Skip to main content

Using Kfed utility for ASM

References-
1. How To Gather & Backup ASM/ACFS Metadata In A Formatted Manner version 10.1, 10.2, 11.1, 11.2 and 12.1? (Doc ID 470211.1)
2. SRDC - How To Collect The Required Information For Support To Validate & Troubleshoot ASM/ASMLIB Issues. (Doc ID 1678592.1)
Understanding kfed –
    kfed is an undocumented ASM utility that can be used to read and modify ASM metadata blocks. It is a standalone utility, independent of ASM instance, so it can be used with either mounted or dismounted disk groups. The most powerful kfed feature is its ability to fix corrupt ASM metadata.

Basic kfed command to get some information about your asm disk
Below command will read asm disk DATA1 and give you significant details about disk.
kfed read /dev/oracleasm/disks/DATA1 |egrep -i "kfdhdb.hdrsts|kfdhdb.dskname|kfdhdb.grpname|kfdhdb.fgname|kfdhdb.secsize|blksize|driver.provstr|kfdhdb.ausize"
Sample output –

Legend:
kfdhdb.hdrsts - Status of disk
kfdhdb.dskname - Name of the disk
kfdhdb.grpname - Name of disk group the disk belongs to
kfdhdb.fgname - Name of failure group the disk belongs to
kfdhdb.secsize - Sector size of disk
kfdhdb.blksize - Blocksize of disk
kfdhdb.driver.provstr - Provision string for use with asm
kfdhdb.ausize - AU size


Comments

Post a Comment

Popular posts from this blog

Logfile locations in EBS r12.1 and EBS r12.2

Startup/shutdown Apps tier services are started and stopped frequently and we must know logfiles when troubleshooting startup/shutdown issues. $INST_TOP/logs/appl/admin/log $INST_TOP/logs/appl/admin/log Apache OHS being part of opmn in r12.1 has continued in r12.2. Logfile locations for troubleshooting have been changed $INST_TOP/logs/ora/10.1.3/Apache/error_log[timestamp] $INST_TOP/logs/ora/10.1.3/opmn/HTTP_Server~1.log $IAS_ORACLE_HOME/instances/*/diagnostics/logs/OHS/*/*log*   OPMN Logfile locations for r12.1 and r12.2 have been changed $INST_TOP/logs/ora/10.1.3/opmn/opmn* $IAS_ORACLE_HOME/instances/*/diagnostics/logs/OPMN/opmn/* Oacore oacore in r12.1 is oc4j component and part of 10gAS. However, in r12.2, oacore is now a managed server for weblogic server $LOG_HOME/ora/10.1.3/j2ee/oacore/oacore*/ $LOG_HOME/ora/10.1.3/j2ee/oacore/oacore*/ $LOG_HOME/ora/10.1.3/opmn/oacore*/oacor...
1 comment
Read more

Query to Check AD and TXK code levels in your EBS environment

Below query can be very handy in finding out current AD and TXK code levels. col ABBREVIATION for a10 set lines 1000 col NAME for a50 col CODELEVEL for a20 SELECT ABBREVIATION,NAME,codelevel FROM AD_TRACKABLE_ENTITIES WHERE abbreviation in ('txk','ad'); ABBREVIATI NAME                                                CODELEVEL ---------- -------------------------------------------------- ------------ ad           Oracle Applications DBA                             C.11 txk         Oracle Applications Technology Stack    ...
2 comments
Read more

Query to fetch Function assigned to which responsibility

1. Check for which function needs to be assigned to which responsibility. 2. Check for responsibility's menu sytem administrator-> Secutiry -> responsibilty -> Define 3. Search for responsiblity (% Inventory User) 4. Get default Menu name and search for that menu System Administrator -> Application->Menu 5.Once you get Function name, go for function short name as follows - System Administrator -> Application->Function Enter Function Short code for below query SELECT frtl.responsibility_name,        fr.responsibility_key,        fm.menu_id,        fm.menu_name,        menu.function_id,        menu.prompt,        menu.grant_flag,        fffv.user_function_name,        fffv.function_name,      ...
Post a Comment
Read more