GPFS: Administration and Programming Reference - IRA Home

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file systems (continued) creating 120 creating snapshot 131 deleting 15, 157 deleting disks 151 disk fragmentation 22 displaying attributes 209 displaying format version 209 exporting 53, 174 exporting using NFS 52 file system manager displaying 212 format version 103 formatting 120 fragmentation querying 22 GPFS control 371 handle 291 importing 191 inconsistencies 176 links to snapshots 267 Linux export 53 listing mounted 214 management 13 migrating 103 mounted file system sizes 90, 122 mounting 226 mounting on multiple nodes 13 moving to another cluster 103, 174 mtime value 103, 209 NFS export 54 NFS V4 export 54 querying space 165 quotas 143 rebalancing 255 reducing fragmentation 23, 146 remote 73, 240, 243 repairing 16, 176, 263 restoring with snapshots 249 restripe 63 restriping 19, 255 space, querying 21 unmounting 265, 272 unmounting on multiple nodes 15 which nodes have mounted 15 FileInherit 49 files .rhosts 64, 67, 70, 79, 86, 93, 96, 101, 105, 107, 110, 116, 118, 124, 128, 132, 137, 147, 152, 155, 157, 160, 162, 164, 166, 174, 178, 183, 188, 192, 194, 198, 200, 203, 207, 210, 212, 217, 224, 250, 253, 257, 261, 263, 266, 268, 270, 274 dsm.sys 23 orphaned 176 rebalancing 252 restriping 252 filesets changing 101 creating 118 deleting 154 displaying 206 392 GPFS: Administration and Programming Reference filesets (continued) ID 313 linking 194 name 313 quotas 37 unlinking 274 FlashCopy image 181 full backup 78, 328, 331 G genkey 74 GPFS stopping 265 GPFS cache 54 GPFS cluster adding nodes 5 changing the GPFS cluster configuration servers 6 creating 3, 114 deleting nodes 5 displaying configuration information 3 managing 3 GPFS cluster configuration data 174 GPFS cluster configuration information displaying 198 GPFS cluster configuration server 159 changing 84 primary 85 secondary 85 GPFS cluster configuration servers changing 6 choosing 114 displaying 3 GPFS cluster data 126 GPFS commands 59 GPFS configuration data 368, 370 GPFS daemon starting 11, 270 stopping 11, 265 GPFS daemon status 188 GPFS directory entry 283 GPFS file system administering 1 GPFS file system snapshot handle 294, 295, 296, 298, 299, 301, 304 free 290 GPFS programming interfaces 277 GPFS subroutines 277 GPFS user exits 367 gpfs_acl_t 279 gpfs_close_inodescan() 280 gpfs_cmp_fssnapid() 281 gpfs_direntx_t 283 gpfs_fcntl() 284 gpfs_fgetattrs() 287 gpfs_fputattrs() 288 gpfs_free_fssnaphandle() 290 gpfs_fssnap_handle_t 291 gpfs_fssnap_id_t 292 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_iattr_t 307 gpfs_iclose 24 gpfs_iclose() 309 gpfs_ifile_t 310 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_iscan_t 327 gpfs_next_inode 24 gpfs_next_inode() 328 gpfs_opaque_acl_t 330 gpfs_open_inodescan 24 gpfs_open_inodescan() 331 gpfs_prealloc() 333 gpfs_putacl() 335 gpfs_quotactl() 37, 337 gpfs_quotaInfo_t 340 gpfs_seek_inode() 341 gpfs_stat() 343 gpfsAccessRange_t 344 gpfsCancelHints_t 345 gpfsClearFileCache_t 346 gpfsDataShipMap_t 347 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 grace period changing 171 setting 171 group quota 139, 141, 143, 172, 221, 238, 246 H High Performance Switch HPS) 28 hints description 57 subroutine for passing 284 hole 325 hyper-allocated block 263 I I/O caching policy changing 81 in-doubt value 98, 221, 246 incremental backup 78, 328, 331 inheritance of ACLs 49 InheritOnly 49 inode attributes 307 inode file handle 309, 310 inode number 317, 323, 328, 331, 341 inode scan 325, 328, 341 closing 280 opening 331 inode scan handle 280, 327 iscan handle 280 K kernel memory 81 L license inquiries 375 linking filesets 194 links to snapshots creating 267 deleting 267 lost+found directory 16 M man pages obtaining 385 managing a GPFS cluster 3 GPFS quotas 37 maxblocksize attribute changing 8, 90 maxFilesToCache attribute changing 8, 90 maximum number of files changing 103 displaying 209 maxMBps attribute changing 8 maxMBpS attribute changing 90 maxStatCache attribute changing 8, 90 metadata 81 metadata replica 104 metadata replication changing 19 mmadddisk 28, 62, 370 mmaddnode 5, 66 mmapplypolicy 69 mmauth 73 mmbackup 23, 78 Index 393
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
Page 362 and 363: gpfs_seek_inode() Subroutine Locati
Page 364 and 365: 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 414 and 415: mmchattr 19, 81 mmchcluster 6, 84 m
Page 416 and 417: setting access control lists 46 sna
Page 420: Readers’ Comments — We’d Like
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