Posts Tagged ‘storage’

How to analyze Oracle Solaris OS crash dump


In this topic I will provide information how to generate Oracle Solaris OS crash dump report using Solaris Crash Analyzer Tool.


Here I will provide information how to find out root cause of Oracle Solaris OS crash dump reboot or hung up.

If your system properly installed and configured according EIS (Enterprise Installation Standard) – then you dump

device must be configured as separated raw disk and must have size at least more than installed physical memory

on the server. In most system the dump device is the same swap device. If your system is frame based and installed memory

is more than 320GB ( SAS disk) – then you need assign to the system dedicated dump device no less thane size of physical

memory. Otherwise – in time when system will go to crash dump, the memory state will fully dumped to the dump device

and you will lose last memory snapshot to make root cause analyze of system crash.

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Oracle Solaris. How-to migrate Data from storage luns in ZPOOL


In this article I will provide solution – How to migrate data between different storage luns in-range one ZFS POOL in Solaris 10.

 

Let take example – we have next ZFS POOL grid:

root@solaris10 # zpool status grid
pool: grid
state: ONLINE
scrub: none requested
config:

NAME STATE READ WRITE CKSUM
grid ONLINE 0 0 0
c14t60060E800428E400000028E40000010Cd0 ONLINE 0 0 0
c14t60060E800428E400000028E400000111d0 ONLINE 0 0 0
c14t60060E800428E400000028E400000113d0 ONLINE 0 0 0
c14t60060E800428E400000028E400000115d0 ONLINE 0 0 0
c14t60060E800428E400000028E400000117d0 ONLINE 0 0 0
c14t60060E800428E400000028E40000053Ed0 ONLINE 0 0 0
c14t60060E800428E400000028E400000536d0 ONLINE 0 0 0
c14t60060E800428E400000028E400000539d0 ONLINE 0 0 0
c14t60060E800428E400000028E400000547d0 ONLINE 0 0 0
c14t60060E800428E400000028E400000548d0 ONLINE 0 0 0

errors: No known data errors
root@solaris10 #

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