HP LeftHand Storage Solutions

1 HP LeftHand Storage Solutionsuser guidePart number: AT004 96049 First edition: September 2009 Legal and notice information Copyright 2009 Hewlett-Packard Development Company, computer software. Valid license from HPrequiredfor possession, use or copying. Consistent , Commercial Computer Software, Computer Software Documentation, andTechnicalData for Commercial Itemsare licensedto Government under vendor'sstandard commercial containedherein is subject to changewithout notice. Theonly warranties for HPproducts andservices are setforth in theexpress warranty statements accompanyingsuch products andservices. Nothingherein shouldbeconstruedasconstitutinganadditio nalwarranty. HPshallnot beliablefor technicalor editorial errors or STATEMENT: To obtaina copy of thewarranty for thisproduct, seethewarranty information website: , Windows, Windows XP, andWindows NTare registeredtrademarks of Microsoft.

2 27 HPtechnicalsupport ..27 Subscription ..27 Documentation feedback ..281 ..29 Auto discover ..29 TheCMC ..29 Performingtasksin theCMC usingthemenu window ..31 Loggingin ..31 Traversingthenavigation window ..32 CMC storagehierarchy .. window ..33 Tab window window .. usingtheGettingStartedLaunch ..37 Findingthestoragenodes ..37 Configuringstoragenodes ..37 Configure storagenodecategories ..38 Creatinga volumeusingthewizard ..38 Enablingserver access to volumes ..39 ContinuingwiththeSAN/iQsoftware ..39 Findingstoragenodes on off Auto Discover for storagenodes ..39 Troubleshooting Storagenodes not storagenodes appearin thenavigation window ..40 Configuringmultiplestoragenodes ..402 Workingwithstoragenodes ..43 Storagenodeconfiguration categories ..43 Storagenodeconfiguration category to andout of storagenodes.

3 44 Automatic login ..44 Loggingout of a a rack [NSM260, DL 320s(NSM2120), DL 380, andHPLeftHandP4500]..45 Backingup andrestoringthestoragenodeconfiguration ..45 Backingup storagenodedoes not save allsettings ..45 Backingup thestoragenodeconfiguration from a or or off, or rebooting[NSM4150].. on ..49 Copyingtheupgradefiles from website .. for a availability ..51 Checkingstatus of dedicatedboot devices ..51 Checkingboot devicestatus ..52 Gettingthere ..52 Startingor stoppinga dedicatedboot device[NSM160,NSM260]..52 Poweringon or rebootingstoragenodes withtwo dedicatedboot devices [NSM160,NSM260]..53 Replacinga dedicatedboot ..53 NSM4150 ..53 Replacingandactivatinga new boot flashcard [NSM160,NSM260]..543 as a storagerequirement ..55 Gettingthere ..55 Status indicators.

4 56 ConfiguringandmanagingRAID ..56 Benefitsof RAID ..57 RAID in RAID1 ,RAID5+ spare, or RAID50 ..58 Parity andstoragecapacity in RAID5or 5 + spare ..58 RAID5andhot spare on theNSM4150 .. andstoragecapacity in failure andhot swappingin devices in theRAID setup report ..59 RAID devices by RAID devices ..60 Devices configuredin configuredin configuredin theNSM260 ..65 RAID6in theDL320s(NSM2120), configuration ..67 Data replication ..67 UsingRAID for data redundancy ..67 Usingvolumereplication in a cluster ..68 UsingRAID withreplication in a cluster ..68 MixingRAID rebuildrate ..69 Set RAID rebuildrate ..70 ReconfiguringRAID ..70 Requirements for reconfiguringRAID ..70 ChangingpreconfiguredRAID on a new on storagenodes in management groups ..70To reconfigure RAID.

5 71 MonitoringRAID status ..71 Data transfer andRAID status ..71 Data redundancy andRAID status ..73 Readingthediskreport on theDiskSetup tab ..73 Verifyingdiskstatus ..74 Viewingdiskstatus for theNSM160 ..74 Viewingdiskstatus for theNSM260 ..75 Viewingdiskstatus for theDL380 ..75 Viewingdiskstatus for theDL320s(NSM2120)..76 Viewingdiskstatus for theIBM x3650 ..77 Viewingdiskstatus for theVSA ..77 Viewingdiskstatus for theDell 2950 andNSM2060 ..77 Viewingdiskstatus for theNSM4150 ..78 Viewingdiskstatus for for theVSA ..80 Overview of replacinga non-hot-swap platforms(IBM x3650)..81 Replacingdisksin a diskreplacement ..82To prepare for diskreplacement ..82 Identify physicallocation of practicechecklist for singlediskreplacement in practicechecklist for singlediskreplacement in RAID1/10,RAID5,RAID50, diskin power off thediskin theCMC for replacethediskdrive in poweringon thediskin theCMC.

