Hitachi Command Suite 8 User Guide
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management clientA computer used to operate a graphical user interface client or a command-line interface client. master journal The primary, or main, journal volume. A master journal holds differentialdata on the primary replication system until the data is copied to the restore journal (R-JNL) on the secondary system. See also restore journal. N NAS Network attached storage NIC Network interface card P pair status Indicates the condition of a copy pair. A pair must have a specific status for specific operations. When a pair operation completes, the status of the pair changes to a different status determined by the type of operation. path A path from a storage system volume to a host group. In this manual, the term "path" may mean a path, external path, or LUN path without making distinctions among them. pool volume (pool-VOL) A logical volume that is reserved for storing Copy-on-Write Snapshot dataor Dynamic Provisioning write data. primary volume In a volume pair, the source volume that is copied to another volume using the volume replication functionality of a storage system. The data on the P-VOL is duplicated synchronously or asynchronously on the secondary volume (S-VOL). properties file A file that defines aspects of the operating environment. The operatingenvironment can be modified by changing the appropriate properties file.Glossary461Hitachi Command Suite User Guide
R RACF (Resource Access Control Function) Functionality for controlling user authentication and resource access on the mainframe host. RADIUS Remote Authentication Dial In User Service RAID redundant array of independent disks A collection of two or more disk drives that presents the image of a single logical disk drive to the system. Part of the physical storage capacity is used to store redundant information about user data stored on the remainder of the storage capacity. In the event of a single device failure, the data can be read or regenerated from the other disk drives. RAID employs the technique of disk striping, which involves partitioning each drive's storage space into units ranging from a sector (512 bytes) up to several megabytes. The stripes of all the disks are interleaved and addressed in order. RAID level The type of RAID implementation. RAID levels include RAID 0, RAID 1, RAID 2, RAID 3, RAID 4, RAID 5 and RAID 6. recovery point objective In business continuity planning, the maximum tolerable period in whichdata can be lost from an IT service due to a major incident. refresh To update the database using the most recent information. remote control unit A storage system at a secondary, or remote, site that is configured toreceive remote I/O instructions from one or more storage systems at the primary, or main, site. See also main control unit. resource group A collection of resources that are grouped by one or more system resource types.462GlossaryHitachi Command Suite User Guide
resource poolA type of resource group to which resources of a virtual storage machine in a Virtual Storage Platform G1000 system belong, if those resources have not been added to another resource group. There are two types of resource pools: the resource pool on the default virtual storage machine and the resource pool that is created automatically for each virtual storage machine that you create on a VSP G1000 system. restore journal The secondary, or remote, journal volume. A restore journal holds differential data on the secondary replication system until the data is copied to the secondary volume (S-VOL). See also master journal (M- JNL). role Permissions that are assigned to users in a user group to control access to resources in a resource group. Resource groups can be assigned to different user groups with different roles. RPO See recovery point objective. S SAN storage area network. A network of shared storage devices that contain disks for storing data. SAS (Serial Attached SCSI) A replacement for Fibre Channel drives in high performance applications. See SCSI. SATA Serial Advanced Technology Attachment. A computer bus technologyprimarily designed for the transfer of data to and from hard disks and optical drives. SATA is the evolution of the legacy Advanced Technology Attachment (ATA) interface from a parallel bus to serial connection architecture. SCSI (Small Computer System Interface) Standards that define I/O buses primarily intended for connecting storage systems and devices to hosts through host bus adapters.Glossary463Hitachi Command Suite User Guide
