第5章 既知の問題

CPU0: update failed (for patch_level=0x6000624)

echo "options qla2xxx ql2xasynclogin=0" > /etc/modprobe.d/qla2xxx.conf
mkinitrd  /boot/initramfs-`uname -r`.img `uname -r` --force

~]$ lvcreate --type raid1 -m 1 -L 1G -n my_mirror my_vg

~]$ lvconvert -m +1 <vg/lv> <new PV>
~]$ lvconvert -m -1 <vg/lv> <old PV>

~]$ lvconvert --mirrorlog core <vg/lv>
~]$ lvconvert --mirrorlog disk <vg/lv> <new PV>

~]$ lvconvert --mirrorlog mirrored <vg/lv> <new PV>
~]$ lvconvert --mirrorlog disk <vg/lv> <old PV>

Could not set up I/O space

ifconfig eth0 down
ifconfig eth0 up
sleep 5
dcbtool sc eth0 dcb on
sleep 5
dcbtool sc eth0 pfc e:1 a:1 w:1
dcbtool sc eth0 app:fcoe e:1 a:1 w:1
service fcoe restart

LINKDELAY=10

WARNING: configuration setting use_lvmetad overriden to 0 due to locking_type 3. Clustered environment not supported by lvmetad yet.

kinit admin
ipa config-mod --ipaselinuxusermapdefault=unconfined_u:s0-s0:c0.c1023

Certificate operation cannot be completed: Unable to communicate with CMS (Unauthorized)

~]# yum downgrade ipa-server libipa_hbac libipa_hbac-python ipa-python ipa-client ipa-admintools ipa-server-selinux

/sbin/restorecon:  lstat(/var/lib/pki-ca/publish*) failed:  No such file or directory

~]# yum install policycoreutils

~]$ ipa sudocmd-add /usr/bin/X
⋮
~]$ ipa sudocmd-add /usr/bin/x
ipa: ERROR: sudo command with name "/usr/bin/x" already exists

memberUID: user1,user2

(Wed Nov  2 15:18:21 2011) [sssd] [ldb] (0): A transaction is still active in
ldb context [0xaa0460] on /var/lib/sss/db/cache_<DOMAIN>.ldb

~]$ lsusb -v -d 147e:2016 | grep bcdDevice

vmalloc=256MB

~]# echo 'change' > /sys/class/block/sdX/uevent

WARNING: BIOS bug: CPU MTRRs don't cover all of memory, losing <number>MB of RAM

~]# ./perf record -agT -e sched:sched_switch -F 100 -- sleep 3

bfa xxxx:xx:xx.x: Base port (WWN = xx:xx:xx:xx:xx:xx:xx:xx) lost fabric connectivity

kernel: cciss0: <0x3230> at PCI 0000:1f:00.0 IRQ 71 using DAC
…
kernel: cciss1: <0x3230> at PCI 0000:02:00.0 IRQ 75 using DAC

#!/bin/sh
# Disable hyper-threading processor cores on suspend and hibernate, re-enable
# on resume.
# This file goes into /etc/pm/sleep.d/

case $1 in
        hibernate|suspend)
                echo 0 > /sys/devices/system/cpu/cpu1/online
                echo 0 > /sys/devices/system/cpu/cpu3/online
                ;;

        thaw|resume)
                echo 1 > /sys/devices/system/cpu/cpu1/online
                echo 1 > /sys/devices/system/cpu/cpu3/online
                ;;
esac

echo 0 > /proc/sys/kernel/nmi_watchdog

echo 1 > /proc/sys/kernel/nmi_watchdog

echo 0 > /proc/sys/kernel/nmi_watchdog

Wrong settings detected for Red Hat Customer Support [..]

~]# service rsyslog restart