6 Diskin a non-hot-swap platform (IBM x3650)..84 Manually power off thediskin theCMC for RAID1 replacethediskdrive in poweringon thediskin theCMC ..855 RAID diskin a hot-swap platform (NSM160, NSM260,DL380, DL320s[NSM2120],Dell 2950,NSM2060,NSM4150,HPLeftHandP4500,HPL eftHandP4300).. replacethediskdrive in Managingthenetwork ..89 Network best practices ..89 Changingnetwork practices when changingnetwork characteristics ..89 Gettingthere ..90 TheTCP/IP tab ..90 Identifyingthenetwork interfaces ..90 PinginganIP address ..91To pinganIP address ..91 ConfiguringtheIP address manually .. set IP address practices ..93 NICbondingandspeed, duplex, framesize andflow control settings ..93 How active-passive works ..94 Physicalandlogicalinterfaces ..94 Requirements for active-passive.

7 95 Which physicalinterfaceis of NICstatus duringfailover ..95 Examplenetwork configurationswithactive-passive ..96 How linkaggregation dynamic modeworks ..97 Requirements for linkaggregation dynamic physicalinterfaceis physicalinterfaceis active ..97 Summary of NICstates duringfailover ..98 Examplenetwork configurationswithlinkaggregation dynamic adaptive for adaptive physicalinterfaceis physicalinterfaceis active ..99 Summary of NICstates duringfailover ..99 Examplenetwork configurationswithadaptive ..100 Bondguidelines .. communication settingfor new of a communication settingafter deletinga network network thestoragenodeis in a management group ..107 Configuringa ..107 TheTCPstatus tab ..1076 Managingsettings on network interfaces ..108 Requirements.

8 108 Changingspeedandduplex settings ..108 Requirements ..109 Best changethespeedandduplex ..109 ChangingNICframesize ..109 Requirements ..109 Best practices ..110 Jumboframes ..110 EditingtheNICframesize ..110 ChangingNICflow control ..111 Requirements ..111 EnablingNICflow control ..111 Usinga DNS server ..112 DNS andstatic IP addresses ..112 Gettingthere ..112 AddingtheDNS server ..112 Addingdomainnames to theDNS suffixes ..113 Editinga DNS server ..113 Editinga domainnamein theDNS suffixes list ..113 Removinga DNS server ..114 Removinga domainsuffix from theDNS suffixes list ..114 Settingup ..114 Editingroutinginformation ..115 Deletingroutinginformation ..115 Configuringstoragenodecommunication ..115 Selectingtheinterfaceusedby theSAN/iQsoftware ..116 Updatingthelist of manager IP addresses.

9 117 Requirements ..1175 Settingthedate group ..119 Refreshingthemanagement group ..120 DeletinganNTPserver ..121 Delete anNTPserver ..121 Changingtheorder of NTPservers ..121 Editingthedate ..1226 Administrative users andgroups ..123 Gettingthere ..123 Managingadministrative users ..123 Defaultadministrative user ..123 Addinga new administrative user ..123 Editingadministrative users ..123 Changinga user s description ..124 Changinga user s password ..1247 Addinggroup membershipto a user ..124 Removinggroup membershipfrom a user ..124 Deletinganadministrative user ..124 Managingadministrative groups ..125 Defaultadministrative groups ..125 Addingadministrative groups ..125 Editingadministrative groups ..126 Changethedescription of a group ..126 Changingadministrative group to anexistinggroup.

10 127 Removingusers from a group ..127 Deletingadministrative groups ..1277 theDL 380 andDL 320s(NSM2120)..129 Gettingthere ..129 EnablingSNMP agents ..129 Community strings for DL 380 andDL 320s(NSM2120)..130 EnablinganSNMP agent ..130 Editingaccess control entries ..131 Deletingaccess control entries ..131 UsingtheSNMPMIB ..132 InstallingtheLeftHandnetworks MIB ..132 DisablingtheSNMP agent ..133 Prerequisite ..133 EnableSNMP traps ..133 Removingtrap recipients ..133 DisablingSNMP traps ..1348 monitoringoverview ..135 Usingalerts for active ..136 Selectingalerts to monitor ..136 Addingvariables to monitor ..136 Editinga variablefrom active of monitoredvariables ..138 SettingCMC notification of alerts ..141 SettingSNMP notification of alerts ..141 Settingemailnotificationsof alerts.