system crash dump system panic̳ bad trap ȴ
, system crash dump ý ġ Ͽ ˴ϴ.
1] H/W fail Ͽ ý
- ý CPU fail Ͽ μ ý ڵ Ǹ, ̶ CPU μ Ͽ ̸ "CPU PANIC" θ.
2] ý μ
- OS H/W Ǹ ϴ S/W Դϴ. ̷ S/W پ ,
̷ ɵ ϴ α ý μ մϴ. ̷ ý μ ߸(Fail) CPU ٸ μ鿡 ȴٸ ý TASK ˴ϴ. ̷ ý Hang-Up Ͼ ְ, ̳ ° Ǿ ֽϴ. ̷ ý ũ(crash) Ǿٰ ǥ ϰ , ũ Ǿ crash dump մϴ.ó cash dump H/W ü ϴ Ͻø ϴ. Solaris ̷ crash dump ý ڰ ֵ dumpadm ̶ ɾ
/etc/dumpadm.conf ϰ ֽϴ.
core dump
ýۿ ϴ μ Ͽ ش μ ᰡ ش μ ¿ ؼ core ˴ϴ. ó core dump ýۿ process鿡 Ͽ Ȳ ľϱ Ͽ ˴ϴ. αӵ鿡 ؼ м DZ .
Ϲδ crash / core dump ǹ̷ κ ϰ .
, crash dump H/W OS , core dump Ϲ process ϱ Ͽ Ǿ ϴ. ý Ͼ鵵 ̷ о ý crash dump Ǿµ core dump ǥ ϱ մϴ. core Ǿ core dump ± core dump crash dump ̰ ֽϴ.
/var/crash/'hostname'/ <----
/etc/dumpadm.conf <--- dumpadm
[øɾ]
#dumpadm : ǥ
ɼ -n : save core directory ʴ´(Ȱȭ)
-u : /etc/dumpadm.conf ؼ Ʈ
-y : save core directory ϰڴ(Ȱȭ)
-c content-type : κ dump Ұ (kernel, all, curproc)
-m mnk : ּҿ뷮Ȯ ex) -m 1000k -> 뷮 1000k ԵǸ dump ʰڴ
-m minm : ްƮ
-m min% : ۼƮ
-r root-dir : root directory
-s savecore-dir : save core dir
* reboot -d : ϴµ (save core enabled : yes Ǿ )
*iscda : м ũƮ
ec) iscda unix.0 vmcore.0 > /test/iscda.log -> мؼ /test/iscda.logϿ
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