GPFS: Administration and Programming Reference - IRA Home

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setting access control lists 46 snapshot directory 302 snapshot handle 291, 294, 295, 296, 298, 299, 301, 304 free 290 snapshot ID 291, 292, 295, 299 comparing 281 internal 308 snapshot name 296, 304 snapshots creating 131 deleting 163 directory 131 displaying 224 listing 224 maximum number 131 partial 131 restoring a file system 249 sparse file 325 standards, exceptions to 371 starting GPFS 11, 270 automatically 8 before starting 11 stopping GPFS 11 storage pre-allocating 333 storage pools ID 315 name 315 Stripe Group Manager see File System Manager 391 structures gpfs_acl_t 279 gpfs_direntx_t 283 gpfs_fssnap_handle_t 291 gpfs_fssnap_id_t 292 gpfs_iattr_t 307 gpfs_ifile_t 310, 311 gpfs_iscan_t 327 gpfs_opaque_acl_t 330 gpfs_quotaInfo_t 340 gpfsAccessRange_t 344 gpfsCancelHints_t 345 gpfsClearFileCache_t 346 gpfsDataShipMap_t 347 gpfsDataShipStart_t 349 gpfsDataShipStop_t 352 gpfsFcntlHeader_t 353 gpfsFreeRange_t 354 gpfsGetFilesetName_t 355 gpfsGetReplication_t 356 gpfsGetSnapshotName_t 358 gpfsGetStoragePool_t 359 gpfsMultipleAccessRange_t 360 gpfsRestripeData_t 362 gpfsSetReplication_t 363 gpfsSetStoragePool_t 365 subnets changing 8 subnets attribute specifying 91 396 GPFS: Administration and Programming Reference subroutines gpfs_close_inodescan() 280 gpfs_cmp_fssnapid() 281 gpfs_fcntl() 57, 284 gpfs_fgetattrs() 287 gpfs_fputattrs() 288 gpfs_free_fssnaphandle() 290 gpfs_fstat() 293 gpfs_get_fsname_from_fssnaphandle() 294 gpfs_get_fssnaphandle_by_fssnapid() 295 gpfs_get_fssnaphandle_by_name() 296 gpfs_get_fssnaphandle_by_path() 298 gpfs_get_fssnapid_from_fssnaphandle() 299 gpfs_get_pathname_from_fssnaphandle() 301 gpfs_get_snapdirname() 302 gpfs_get_snapname_from_fssnaphandle() 304 gpfs_getacl() 305 gpfs_iclose 24 gpfs_iclose() 309 gpfs_igetattrs() 311 gpfs_igetfilesetname() 313 gpfs_igetstoragepool() 315 gpfs_iopen 24 gpfs_iopen() 317 gpfs_iread 24 gpfs_iread() 319 gpfs_ireaddir 24 gpfs_ireaddir() 321 gpfs_ireadlink() 323 gpfs_ireadx() 325 gpfs_next_inode 24 gpfs_next_inode() 328 gpfs_open_inodescan 24 gpfs_open_inodescan() 331 gpfs_prealloc() 333 gpfs_putacl() 335 gpfs_quotactl() 37, 337 gpfs_seek_inode() 341 gpfs_stat() 343 symbolic link reading 323 syncd 165 syncFSconfig 181 T tiebreaker disk 161 tiebreakerDisks changing 8, 91 timeout period 265 Tivoli SANergy 20, 22, 151, 222, 247, 252, 255, 263 defragmentation 146 quota check 98 replication 19, 82, 106, 124 Tivoli SANergy client 259 Tivoli Storage Manager (TSM) documentation 24 setup requirements 23 using the mmbackup command 78 version 23 trademarks 376
traditional ACL 104, 122, 168, 169, 185, 186 U UID domain 116 uidDomain changing 8 uidDomain attribute changing 92 unlinking filesets 274 unmounting a file system 14 NFS exported 55 on multiple nodes 15 unmountOnDiskFail changing 8 unmountOnDiskFail attribute changing 92 useNSDserver values 14 user exits mmsdrbackup 368 nsddevices 369 syncfsconfig 370 user quota 139, 141, 143, 172, 221, 238, 246 user space buffer 81 V virtual shared disk server 135 virtual shared disks 126 creating 134 W worker1threads changing 8 worker1Threads attribute changing 92 write file permission 45 Index 397
Page 1:
General Parallel File System Admini
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Note: Before using this information
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Chapter 4. Managing disks . . . . .
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mmrestripefile Command . . . . . .
