pseudo: [ID 129642] pseudo-device: vol0

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Operating Systems Solaris pseudo: [ID 129642] pseudo-device: vol0
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Old 02-13-2008
pseudo: [ID 129642] pseudo-device: vol0

Hi I have a system that gave me some messages on bootup that I was not used to seeing:
pseudo: [ID 129642] pseudo-device: vol0
genunix: [ID 936769] vol0 is /pseudo/vol@0
these came with these:
Feb 13 17:42:17 system1 eri: [ID 517527] SUNW,eri0 : 100 Mbps full duplex link up
Feb 13 17:42:21 system1sendmail[197]: [ID 702911 mail.crit] My unqualified host name (system1) unknown; sleeping for retry
Feb 13 17:43:21 system1 sendmail[197]: [ID 702911 mail.alert] unable to qualify my own domain name (system1) -- using short name
Feb 13 17:43:24 system1 pseudo: [ID 129642] pseudo-device: vol0
Feb 13 17:43:24 system1 genunix: [ID 936769] vol0 is /pseudo/vol@0
Feb 13 17:43:25 system1 eri: [ID 517527] SUNW,eri0 : No response from Ethernet network : Link down -- cable problem?
I know what the sendamil messages are, but the pseudo mesages I don't understand.
Can you help me?
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pseudo(4)                                                          File Formats                                                          pseudo(4)

pseudo - configuration files for pseudo device drivers DESCRIPTION
Pseudo devices are devices that are implemented entirely in software. Drivers for pseudo devices must provide driver configuration files to inform the system of each pseudo device that should be created. Configuration files for pseudo device drivers must identify the parent driver explicitly as pseudo, and must create an integer property called instance which is unique to this entry in the configuration file. Each entry in the configuration file creates a prototype devinfo node. Each node is assigned an instance number which is determined by the value of the instance property. This property is only applicable to children of the pseudo parent, and is required since pseudo devices have no hardware address from which to determine the instance number. See driver.conf(4) for further details of configuration file syntax. EXAMPLES
Example 1: A sample configuration file. Here is a configuration file called ramdisk.conf for a pseudo device driver that implements a RAM disk. This file creates two nodes called "ramdisk". The first entry creates ramdisk node instance 0, and the second creates ramdisk node, instance 1, with the additional disk-size property set to 512. # # Copyright (c) 1993, by Sun Microsystems, Inc. # #ident "@(#)ramdisk.conf 1.3 93/06/04 SMI" name="ramdisk" parent="pseudo" instance=0; name="ramdisk" parent="pseudo" instance=1 disk-size=512; SEE ALSO
driver.conf(4), ddi_prop_op(9F) Writing Device Drivers SunOS 5.10 15 Jun 1993 pseudo(4)