secondary volumeAfter a backup, the volume in a copy pair that is the copy of the original data on the primary volume (P-VOL). Recurring differential data updates keep the data in the S-VOL consistent with the data in the P-VOL. Secure Sockets Layer (SSL) A common protocol for managing the security of message transmissionover the Internet. Two SSL-enabled peers use their private and public keys to establish a secure communication session, with each peer encrypting transmitted data with a randomly generated and agreed-upon symmetric key. SLPR Storage Local Partition SMU System Management Unit SNMP Simple Network Management Protocol SSD Solid-state drive storage pool A collection of system drives or the logical container of a file system.Storage pools are created in the Hitachi NAS Platform family of products. Storage pools are also called spans. system drive The basic (logical) storage element that is managed by the Hitachi NASPlatform family of products. A system drive is equivalent to a storage system volume. T tiered storage A layered structure of performance levels, or tiers, that matches dataaccess requirements with the appropriate performance tiers.464GlossaryHitachi Command Suite User Guide
U unallocated volume A volume (LDEV) for which no host paths are assigned. URL Uniform Resource Locator user group A collection of users who have access to the same resources and have thesame permissions for those resources. Permissions for users are determined by the user groups to which they belong. Users and resource groups can be assigned to multiple user groups. V virtual storage machine A virtual storage system that you create on a VSP G1000 system thatallows multiple resource groups to be treated as a single device. VOLSER The label of a volume assigned by the mainframe host. volume (vol or VOL) A name for the logical device (LDEV), or logical unit (LU), or concatenatedLDEVs, that are created in a storage system that have been defined to one or more hosts as a single data storage unit. W web client An application that is used on a client machine to access a server on which management software is installed. A web client contains two parts: dynamic web pages and the web browser. WWN nickname World wide name nickname. A name that is set for the WWN of an HBAthat identifies which HBA to operate on. The WWN nickname easilyidentifies accessible HBAs that are registered in a host group. You can display a list of WWN nicknames to confirm target HBAs for a host while you edit LUN paths during or after volume allocation or when you replace an HBA.Glossary465Hitachi Command Suite User Guide
Index Aaccess attributeschanging to read/write 174 access control 84, 96 users 94 accounts creating 87 editing 88, 89 lock status 91 locking (automatic) 42 managing (overview) 84 strong passwords 41 adding redundancy global-active device 295 agents downloading 43 alerts confirming 437 deleting 437 description 436 allocating existing volumes global-active device 293 allocating new pairs global-active device 291 analytics tab display differences 422 Attribute command 174 authentication external, groups 92 external, users 91 B bottleneck detection 405, 419 MP blade, unit 407 overview 403 browser clearing cache 38 configuring (overview) 32C checking statusglobal-active device 297 CLI downloading 43 CLPR creating 318 deleting 323 editing 321 migrating 320, 322 clustered-host storage (overview) 210 creating 211 command devices global-active device 289 Compute System Manager 452 linking 451 copy pairs defining 309 managing (overview) 307 operations 308 status, changing 308–310 status, deleting 311 creating a report 380 creating file systems, NAS 245 criteria search dialog box 372 CSV file 377 file server 376 hosts 375, 378 logical groups 377 types 375 custom roles 105 D dashboard accessing 399 customizing 400 description 397 data collection tasks restarting 393 status 392Index467Hitachi Command Suite User Guide
Data Collectordownloading 43 data migration dialog box 341 data mobility overview 324 data optimization logical group 328 pools 329 data transfer speed Fibre Channel ports 220 deleting a report 380 discontinue global-active device 305 download software 43 E element manager notes 447 starting 449 Element Manager starting products 447 EVS, updating HCS linkage 80 F failuresglobal-active device 303 Fibre Channel ports configuring 222 data transfer speed 220 file server adding volumes 194 export CSV 376 unalloacting volumes 215 file server, name change 79 file servers registering 78 file servers, registering 75 file systems creating, HNAS 231 Firefox security 36 functions roles, permissions 108 G global-active device adding redundancy 295 allocating existing volumes pairs 293 allocating new pairs 291 checking status 297 command devices 289 discontinue 305 failures 303 host path failure 304monitoring pairs 299 overview 276 prerequisites 284 protecting pairs 298 quorum disk 287 replication paths 286 selecting storage 285 setup window 282 unallocating 301 