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viii GPFS: Administration and Progr
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x GPFS: Administration and Programm
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Table 1. Typographic conventions (c
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- The mmmount and mmumount commands
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- The local cluster no longer needs
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xviii GPFS: Administration and Prog
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2 GPFS: Administration and Programm
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Remote shell command: /usr/bin/rsh
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v A node being deleted cannot be th
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You may be able to tune your cluste
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The system displays information sim
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If it becomes necessary to stop GPF
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ecorded in the GPFS configuration f
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Checking and repairing a file syste
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-j scatter Block allocation type -D
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Restriping offers the opportunity t
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See the “mmdf Command” on page
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2. The TSM client code must be inst
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26 GPFS: Administration and Program
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gpfs3nsd 0903C1573F2AD7B6 /dev/sdb1
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12 % complete on Fri Feb 3 16:02:39
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suspended Indicates that data is to
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v You must identify the disks by th
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To disable quota management: 1. Iss
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During the normal operation of file
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The system displays output similar
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Each GPFS file or directory has an
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group::rwx- #effective:rw-- other::
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2. A Directory ACL is similar to th
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This ACL shows four ACL entries (an
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general suggestion is for the compu
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Table 4. GPFS commands (continued)
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mmadddisk Command mmadddisk Command
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mmadddisk Command Note: Rebalancing
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mmaddnode Command Name mmaddnode Ad
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mmaddnode Command See also “mmchc
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mmapplypolicy Command how the mmapp
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mmapplypolicy Command MIGRATED /fs1
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mmauth Command delete Deletes a clu
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mmauth Command mmauth: Propagating
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mmbackup Command Name mmbackup - Ba
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mmbackup Command Tue Mar 18 14:03:2
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mmchattr Command -m MetadataReplica
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mmchcluster Command Name mmchcluste
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mmchcluster Command Security You mu
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mmchconfig Command Name mmchconfig
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mmchconfig Command dmapiMountTimeou
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mmchconfig Command and search for n
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mmchdisk Command Name mmchdisk - Ch
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mmchdisk Command resume Informs GPF
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mmcheckquota Command Name mmcheckqu
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mmcheckquota Command 55 % complete
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mmchfileset Command Examples This c
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mmchfs Command If your file system
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mmchfs Command When considering dat
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mmchmgr Command GPFS: 6027-628 Send
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mmchnsd Command Options NONE DiskNa
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mmchpolicy Command Name mmchpolicy
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mmcrcluster Command Name mmcrcluste
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mmcrcluster Command If your primary
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mmcrfileset Command Name mmcrfilese
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mmcrfs Command Name mmcrfs - Create
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mmcrfs Command Options other disk)
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mmcrfs Command -z {yes | no} Enable
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mmcrnsd Command Name mmcrnsd - Crea
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mmcrnsd Command Note: This name can
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mmcrnsd Command Location /usr/lpp/m
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mmcrsnapshot Command Options NONE I
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mmcrvsd Command Name mmcrvsd - Crea
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mmcrvsd Command Options dataOnly In
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mmcrvsd Command See also “mmcrnsd
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mmdefedquota Command -u Specifies t
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mmdefquotaoff Command mmlsquota -d
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mmdefquotaon Command Security You m
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mmdefragfs Command Name mmdefragfs
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mmdefragfs Command gpfs60nsd 50688
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mmdelacl Command “mmputacl Comman
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mmdeldisk Command -F DescFile A fil
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mmdelfileset Command Name mmdelfile
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mmdelfileset Command 88 % complete
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mmdelfs Command Examples To delete
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mmdelnode Command Exit status 0 Suc
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mmdelnsd Command Options NONE Exit
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mmdelsnapshot Command When using th
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mmdf Command Exit status 0 Successf
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mmeditacl Command Name mmeditacl -
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mmeditacl Command Exit status 0 Suc
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mmedquota Command Group Name or gro
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mmexportfs Command Name mmexportfs
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mmfsck Command Name mmfsck - Checks
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mmfsck Command -n Specifies a no re
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mmfsck Command See also “mmcheckq
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mmfsctl Command v Modifications to
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mmfsctl Command lunA2 FlashCopy tar
