HP Visualize J5600 hp enterprise file system: release note for hp DCE/9000 enh
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- HP Visualize J5600 | 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 J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 2
for a particular purpose. Hewlett-Packard shall not be held liable for errors contained herein or direct, indirect, special, incidental or consequential damages in connection with the furnishing, performance, or use of this material. Warranty. A copy of the specific warranty terms applicable to - HP Visualize J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 3
©copyright 1990, 1991, 1992 Cornell University ©copyright 1989-1991 The University of Maryland ©copyright 1988 Carnegie Mellon University Trademark Notices UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company Limited. X Window System is - HP Visualize J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 4
Legal Notices 4 - HP Visualize J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 5
Functions 14 Global variables 18 HP Enterprise File System Admin Web 20 2 Information About 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 - HP Visualize J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 6
Contents ClearCase Incompatibility 26 Issues with DFS as a UNIX Filesystem 26 Differences Between 1.5.2 and 3.0 29 Important: System Name 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 J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 7
Contents 7 - HP Visualize J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 8
Contents 8 - HP Visualize J5600 | 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 J5600 | 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 J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 11
the location of every fileset • Extends the UNIX permissions to provide more precise definitions of access 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 - HP Visualize J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 12
environment variable, RPC_SUPPORTED_NETADDRS. 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 or - HP Visualize J5600 | 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 J5600 | 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 J5600 | 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 J5600 | 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 J5600 | 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 J5600 | 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 J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 19
• 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. means that when an error is encountered during configuration, the clean-up code will be executed. "n" means that the node will be left in the - HP Visualize J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 20
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 for This Version" chapter in - HP Visualize J5600 | 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 J5600 | 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 J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 23
pose a problem for most sites. Using the HP-UX mkdir -p Command Care must be taken when choosing pathname arguments to the HP-UX mkdir UNIX permissions) because the first directory mkdir -p tries to create is users. Visibility of Global Cell Name Space The Enhanced DFS name space is visible to HP - HP Visualize J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 24
Information About This Version Known Problems and Workarounds shows mycell. These names are cached hide the conflicting symbols that exist in Enhanced DFS 3.0 (EFS 1.0). A context diff of the added code looks like: CFLAGS= -w ${COPTS} ${CCOPTS} HPUX= vmunix_test LIBHPUX= $(ROOT)/libhp-ux.a SPACE= - HP Visualize J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 25
System Administration Tasks manual (HP Part No. B2355-90079) for details. DCE Credentials Not Forwarded by CDE CDE (the Common Desktop Environment) can execute applications remotely in a somewhat seamless manner through the use of a package called ToolTalk. Even if a user has logged into CDE with - HP Visualize J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 26
with the secure file service that Enhanced DFS 3.0 provides. Issues with DFS as a UNIX Filesystem DFS is a perfectly valid Unix file system, with the from Unix. The two major aspects of these differences are ACLs and commands that change the user's login (such as su). The main problem is - HP Visualize J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 27
) does have full privileges 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 - HP Visualize J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 28
behave as if POSIX_CHOWN_RESTRICTED is true. This means that only a privileged user can change ownership of (chown) a file. In general, the file owner is not privileged, and cannot chown a file. This differs from the behavior of other HP-UX file systems (HFS, VxFS, NFS) and from a DFS exported UFS - HP Visualize J5600 | 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 J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 30
a performance 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 the configuration code so that - HP Visualize J5600 | 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 J5600 | 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 J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 33
, you must also install the following patch: • PHSS_21615, Pre-release Version - HP DCE/9000 1.7 Integrated Login cumulative patch. VxFS as File System for DFS Cache VxFS. The VxFSrelated patches associated with the current Quality Pack for HP-UX 11.00 are: • PHCO_17455 • PHCO_18093 • PHCO_18462 • - HP Visualize J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 34
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, graphics, and accessories. It will also - HP Visualize J5600 | 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 J5600 | 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 J5600 | 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, which NIS does not provide, is to obtain a user's DCE credentials when a user performs a standard UNIX login through telnet, ftp, CDE, etc. If Integrated Login - HP Visualize J5600 | 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 J5600 | 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 J5600 | hp enterprise file system: release note for hp DCE/9000 enh - Page 40
What Manuals are Available for This Version Online Documentation for Enhanced DFS 3.0 Online Documentation for Enhanced DFS 3.0 Documentation for HP DCE/ upon which Enhanced DFS 3.0 is based. • OSF DCE DFS Reference Guide, Revision 1.2.2 - available at the following pathnames: /opt/dce/efs_docs/html
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.