Hi,            Good morning! 
I need your help.
can you suggest me how solve this issue with or without reboot?
we configured 
primary  domain 
4 vcpu 4gb memory
2*guest domain 
62 vcpu ,32 G memory each ..
but no issue's in guest domains are running good...

df -kh
root  /   100%

i can not run explorer .because it showing error min space required..

T5140 server problem in Primary domain,
I reset service processor after reconfigure  net management IP using 
sc>resetsc -y.

after 2 hour 

I found that  root file system full growto 100%from 81%
and ldmd cpu utilization gone to 25% from 0.2%
prstat  
ldmd  25% cpu utilization

when i free up 2.5 GB space in root file system and i monitor the all files
df -kh
/ root 75%

later i discover 
There is a one log file growing faster under
/var/svc/log, ldoms-ldmd:default.log.0 file

#du -sh ldoms-ldmd:default.log.0 file
2.1 G

since from 12:55:27 to 16:15:41 this log file grow to 4.6 GB from 2.1 GB

root at xxx # more /var/log/syslog
May 16 12:55:27 sendmail[900]: [ID 702911 mail.info] accepting new
messages (again)
May 16 15:41:32 xxx sendmail[900]: [ID 702911 mail.info] rejecting new
messages: min free: 100
root at xxx#

then i decided to mv this log file  to another server and i removed this
log file again it showing / root 100% full

#df -kh  still /root 100% .

but /var showing correct ../var shrink to 560 Mb from 4.6 GB
#du -sh /var
560 MB

ldoms-ldmd:default.log.0  log file no more exist in /var/svc/log
but new log file ldoms-ldmd:default.log exist 2kb in /var/svc/log

please Can you suggest me what is the root cause?

I didn't get error messages in dmesg and /var/adm/messages except /root
file except system was full .

May  1 00:02:16 xxxx fbt: [ID 795213 kern.warning] WARNING:
May 14 15:27:09 xxx SC Alert: [ID 178418 daemon.notice] Audit | minor:
admin : Open Session : object = /session/type : value = shell : success
May 14 15:35:40 Rxxx SC Alert: [ID 434268 daemon.notice] Audit | minor:
admin : Close Session : object = /session/type : value = shell : success
May 14 15:55:52 Rxxx SC Alert: [ID 178418 daemon.notice] Audit | minor:
admin : Open Session : object = /session/type : value = shell : success
May 14 15:59:35 RLxxx SC Alert: [ID 434268 daemon.notice] Audit | minor:
admin : Close Session : object = /session/type : value = shell : success
May 15 10:49:49 Rxxxx SC Alert: [ID 178418 daemon.notice] Audit | minor:
admin : Open Session : object = /session/type : value = shell :
alloc: /: file
May 15 14:12:28 xxx last message repeated 99 times
May 15 14:12:32 xxx ufs: [ID 845546 kern.notice] NOTICE: alloc: /: file
system full
May 15 14:19:09 xxxlast message repeated 99 times
May 15 14:19:13 xxx ufs: [ID 845546 kern.notice] NOTICE: alloc: /: file
system full

May 15 14:52:30 xxxx last message repeated 83 times
May 15 14:52:34 xxx ufs: [ID 845546 kern.notice] NOTICE: alloc: /: file
system full

Thanks&Regards
seenivasan.G
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