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UNIX for Beginners Questions & Answers
Check that at least one file exists in the directory.
Post 303039650 by Rajesh123 on Friday 11th of October 2019 03:34:48 AM
10-11-2019
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LEARN ABOUT LINUX
datadm
datadm(1M) datadm(1M) NAME
datadm - maintain DAT static registry file SYNOPSIS
/usr/bin/datadm [-v] [-u] [-a service_provider.conf] [-r service_provider.conf] The datadm utility maintains the DAT static registry file, dat.conf(4). This administrative configuration program allows uDAPL service providers to add and remove themselves to the dat.conf file. You can add or remove interface adapters that a service provider supports from a system after its installation. You can use datadm to update the dat.conf file to reflect the current state of the system. A new set of interface adapters for all the service providers cur- rently installed is regenerated. The following options are supported: -a service_provider.conf Enumerate each device entry in the service_provider.conf(4) file into a list of interface adapters, that is, interfaces to external network that are available to uDAPL consumers. -r service_provider.conf Remove the list of interface adapters that corresponds to the device entry in the service_provider.conf(4) file. -u Update the dat.conf to reflect the current state of the system with an up to date set of interface adapters for the service providers that are currently listed in the DAT static registry. -v Display the DAT static registry file, dat.conf. Example 1: Enumerating a Device Entry The following example enumerates a device entry in the service_provider.conf(4) file into interface adapters in the dat.conf(4) file. Assume that SUNW has a service provider library that supports the device tavor. It has a service_provider.conf(4) file installed in the directory /usr/share/dat/SUNWudaplt.conf with a single entry as follows: driver_name=tavor u1.2 nonthreadsafe default udapl_tavor.so.1 SUNW.1.0 "" tavor is an Infiniband Host Channel Adapter with two ports. Both IB ports exist in a single IB partition, 0x8001. If an IP interface is plumbed to each port, there are two IPoIB device instances, ibd0 and ibd1: # ls -l /dev/ibd* /dev/ibd0 -> /devices/pci@1/pci15b3,5a44@0/ibport@1,8001,ipib:ibd0 /dev/ibd1 -> /devices/pci@1/pci15b3,5a44@0/ibport@2,8001,ipib:ibd1 Running the command, datadm -a /usr/share/dat/SUNWudaplt.conf appends two new entries (if they do not already exists]) in the /etc/dat/dat.conffile: ibd0 u1.2 nonthreadsafe default udapl_tavor.so.1 SUNW.1.0 "" "driver_name=tavor" ibd1 u1.2 nonthreadsafe default udapl_tavor.so.1 SUNW.1.0 "" "driver_name=tavor" Example 2: Updating the dat.conf to Reflect the Current State of the System A new IB partition, 0x8002 is added to the above example covering port 1 of the Host Channel Adapter. If a new IP interface is plumbed to port 1/partition 0x8002, there is a third IPoIB device instance: ibd2. # ls -l /dev/ibd* /dev/ibd0 -> /devices/pci@1/pci15b3,5a44@0/ibport@1,8001,ipib:ibd0 /dev/ibd1 -> /devices/pci@1/pci15b3,5a44@0/ibport@2,8001,ipib:ibd1 /dev/ibd2 -> /devices/pci@1/pci15b3,5a44@0/ibport@1,8002,ipib:ibd2 Running datadm -u command, updates the /etc/dat/dat.conf file with a new entry added reflecting the current state of the system. datadm -v shows that there are now three entries in the /etc/dat/dat.conf file: ibd0 u1.2 nonthreadsafe default udapl_tavor.so.1 SUNW.1.0 "" "driver_name=tavor" ibd1 u1.2 nonthreadsafe default udapl_tavor.so.1 SUNW.1.0 "" "driver_name=tavor" ibd2 u1.2 nonthreadsafe default udapl_tavor.so.1 SUNW.1.0 "" "driver_name=tavor" /etc/dat/dat.conf DAT static registry file See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWudaplu | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ pkgadd(1M), pkgrm(1M), libdat(3LIB), dat.conf(4), service_provider.conf(4). attributes(5) 18 Jun 2004 datadm(1M)