unallocating volume 302 virtual storage machine 290 H HBA add 316 optimize 315 remove 228, 230 replace, exchange 227 HCS components 20 configuration (overview) 32 features 21 features, new 22 login, licensing 39 navigating the interface 27 process flow 26 system configuration 23 HDI, create file systems HFSM 3.1 258 health check edit schedule 414 exporting 415 history 415 scheduling 412 Help navigating 29 high temperature mode enabling 318 high temperature mode, about 317 HNAS F or HDI file system deleting 260 HNAS F/HDI file systems/shares 254 HNAS F/HDI, create file systems HFSM 3.2+ 257 HNAS F/HDI, file system settings HFSM 3.1+ 259 HNAS F/HDI, HFSM workflow 255 HNAS F/HDI, launching HFSM 450 HNAS, launching SMU 450 host path failure global-active device 304 host workflow detecting, merging 69 hosts change manually registered 71 device manger updates 72 exporting 375, 378 HDC updates 70 registering, about 61 registering, HDC 64468IndexHitachi Command Suite User Guide
registering, host scan 66 registering, merge host 67 registering, methods 61 registering, WWN/iSCSI 65 removing 74 removing, about 73 settings, information 68 starting products 447 viewing 402, 403 Hosts view (overview) 402 I IE browser pop-up blocking 34 Internet Explorer security 35 J Java Web Start clearing cache 38 log output 129 multiple JREs 38 Java Web Start 6.0/7.0 37 L launching optional software 446 launching other products 446 license management 44 registering 44 license key types 45 licenses checking 45 licenses, viewing 49 log output 129 logging in 40 logging on 39 logical groups creating 355 defined 350 deleting 358 editing 357 exporting 377 operations, performing 357 reports, viewing 356 LUN paths editing host group information 226 editing paths in host clusters 224 editing WWN nicknames 224, 226 managing WWN nicknames 223 LUN security enabling on ports 218LUN security on portsdisabling 219 LUSE expansion 146, 147 releasing 148 M managing (overview) 96 metrics 410, 411, 417, 418, 429 metrics, health check 416 metrics, performance wizard 409 monitoring overview 396 monitoring pairs global-active device 299 MP Blade viewing 401 N name resolution management server 33 NAS configuring 237 NAS Platform file shares deleting 253 NAS Platform file system deleting 250 NAS Platform storage pool deleting 245 NAS, add file shares 251 NAS, changing file system settings 248 NAS, changing storage pool name 11.3 or later 241 NAS, creating storage pools earlier than v11.3 242 v11.3 or later 239 NAS, edit file shares 252 NAS, environment settings 77 NAS, expand file system 247 NAS, expand storage pool v11.3 or later 240 NAS, expanding storage pools earlier than v11.3 243, 244 NAS, file system capacity 238 NAS, LUN paths 239 NAS, mount 249 NAS, parity groups pools 236 NAS, unmount 249 NAS, Workflow 234 NAS/HDI, file share concepts 260 navigating Help 29Index469Hitachi Command Suite User Guide
Ooverview global-active device 276 P P-VOL Write Transfer Rate 435pair management 308 parity group creation 134, 135 deleting 138 deletion 137 parity groups create, dialog box 136 password changing 89, 90 path management 223, 366 performance optimizing by setting data transfer speed for a Fibre Channel port 220 performance reporter display configuration 420 display differences 422 permissions by function 108 changing 90 policy User ID, password 87 pools deleting 172 threshold, modifying 172 creating 162, 171 creating, dialog box 164 expanding or converting 169 expanding volumes 173 overview 160 verifying 168 port scan and volume discovery 152 prerequisites global-active device 284 profile editing 88, 89 protecting pairs global-active device 298 Q quorum disk global-active device 287 R reclaiming zero pages 174replication UR wizard 431 analytics, UR expert 432 metric thresholds 428 performance 425Replication, bandwidth 427 reports 434 Replication Manager 307 replication paths global-active device 286 Report Viewer window 379 reports downloading 378 DP pools, ranking 326 logical groups, ranking 326 types 375 using 378 resource groups creating 100 deleting 101 editing 100 overview 97 prerequisites 99, 268 resource labels editing 365 importing 366 overview 364 searching 365 resynchronizing hosts 452 roles custom 105 user 104 S searchexporting CSV file 377 security about 41 account lock status 91 account locking 42 Firefox 36 Internet Explorer 35 strong passwords 41 warning banner 42 selecting storage global-active device 285 setup window global-active device 282 SMI-S 345, 346 software downloading 43 storage allocation (overview) 133 monitoring (overview) 396 optimization, about 314 refreshing status 59 registering (overview) 55 searching (overview) 369 tier-based management 358 virtualization with pools 160 virtualized 132 virtualized tiers 175470IndexHitachi Command Suite User Guide