HP Visualize b2000 hp enterprise file system: release note for hp DCE/9000 enh
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- HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 1
HP Enterprise File System HP DCE/9000 Enhanced DFS Version 3.0 Release Note HP Part No. B6863-IE001-E0302 Edition 1 © Hewlett-Packard Company, 1997-2002. All rights reserved. - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 2
specific warranty terms applicable to your HewlettPackard product and replacement parts can be obtained from your local Sales and Service (c) (2) of the Commercial Computer Software Restricted Rights clause at of this document and the CD-ROM(s) supplied for this pack is restricted to this product - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 3
Legal Notices This software is based in part on the Fourth Berkeley Software Distribution under license from the Regents of the University of California. ©copyright 1980, 1984, 1986 Novell, Inc. ©copyright 1986-1992 - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 4
Legal Notices 4 - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 5
This Version Known Problems and Workarounds 22 Problems Accessing Foreign Cell 22 FTS Produces Core Dump 22 Local LFS Mount Not Supported 22 Exporting VxFS File System Not Supported 22 DCM Tool Not Supported 22 GDS Required for X.500 Cell Name 23 UDP/IP Required 23 Using the HP-UX mkdir -p Command - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 6
File System for DFS Cache 33 Patches Strongly Recommended 34 Cache Space Requirements 35 Enhanced DFS 3.0 Interoperability 36 NIS and Integrated Login Interoperability 37 4 What Manuals are Available for This Version Online Documentation for Enhanced DFS 3.0 40 6 - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 7
Contents 7 - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 8
Contents 8 - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 9
1 What's in This Version HP DCE/9000 Enhanced DFS Version 3.0 is a distributed file system functionally equivalent to Version 1.2.2 of The Open Group's (formerly Open Software Foundation) DCE Distributed File Service (DFS). Enhanced DFS is one component of the HP Enterprise File System product - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 10
DFS filespace. Within this filespace, users can share files stored on any of the computers that are part of this global view. Enhanced DFS requires the HP-UX 11.0 operating system and the HP DCE/9000 Version 1.7 product. Enhanced DFS supports all HP DCE/9000 DFS 1.7 functionality and protocols - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 11
server machines in the network • Backs up and restores system and user data as needed Enhanced DFS 3.0 operates on top of and interacts with the following HP DCE 1.7 components: • DCE Security Service • DCE Directory Service • DCE Distributed Time Service • DCE Remote Procedure Call facility 11 - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 12
offers complete HP DCE/9000 1.7 DFS server functionality for distributed computing environments, See the HP DCE 1.5 planning and configuration guide for a description of this environment variable. The runtime looks for a RPC_SUPPORTED_NETADDRS environment variable, which allows a user - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 13
What's in This Version Features export RPC_SUPPORTED_NETADDRS=ip:myhost or export RPC_SUPPORTED_NETADDRS=ip:10.3.2.1 forces any servers started in the current shell to support only the addresses associated with the name myhost and the network address 10.3.2.1 Since both DCE and DFS respond to - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 14
client: tcl_dce_config_dceclient (hostname sec_server \ > cds_server dts_type celladmin celladmin_pw) The local host name is passed for users that would like to specify a full domain name (for example, oddball.ch.apollo.hp.com) instead of the short name you get from the system hostname command. The - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 15
be passed as either the full domain name (for example, blech.ch.apollo.hp.com) or the short name (for example, blech). Specify the cellname parameter be passed as either the full domain name (for example, blech.ch.apollo.hp.com) or the short name (for example, blech). Specify the cellname parameter - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 16
(hostname cellname \ > sec_server celladmin celladmin_pw) The hostname parameter can be passed as either the full domain name (for example, blech.ch.apollo.hp.com) or the short name (for example, blech). Specify the cellname parameter without the /.../ in front. The dts_type parameter should be one - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 17
What's in This Version Features 7 Configure security replica: tcl_dce_config_secreplica (hostname celladmin \ > celladmin_pw) This function allows an existing dce client machine to become a security replica. The hostname will be the used as the name of the replica. The node you run this function on - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 18
host. Global variables Global variables include directory variables, execution variables, and security server variables. Global variables may be defined by the user if the default setting is not correct for whatever reason. If none are defined, the configuration scripts will still work correctly. 18 - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 19
Directory variables should only have to be changed by the user if they somehow customize their dce installation and required files dce" • DCE_OPT - Default is "/opt/dce" Execution variables can be changed by the user to modify the behavior of the configuration scripts. • CLEAN_UP - y or n. "y" - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 20
Information on product updates and new additions to the Resource Kit via the HP EFS home page • send mail about Enhanced DFS to HP Note that you can access a copy of the HP DCE/9000 Enhanced DFS Version 3.0 Release Note (in HTML format) from the HP EFS home page. See the "What Manuals are Available - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 21
2 Information About This Version This chapter describes the known problems and limitations of HP DCE/9000 Enhanced DFS Version 3.0 and differences between this version and the previous version. 21 - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 22
