How to confirm the mksysb backup is good for restore in aix?
Being
as a system admin, many times we are dealing with mksysb backup. We need to
take the mksysb backup before we are doing any maintenance activity.
If you executing the mksysb backup, then you can able to identify
whether the mksysb is successfully taken or not by the output of the mksysb
command. In case, someone already taken the mksysb or script taken the mksysb,
in this case you really should not know the mksysb backup is successfully taken
or not.
Actually speaking, There is no true verification of the
“restorability” of a mksysb other than actually restoring it. Taking
precautions such as understanding the flags used for the creation of the
mksysb, checking your error report for any serious disk related errors before
running the mksysb, and verifying the readability of the mksysb after creation
are all good checks.
listvgbackup -f
<mksysb_name>
#listvgbackup
–f /tmp/mksysb_tst01
once
you execute the command, It will list out a long output, dont panic.if you get
the prompt (#) then we can confirm that the mksysb is backed up successfully
without any issues.
Any errors that occur while reading the headers of any of the files will be displayed, otherwise only the initial backup header information will be displayed. Keep in mind that this check tests the readability of the data only, not the writeability.
Any errors that occur while reading the headers of any of the files will be displayed, otherwise only the initial backup header information will be displayed. Keep in mind that this check tests the readability of the data only, not the writeability.
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