How to Find ASM Disk to Physical Device Mapping
by dervish on Jul.31, 2013, under Uncategorized
How to Find ASM Disk to Physical Device Mapping
1. List Oracle ASM Disks
# /etc/init.d/oracleasm listdisks
DV242ASM00
DV242ASM01
DV242ASM02
EMCPPA1
EMCPPB1
2. Query Disk
# /etc/init.d/oracleasm querydisk -d EMCPPB1
Disk “EMCPPB1” is a valid ASM disk on device [8, 33]
3. Match Major/Minor Numbers to Physical Disk
# ls -l /dev | grep 8|grep 33
brw-rw—- 1 root disk 8, 33 Jul 25 17:38 sdc1
Clear Faults Using the ILOM CLI
by dervish on Jul.25, 2013, under Sun
How to Clear Faults Using the Oracle ILOM Command-Line Interface
Log in to the Oracle ILOM CLI.
Use the following command to clear the fault for a specific component.
–>set pathtocomponent clear_fault_action=true
where pathtocomponent is the path to the component for which you want to clear the fault.
For example:
set /SYS/BL0/P0/D0 clear_fault_action=true
HP-UX Enable Largefile Support
by dervish on Jul.19, 2013, under HP-UX
Issue:
RMAN-10035: exception raised in RPC: ORA-19504: failed to create file “/u94/oradata/msctest/bomd02.dbf”
ORA-27044: unable to write the header block of file
HP-UX Error: 27: File too large
or
ORA-01237: cannot extend datafile 222
ORA-01110: data file 222: ‘/u95/oradata/mscprod/invdl412.dbf’
ORA-27059: skgfrsz: could not reduce file size
HP-UX Error: 27: File too large
Additional information: 1
Check if large files are supported:
# fsadm -F vxfs /u94
nolargefiles
Fix:
# fsadm -F vxfs -o largefiles /dev/vg05/u94
# fsadm -F vxfs /u94
largefiles
Add largefiles option to the list of vxfs options in /etc/fstab:
dev/vg08/u94 /u94 vxfs delaylog,largefiles 0 2
You may need to remount the filesystem if is not an Online JFS or VxFS.
Internet Explorer Prints Blank Pages/Print Preview is Blank
by dervish on Jun.23, 2013, under Windows
Issue:
Internet Explorer prints blank pages.
Internet Exlorer print previews blank.
Fix:
As user (not systems admin account). Start with step 1, then continue on to the next steps if the previous step did not fix the issue.
1. mkdir %userprofile%\AppData\Local\Temp\Low
2. icacls %userprofile%\AppData\Local\Temp\Low /setintegritylevel low
3. Uncheck the checkbox beside Enable Protected Mode under Tools -> Security, and then restart Internet Explorer.
How to Enter Samsung Galaxy S4 Recovery Mode
by dervish on Jun.13, 2013, under Android
To enter Samsung Galaxy S4 recovery mode:
• Power off your device completely.
• Press and hold Volume Up, Home, and Power buttons simultaneously.
• Release the buttons when the phone’s screen displays
“RECOVERY BOOTING….” in upper left hand corner.
Tested on T-MOBILE Galaxy S4 SGH-M919 – Android 4.2.2