the VxFS file system. DCM Tool Not Supported Enhanced DFS 3.0 does not support the SAM-based DCE Configuration Manager (DCM) tool. To configure Enhanced DFS 3.0, you must use the dce_config command explicitly, as instructed in Planning and Configuring HP DCE/9000 Enhanced DFS Version 3.0, or use - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 23
Care must be taken when choosing pathname arguments to the HP-UX mkdir -p command, which tries to create each directory in the path you specify. Thus: mkdir -p /.../xyz.abc.com/fs/users/kk/dir fails because nothing can be created in the CDS part of the name space ( /... and /.../xyz.abc.com). In - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 24
Problems and Workarounds shows mycell. These names are cached by EFS until the node is rebooted. Although you can use some commands (such as cd and ls) to look at this part -w ${COPTS} ${CCOPTS} HPUX= vmunix_test LIBHPUX= $(ROOT)/libhp-ux.a SPACE= /stand/build/space.h SPACEDIR= /usr/conf/space.h.d - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 25
of Chapter 1 of HP-UX System Administration Tasks manual (HP Part No. B2355-90079) user has logged into CDE with Integrated Login, CDE does not forward the user's DCE credentials to the machine where the remote execution will take place. There is no problem with DCE credentials as long as the user - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 26
Problems and Workarounds Maximum Episode Aggregate and Fileset Sizes The maximum size of an Episode aggregate is limited by the maximum HP-UX file system size of 128 GB. The maximum size of an Episode fileset and file is 128 GB. HP secure file service that DFS from a user or application perspective - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 27
in DFS, so you can use it to work around the UNIX administration problems. Note that you must use EXTREME CAUTION when using the network root identity because it has full access to all files on all DFS services in the cell, not just a single server, like the local UNIX root identity - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 28
a file. This differs from the behavior of other HP-UX file systems (HFS, VxFS, NFS) and from a DFS exported UFS file, all of which allow file owners to chown files they own. A privileged user is either the DCE network root identity or a user specified in the group specified by the -admingroup option - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 29
1.5.2 and 3.0 CAUTION: Differences Between 1.5.2 and 3.0 This section describes differences between HP DCE/9000 Enhanced DFS Version 1.5.2 and Version 3.0. Important: System Name Change This item is not actually a problem, but a change that may affect programs, scripts, or other processes. In - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 30
HP DCE/9000 Enhanced DFS Version 3.0 on HP-UX 11 problem introduced by a previous defect fix. • Improved the output of the failage field in FTS commands to be more useful and readable. • Corrected a memory leak in DFS that eventually used up all user memory, causing the system to freeze. • Updated - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 31
3 Compatibility Information and Installation Requirements This chapter describes the hardware, software, operating system, memory, and swap space requirements for HP DCE/9000 Enhanced DFS Version 3.0 on HP-UX 11.0. 31 - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 32
As a result, the following are prerequisites for the installation of the HP Enhanced DFS product: • HP DCE/9000 Core Client Software product • B6733AA DCE/9000 Kernel Threads Support bundle The DCE core client package (DCE-Core) is bundled with HP-UX 11.00, and consequently should be present on all - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 33
the current Quality Pack patches associated with VxFS. The VxFSrelated patches associated with the current Quality Pack for HP-UX 11.00 are: • PHCO_17455 • PHCO_18093 • PHCO_18462 • PHCO_18463 • PHCO_18464 • PHCO_18465 • PHCO_18467 • PHCO_18468 • PHCO_18472 • PHCO_21242 • PHCO_23651 • PHKL_14763 33 - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 34
of the Hardware Enablement (HWEnable) and Quality Pack (QPK) patch bundles for HP-UX 11.00. The latest versions at this time are Dec 2001 HWE110 and Sept 2001 Quality Pack QPK1100. Loading the laterst versions will enable support for the latest hardware - SPUs, peripherals, I/O and networking cards - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 35
disk space requirements. Chapter 8 of the OSF DFS Administrators Guide provides some guidance and information regarding this subject. In general more disk space than the specified cache size to accomodate both DFS-specific files and file system overhead. File system overhead includes the disk blocks - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 36
and Installation Requirements Enhanced DFS 3.0 Interoperability Enhanced DFS 3.0 Interoperability HP DFS clients and servers are completely interoperable with HP DCE/9000 Version 1.4x and 1.7 DFS clients and servers.. This includes HP DFS 1.4.x, HP DFS 1.5.x, and versions 1.0, 2.0, and 3.0 of the - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 37
NIS, Integrated Login, and DCE/DFS should interoperate without any problems because they do not have any knowledge of one another. Login falls back to using the /etc/passwd file; upon successful login, the user does not have DCE credentials, gains unauthenticated access to DFS, and thus can only - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 38
Compatibility Information and Installation Requirements NIS and Integrated Login Interoperability 38 - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 39
4 What Manuals are Available for This Version Documentation for HP DCE/9000 Enhanced DFS Version 3.0 consists of online documentation and information in the Enterprise File System Admin web. 39 - HP Visualize b2000 | hp enterprise file system: release note for hp DCE/9000 enh - Page 40
at HP's EFS home page web site. See the "HP pdf/PlanConfigEFS.pdf /opt/dce/efs_docs/text/PlanConfigEFS.text • OSF DCE DFS Administration Guide, Revision 1.2.2 - available at the following pathnames: /opt/dce/efs_docs/html/Admin_Guide/index.html /opt/dce/efs_docs/text/OSFDFS1.2.2Admin.txt This manual
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HP Enterprise File System
HP DCE/9000 Enhanced DFS Version 3.0
Release Note
HP Part No. B6863-IE001-E0302
Edition 1
© Hewlett-Packard Company, 1997-2002. All rights reserved.