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mmgetacl Command Parameters Filenam
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mmgetstate Command Name The mmgetst
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mmgetstate Command See also “mmch
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mmimportfs Command Parameters Devic
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mmlinkfileset Command Name mmlinkfi
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mmlsattr Command Name mmlsattr - Qu
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mmlscluster Command Name mmlscluste
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mmlsconfig Command Name mmlsconfig
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mmlsdisk Command Name mmlsdisk - Di
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mmlsdisk Command disk driver sector
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mmlsfileset Command Name mmlsfilese
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mmlsfileset Command 3. These comman
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mmlsfs Command -o Additional mount
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mmlsmgr Command Name mmlsmgr - Disp
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mmlsmount Command Name mmlsmount -
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mmlsnsd Command Name mmlsnsd - Disp
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mmlsnsd Command gpfs1 gpfs1nsd 0972
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mmlspolicy Command mmlspolicy fs2 -
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mmlsquota Command When a quota mana
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mmlssnapshot Command Name mmlssnaps
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mmmount Command Name mmmount - Moun
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mmpmon Command Name mmpmon - Manage
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mmpmon Command Use of the -i flag i
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mmpmon Command bytes written: 13946
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mmputacl Command Options -d Specifi
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mmquotaoff Command Name mmquotaoff
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mmquotaon Command Name mmquotaon -
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mmremotecluster Command Name mmremo
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mmremotecluster Command 2. This com
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mmremotefs Command Options -A {yes
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mmrepquota Command Name mmrepquota
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mmrepquota Command *** Report for U
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mmrestorefs Command Exit status 0 S
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mmrestripefile Command Name mmrestr
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mmrestripefile Command See also “
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mmrestripefs Command Assuming that
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mmrestripefs Command See also “mm
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mmrpldisk Command The disk descript
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mmrpldisk Command See also “mmadd
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mmsanrepairfs Command Repairing hyp
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mmshutdown Command When using the r
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mmsnapdir Command nonzero A failure
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mmstartup Command Name mmstartup -
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mmumount Command Name mmumount - Un
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mmunlinkfileset Command Name mmunli
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mmunlinkfileset Command See also
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Table 9. GPFS programming interface
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gpfs_close_inodescan() Subroutine N
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gpfs_cmp_fssnapid() Subroutine Loca
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gpfs_fcntl() Subroutine Name gpfs_f
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gpfs_fcntl() Subroutine fcntlArg.po
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gpfs_fputattrs() Subroutine Name gp
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gpfs_free_fssnaphandle() Subroutine
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gpfs_fssnap_id_t Structure Name gpf
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gpfs_get_fsname_from_fssnaphandle()
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gpfs_get_fssnaphandle_by_name() Sub
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gpfs_get_fssnaphandle_by_path() Sub
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gpfs_get_fssnapid_from_fssnaphandle
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gpfs_get_snapdirname() Subroutine N
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gpfs_get_snapname_from_fssnaphandle
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gpfs_getacl() Subroutine Error stat
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gpfs_iattr_t Structure /* don’t r
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gpfs_ifile_t Structure Name gpfs_if
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gpfs_igetattrs() Subroutine GPFS_E_
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gpfs_igetfilesetname() Subroutine E
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gpfs_igetstoragepool() Subroutine E
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gpfs_iopen() Subroutine Exceptions
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gpfs_iread() Subroutine EPERM The c
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gpfs_ireaddir() Subroutine Examples
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gpfs_ireadlink() Subroutine Locatio
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gpfs_ireadx() Subroutine offset On
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gpfs_next_inode() Subroutine Name g
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gpfs_opaque_acl_t Structure Name gp
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gpfs_open_inodescan() Subroutine No
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gpfs_prealloc() Subroutine Exceptio
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gpfs_putacl() Subroutine Exceptions
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gpfs_quotactl() Subroutine Q_SETQUO
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gpfs_quotaInfo_t Structure Name gpf
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gpfs_seek_inode() Subroutine Locati
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gpfsAccessRange_t Structure Name gp
Page 366 and 367: gpfsClearFileCache_t Structure Name
Page 368 and 369: gpfsDataShipMap_t Structure partiti
Page 370 and 371: gpfsDataShipStart_t Structure flag
Page 372 and 373: gpfsDataShipStop_t Structure Name g
Page 374 and 375: gpfsFreeRange_t Structure Name gpfs
Page 376 and 377: gpfsGetReplication_t Structure Name
Page 378 and 379: gpfsGetSnapshotName_t Structure Nam
Page 380 and 381: gpfsMultipleAccessRange_t Structure
Page 382 and 383: gpfsRestripeData_t Structure Name g
Page 384 and 385: gpfsSetReplication_t Structure rese
Page 386 and 387: 366 GPFS: Administration and Progra
Page 388 and 389: mmsdrbackup User exit mmsdrbackup U
Page 390 and 391: syncfsconfig User exit Name syncfsc
Page 392 and 393: GPFS exceptions and limitations to
Page 396 and 397: 2455 South Road, Poughkeepsie, NY 1
Page 400 and 401: metadataOnly Indicates that the dis
Page 402 and 403: v manager | client - Indicates whet
Page 406 and 407: v For AIX nodes, see Installing the
Page 408 and 409: RPM at www.rpm.org/ The Internet En
Page 410 and 411: commands (continued) mmchfileset 10
Page 412 and 413: file systems (continued) creating 1
Page 414 and 415: mmchattr 19, 81 mmchcluster 6, 84 m
Page 420: Readers’ Comments — We’d Like
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