HP 3PAR Ubuntu Operating System Implementation Guide

# `GRUB_CMDLINE_LINUX'.
# update-grub
Issue
iSCSI sessions cannot login after reboot of host.
Workaround
Use iscsiadm -m -node -l to log in to all sessions:
/etc/rc.local
# iscsiadm -m node -l
Issue
The /tmp directory is cleared after reboot of host.
Workaround
The parameters to consider are located in /etc/default/rcS.
/etc/default/rcS
# delete files in /tmp during boot older than x days.
# '0' means always, -1 or 'infinite' disables the feature
TMPTIME=infinite
# do not allow users to log in until the boot has completed
DELAYLOGIN=yes
# assume that the BIOS clock is set to UTC time (recommended)
UTC=no
# be more verbose during the boot process
VERBOSE=yes
# reboot
Issue
syslog drops messages due to rate limiting.
Feb 27 18:57:43 dl360g7-79 iscsid: login current stage 1, next stage 3, transit 0x80
Feb 27 18:57:43 dl360g7-79 rsyslogd-2177: imuxsock begins to drop messages from pid
8527 due to rate-limiting
Feb 27 18:57:51 dl360g7-79 multipathd: 350002ac0002f011b: sdcn - tur checker reports
path is up
Workaround
Add $SystemLogRateLimitInterval to /etc/rsyslog.conf, and then restart rsyslog.
/etc/rsyslog.conf
$ModLoad imuxsock # provides support for local system logging
$ModLoad imklog # provides kernel logging support (previously done by rklogd)
$ModLoad immark # provides --MARK-- message capability
$SystemLogRateLimitInterval 0
# service rsyslog restart
36 Known Issues and Examples