User manual QUANTUM DATAMGR 3.5 CLIENTS GUIDE 01-2000

[. . . ] Client's Guide to Using DataMgrTM DataMgr Version 3. 5 January, 2000 Document Number 600921 Trademark Notice AMASS, EMASS, DataMgr, FileServ, and VolServ are either trademarks or registered trademarks of ADIC, Advanced Digital Information Corporation. DAS is a trademark of Grau, an ADIC subsidiary. All other product names and identifications are trademarks or registered trademarks of their respective manufacturers. Copyright Notice Copyright © 1996-2000 by ADIC. No part of this document may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual, or otherwise, without the express written permission of: ADIC 10949 East Peakview Ave. [. . . ] Omit the header normally printed in the output listing. View the storage type: either MSS or IMPT. Usage. -b -f -h -t -u View Management Criteria with Commands 2-17 Client's Guide to Using DataMgr Options managedfs NOTE: If this option is not used, DataMgr displays all managed file systems. Description Specify the mount point of a client's managed file system. Separate multiple file systems with a space. View Number of Files & Blocks # dmdf mfspath /techpubs /home The output below is the result of running the command without options: migrated blocks 167021 156090 shadwd blocks 62384 122098 migrtd files 1519 2333 shadwd files 116 254 The output fields are described below: Field Mfspath Migrated Blocks Description List of file systems that DataMgr is currently managing. Total number of 1 KB blocks that have been migrated. (The GUI expresses this value in MB. ) Shadowed Blocks Total number of 1 KB-sized blocks that have been shadowed. (The GUI expresses this value in MB. ) Migrated Files Total number of migrated files. 2-18 View Management Criteria with Commands Client's Guide to Using DataMgr Field Shadowed Files Description Total number of shadowed files. For a description of shadowed files, refer to "Shadowed File" on page 1-16 in DataMgr Overview. Using df Command on Managed Files When you interpret the UNIX df output for a managed file system, remember that each migrated file requires only 1 KB of space on your managed file system because this is the amount of space used by the stub file. For a description of stub files, refer to "Stub Files" on page 1-14 in DataMgr Overview. View with Commands View Management Criteria with Commands 2-19 Client's Guide to Using DataMgr View Space Needed for Reloads Display the virtual space usage in KB for either: · · Migrated files. Migrated directories. Virtual space is the logical block count of files; therefore, if a file is migrated, dmdu displays the space that would be used if the file were reloaded. Note Can be run as non-root user. The path and options follow: /etc/dmfs/usr/bin/dmdu [-u] [-a | -a file] [-s | -s directory] where: Options no options Description Display the total amount of virtual space (in 1 KB-sized blocks) required for each directory if the entire directory was reloaded. -u -a file NOTE: If a file is not specified, DataMgr uses the current directory. If a file has multiple links, only one link is counted. Usage. Display the total amount of virtual space (in 1 KB-sized blocks) required by each file if the file was reloaded. Names descend recursively. 2-20 View Management Criteria with Commands Client's Guide to Using DataMgr Options -s directory NOTE: If a directory is not specified, DataMgr uses the current directory. Description Display the total amount of virtual space (in 1 KB-sized blocks) required by each subdirectory. The output below is the result of running the command with the -a option: # dmdu -a 0 1 1 0 1 1 1 0 5 1184 9 2 1200 . /lost+found . /amass . /xdimod . /Migration/label . /Migration/locklist . /Migration/policy . /Migration/status . /Migration/trans . /Migration . /techpubs . /home . /vmunix . View with Commands View Management Criteria with Commands 2-21 Client's Guide to Using DataMgr The output fields are described below: Field Virtual Space Description Amount of virtual space (in 1 KB-sized blocks) required by each migrated file if the file was reloaded. Files or directory in a file system. File or Directory Name Using du Command on Managed Files The UNIX du command operates unchanged on a managed file system. It reports the number of 1 KB-sized blocks used by each directory encountered as it traverses the directory specified on the command line. When you interpret the UNIX du output for a managed file system, remember that each migrated file requires only 1 KB of space on your migrating file system because this is the amount of space used by the stub file. For a description of stub files, refer to "Stub Files" on page 1-14 in DataMgr Overview. 2-22 View Management Criteria with Commands Client's Guide to Using DataMgr NOTES View with Commands View Management Criteria with Commands 2-23 Client's Guide to Using DataMgr 2-24 View Management Criteria with Commands Task Table . 3-13 View File Excluded From Migration . 3-16 3 View Management Criteria with GUI View with GUI Client's Guide to Using DataMgr Roadmap Topic Initial setup tasks prior to using DataMgr. Use DataMgr command line to: · View migration criteria. Use DataMgr Client GUI to: · View migration criteria. [. . . ] · E_DM_FILENOTLOCKED = Unable to add the file to the DataMgr locklist. · E_DM_NOHANDLE = An invalid DMHandle parameter was passed. · E_DM_NOTRUNNING = DataMgr has been installed but is not currently running. · E_DM_RESOURCE = Unable to allocate enough resources (memory) to get the status of the requested file. API Calls API Calls A-9 Client's Guide to Using DataMgr DM_Unlock File() Remove the specified file from the DataMgr locklist. [. . . ]