Caché Installation Guide - InterSystems Documentation

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Calculating System Parameters for UNIX and Linux to set RLIMIT_FSIZE while running; therefore, you must set the value to unlimited on your operating system before installation. Caché also sets the process soft limit to RLIMIT_FSIZE in its daemons to prevent I/O errors. Important: Caché will not install or start up if RLIMIT_FSIZE is not set to unlimited. See the operating system documentation for your platform for instructions on how to set the system hard limit for the maximum file size, RLIMIT_FSIZE. B.2.3 Platform Configuration Issues The following sections contain configuration issues for some individual platforms. For more information, consult the system documentation for your platform. • Tru64 UNIX Platform Notes • HP-UX Platform Notes • AIX Platform Notes • Red Hat Linux Platform Notes • Sun Solaris Platform Notes • SUSE Linux Platform Notes B.2.3.1 Tru64 UNIX Platform Notes For the Tru64 UNIX supported releases, set the following kernel parameters to the size of all the shared memory to allocate (including space allocated for the buffer pool, routine buffers, and other data structures): • shm_max • per_proc_address_space • max_per_proc_address_space The following parameters are not implemented: • MSGMAX • MSGMNI • SEMMNI • SEMMNS • SEMMSL • SHMALL 92 Caché Installation Guide
Configure UNIX Kernel Parameters • SHMMNI SMMAX and SMSEG are referred to as SHMMAX and SHMSEG, respectively. The sysconfig -q subsystem [attribute] command displays the current values for the attributes of the specified subsystem, or the particular attribute specified. See the Tru64 UNIX documentation entry for sysconfig(8) for more information. For example: >sysconfig -q ipc msg_max = 8192 msg_mnb = 16384 msg_mni = 64 msg_tql = 40 shm_max = 268435456 shm_min = 1 shm_mni = 128 shm_seg = 32 sem_mni = 16 sem_msl = 1000 sem_opm = 10 sem_ume = 10 sem_vmx = 32767 sem_aem = 16384 max_kernel_ports = 56864 ssm_threshold = 8388608 ssm_enable_core_dump = 1 shm_allocate_striped = 1 shm_enable_core_dump = 1 To permanently modify the value of an attribute, use the sysconfigdb -a -f stanza_file subsystem command to specify the stanza-formatted file that contains the subsystem, the attribute, and the new permanent attribute value. The subsystem argument specifies the subsystem whose attribute you want to modify. The following is an example of a stanza-formatted file that changes the permanent values of the ipc subsystem attributes shm_max and sem_msl: ipc: shm_max = 268435456 sem_msl = 1000 See stanza(4) and sysconfigdb(8) for information about stanza-formatted files. To use the new permanent value, restart the system or, if the attribute can be tuned at run time, use the sysconfig -r command to change the current value (see the “Displaying and Modifying Kernel Subsystem Attributes” chapter of the Tru64 UNIX System Configuration and Tuning guide). B.2.3.2 HP-UX Platform Notes HP-UX release 11i does not implement the CDLIMIT and NOFILES parameters. However, you can tune the values of the ulimit and maxfiles parameters instead. Caché Installation Guide 93
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Caché Installation Guide Version 2
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Table of Contents About This Book .
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5.1.2 Supported Platforms and Web S
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List of Tables Components Installed
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About This Book Default Caché Inst
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Upgrading Caché You may upgrade di
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2 Installing Caché on Microsoft Wi
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If you are installing Caché from a
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Caché Installation Component Group
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Caché Installation To perform a se
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Caché Installation To perform a Ca
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Post-installation Tasks 7. The Read
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enable a previous Caché instance t
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Special Considerations Locale optio
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3 Installing Caché on OpenVMS This
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Caché Installation 3.2.1 Transfer
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