GPFS: Administration and Programming Reference - IRA Home

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RPM at www.rpm.org/ The Internet Engineering Task Force at www.ietf.org/ The Open Group at www.opengroup.org/ The Linux Kernel Archives at www.kernel.org/ OpenSSH at www.openssh.com The OpenSSL Project at www.openssl.org Non-IBM publications Here are some non-IBM publications that you may find helpful: v Almasi, G., Gottlieb, A., Highly Parallel Computing, Benjamin-Cummings Publishing Company, Inc., 2nd edition, 1994. v Foster, I., Designing and Building Parallel Programs, Addison-Wesley, 1995. v Gropp, W., Lusk, E., Skjellum, A., Using MPI, The MIT Press, 1994. v Message Passing Interface Forum, MPI: A Message-Passing Interface Standard, Version 1.1, University of Tennessee, Knoxville, Tennessee, June 6, 1995. v Message Passing Interface Forum, MPI-2: Extensions to the Message-Passing Interface, Version 2.0, University of Tennessee, Knoxville, Tennessee, July 18, 1997. v Ousterhout, John K., Tcl and the Tk Toolkit, Addison-Wesley, Reading, MA, 1994, ISBN 0-201-63337-X. v Pfister, Gregory, F., In Search of Clusters, Prentice Hall, 1998. v System Management: Data Storage Management (XDSM) API Common Applications Environment (CAE) Specification C429, The Open Group, ISBN 1-85912-190-X. Available online in HTML from The Open Group’s Web site at www.opengroup.org/. 388 GPFS: Administration and Programming Reference
Index Special characters .rhosts file 1, 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 A access ACL 46 access control information 305 restoring 335 access control lists administering 48 allow type 49 applying 52 changing 48, 52 creating 233 DELETE 50 DELETE_CHILD 50 deleting 48, 52, 149 deny type 49 displaying 47, 52, 185 editing 168 exceptions 52 getting 188 inheritance 49 limitations 52 managing 45 NFS V4 45, 48 NFS V4 syntax 49 setting 46, 47, 51 special names 49 traditional 45 translation 50 ACL information 279, 330 restoring 335 retrieving 305 activating quota limit checking 41 adding disks 28 adding nodes to a GPFS cluster 5 administering GPFS file system 1 administration tasks 1 agent node 347 Appendixes 371 atime 105, 331, 343, 371 attributes useNSDserver 34 authentication method 1 autoload attribute changing 8 automatic mount changing 8 indicating 122 automatic quota activation 249 automount 13 automountDir attribute changing 8 automounter attribute changing 88 B backing up a file system 23 backup appliations writing 24 backup client 78 backup control information 78 backup NSD server node changing 33, 109 choosing 126 backup server 78 block level incremental backups 325 block size affect on maximum mounted file system size 90, 122 choosing 122 C cache 54 changing cluster configuration attributes 88 disk states 32 quotas 38 replication 19 checking file systems 16 quotas 39 chmod 45 cipherList 74 cipherList attribute changing 8, 88 cluster changing configuration attributes 8, 88 cluster configuration attributes changing 8 displaying 200 cluster configuration data 174, 181 cluster configuration server 114, 159, 181 commands chmod 45 mmadddisk 28, 62, 370 mmaddnode 5, 66 mmapplypolicy 69 mmauth 73 mmbackup 23, 24, 78 mmchattr 19, 81 mmchcluster 6, 84 mmchconfig 8, 9, 10, 53, 54, 88 mmchdisk 16, 19, 31, 32, 94 mmcheckquota 16, 37, 39, 98 © Copyright IBM Corp. 1998, 2006 389
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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
Page 358 and 359: gpfs_quotactl() Subroutine Q_SETQUO
Page 360 and 361: 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 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 416 and 417: setting access control lists 46 sna
Page 420: Readers’ Comments — We’d Like
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