator. To verify th at it is enabled type the following command: esxcfg-swiscsi – q This can also be accompli shed by using the vCent er GUI. From the vCenter GUI on t he ESX host navigate to Configurat ion -> Stor[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 23 Step6: Binding V Mkernel Ports to iSC SI Software Initiato r This next step will bind the VMkernel ports, whi ch were configured in Step 4 earlier, to the iSCSI Softwar e Initiator. If this step i s skipped there will only ever be a single connection to the P [...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 24 In this example we se e that iSCSI1 is vmk0, iSCSI2 is vmk1, and iSCSI3 is vmk2. This is also i nformation that we need to note. We can also see this in the CLI by using th e following command: esxcfg-vmknic – l The output will look si milar to this: Interfa[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 25 esxcli swiscsi nic list – d vmhba33 This will list all of the infor mation for VMkernel ports that ar e assigned to the iSCSI Soft ware Adapter. Step7: Connect to PowerVault MD3 2XXi Storage Now that the ad vanced configuration for the vSphere4 iSCSI So ftwa[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 26 When this is done click Close or enter in ano ther IP Address if there are multiple SAN s in your environment. You will be prompted for a Rescan of the HBAs bu t at this time as there are no volume s assigned it is unnecessary. The next step will be to cr eate[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 27 1. Set the volume size and keep the rest of the defaults an d click Finish .[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 28 2. Under iSCSI Access yo u can choose to use an IP Address or I nitiator Name. 3. To find the iSCSI Initia tor Name from the vCenter GUI go to Configurat ion -> Storage Adapt ers . Click on the iSCSI Software Adap ter. The iqn can be cop ied and pasted into[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 29 4. Check Disallow un -named discovery ses sions , if desired. Step8: Connect to a Volume on PowerVa ult SAN The next step is to connect to the volume on th e SAN and verify the connection status . Since the iSCSI access and configuration was configured in the [...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 30 Step9: Enabling VM ware Native Multipathing – MRU One of the new ad vanced features that is enabled by con figuring the iSCSI Software Initia tor the way we have is that now we can t ake advantage of MPIO by using MRU. Thi s combined with the fan-out intelli[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 31 http://www.vmware .com/support/pubs/vs_ pages/vsp_pubs_esx i41_e_vc41.html Dell/VMware alliance hom e page: http://www.dell.com/ vmware Appendix A This appendix details an exa mple of how to over com mit the n umber of VMkernel ports to t he physical NICs. Thi[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 32 esxcfg-vmknic – a – i 10.10.5.1 75 – n 255.255.255.0 – m 900 0 iSCSI3 esxcfg-vswitch – A iS CSI4 vSwitch2 esxcfg-vmknic – a – i 10.10.5.1 76 – n 255.255.255.0 – m 900 0 iSCSI4 esxcfg-vswitch – A iS CSI5 vSwitch2 esxcfg-vmknic – a – i 10[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 33 Step A3: Assign Net work Adapters Just like in the previous example, the next step in the proce ss is to assign the network ad apters (NICs) that will be attached to the iSC SI network and used for iS CSI traffic. These will be attached to t he vSwitch2 that w[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 34 Click the Network Adapte rs tab. Then click Add . This will op en up the Add Adap ter Wizard. From here select the vmnics that you want to add to the vSwitch. In our example it will be vmnic2 a nd vmnic3. Click Next after you h ave selected the cho sen adapter[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 35 Switch Name Nu m Ports Used Ports Configured Ports MTU Uplinks vSwitch2 64 9 64 9000 vmnic3,vmnic2 PortGroup Name VLAN ID Used P orts Uplinks iSCSI6 0 1 vmnic2,vmnic3 iSCSI5 0 1 vmnic2,vmnic3 iSCSI4 0 1 vmnic2,vmnic3 iSCSI3 0 1 vmnic2,vmnic3 iSCSI2 0 1 vmnic2,[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 36 The important thing to note is that und er the Uplinks section there is only one vmnic a ssigned to each iSCSI VMkernel port and that they are evenly distribu ted across them all. This can also be done throu gh the vCenter GUI. To confi gure this from the GUI [...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 37 The first thing to do is to note the vmhba# of the iSCSI So ftware Initiator. This can b e seen in the vCe nter GUI under Configuration -> Storage Adapters . This can also be found by running the following CLI co mmand to discover all SCSI devices including[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 38 In this example we se e that iSCSI1 is vmk0, iSCSI 2 is vmk1, iSCSI3 is vmk2 and iSCSI4 is vmk3. This is also information that we need to note. We can also see this in the CLI by using th e following command: esxcfg-vmknic – l The output will look si milar t[...]

Dell PowerVault MD32x xi Configuration Gu ide for VMware ESX 4.1 Server Sof tware Page 39 255.255.255.0 10.10. 5.255 00:50:56:7d:b5:f2 9 000 65535 true STATIC We can determine the sa me information as was found from the GUI. Now that we know the vmhba# and the vmk# we can map each VMkernel Port to t he iSCSI Software Initiator. This is done throu g[...]