http://oracle.3dub.com Oracle, Linux and UNIX tips, tricks and stuff Fri, 03 Feb 2012 18:14:25 +0000 http://backend.userland.com/rss092 en The usb0 NIC sometimes causes problems with certain Oracle grid components on 11g RAC. Setting the /etc/sysconfig/network-scripts/ifcfg-usb0 'ONBOOT=no' does not always work and the devices fires up again. You can disable the NIC from even initializing by adding the following as the first line in /etc/udev/rules.d/60-net.rules ACTION=="add", DRIVER=="usb", SYSFS{configuration}=="CDC Ethernet", OPTIONS+="ignore_device, last_rule" http://oracle.3dub.com/2012/02/03/disable-usb0-nic-rhel5/ http://www.symantec.com/business/support/index?page=content&id=HOWTO58833 http://oracle.3dub.com/2011/12/13/turn-on-agent-debugging-vcs/ A kernel patch caused the machine to panic, leaving it in a confused state. I was able to boot from a CD and back out the patch, but it did not update the boot archive, even after issuing /sbin/bootadm update-archive -R /a to fix: Boot into the disk failsafe, then run: /a/boot/solaris/bin/create_ramdisk -R ... http://oracle.3dub.com/2011/11/22/solaris-fix-for-boot-problems/ /usr/sbin/flarcreate -cSn "some comment" -a "some_email@somewhere.com" -R / -X /root/exclude_from_flar.txt /path/to/archive.flar without the '-a' the flar install will fail with the error: "ERROR: Could not find archive" http://oracle.3dub.com/2011/11/19/make-flar-for-solaris/ ksh -o vi export TERM=vt100 /usr/openwin/bin/resize or, If booted from CD or in failsafe: /a/usr/openwin/bin/resize http://oracle.3dub.com/2011/11/17/fix-terminal-when-in-single-user-mode-solaris/ tunefs.ocfs2 -S http://oracle.3dub.com/2011/09/20/grow-ocfs2-partition/ column select inst_id,opname, totalwork, sofar, time_remaining from gv$session_longops where totalwork > sofar order by time_remaining; http://oracle.3dub.com/2011/08/10/see-long-running-jobs-in-the-rac/ export DG=SOME-DG clear; for i in `vxprint -ht -g ${DG}|grep DISA| grep ^pl | awk '{print $2}'`; do echo "vxmend -g ${DG} fix stale $i" echo "vxmend -g ${DG} fix clean $i"; done vxvol -g ${DG} startall http://oracle.3dub.com/2011/08/09/fix-disabled-or-stale-vxfs-volumes/ # add volume definition hares -add SRVS-vol8  Volume  SRVS-SG hares -modify SRVS-vol8  Critical  0 hares -modify SRVS-vol8  DiskGroup  cjprd hares -modify SRVS-vol8  Volume  cjprd-vol8 hares -modify SRVS-vol8  Enabled  1 hares -link SRVS-vol8  SRVS-dg   0   0 # Add mount definition hares -add SRVS-odbf4  Mount  SRVS-SG hares -modify SRVS-odbf4  Critical  1 hares -modify SRVS-odbf4  SnapUmount  0 hares -modify SRVS-odbf4  CkptUmount  1 hares -modify SRVS-odbf4  ... http://oracle.3dub.com/2011/06/21/add-new-mount-point-to-vcs-service-group/ Problem: not able to connect to the console -> start /CH/BL1/SP/cli Are you sure you want to start /CH/BL1/SP/cli (y/n)? y ...just hangs indefinitely Solution: We need to reset the serial port to the blade. -> reset /CH/BL1/SP Are you sure you want to reset /CH/BL1/SP (y/n)? y Performing hard reset on /CH/BL1/SP -> start cli Are you sure ... http://oracle.3dub.com/2011/06/16/ldom-console-connection-hangs/