root@testdb:/# sysdumpdev -l
primary /dev/lg_dumplv
secondary /dev/sysdumpnull
copy directory /var/adm/ras
forced copy flag TRUE
always allow dump FALSE
dump compression ON
type of dump traditional
root@testdb:/# sysdumpdev -P -p /dev/dumptest
primary /dev/dumptest
secondary /dev/sysdumpnull
copy directory /var/adm/ras
forced copy flag TRUE
always allow dump FALSE
dump compression ON
type of dump traditional
root@testdb:/# sysdumpdev -l
primary /dev/dumptest
secondary /dev/sysdumpnull
copy directory /var/adm/ras
forced copy flag TRUE
always allow dump FALSE
dump compression ON
type of dump traditional
root@testdb:/tmp/ibmsupt/dump# pwd
/tmp/ibmsupt/dump
root@testdb:/tmp/ibmsupt/dump#
root@testdb:/tmp/ibmsupt/dump# ls -al
total 295144
drwx------ 3 root system 4096 Sep 02 21:41 .
drwx------ 32 root system 4096 Sep 02 21:43 ..
drwx------ 2 root system 4096 Sep 02 21:41 autoload
-rw------- 1 root system 134017536 Sep 02 21:41 dump.BZ
-rw------- 1 root system 784 Sep 02 21:41 dump.snap
lrwxrwxrwx 1 root system 6 Sep 02 21:41 errdead -> kdb_64
lrwxrwxrwx 1 root system 6 Sep 02 21:41 kdb -> kdb_64
-r-xr-xr-x 1 bin bin 8250096 Feb 04 2013 kdb_64
lrwxrwxrwx 1 root system 6 Sep 02 21:41 livedumpdead -> kdb_64
-rw------- 1 root system 18433 Sep 02 21:41 mdmprpt.out
-rw------- 1 root system 2197 Sep 02 17:04 minidump_last
lrwxrwxrwx 1 root system 6 Sep 02 21:41 trcdead -> kdb_64
-rw------- 1 root system 8797164 Sep 02 21:41 unix.Z
oot@testdb:/tmp/ibmsupt/dump# kdb dump.BZ
dump.BZ mapped from @ a00000000000000 to @ a00000007fcf200
The dump appears to be compressed.
It needs to be uncompressed with the dmpuncompress command before running kdb
dump: A file cannot be larger than the value set by ulimit.
dmpuncompress: A file cannot be larger than the value set by ulimit.
Error writing to the dump file.
Check that the ulimit value for the filesystem is set high enough.
Check that the filesystem has large file support enabled.
Run dmpuncompress -p <filename> to preserve the partially
uncompressed dump.
dump: A file cannot be larger than the value set by ulimit
root@testdb:/tmp/ibmsupt# cd dump
root@testdb:/tmp/ibmsupt/dump# ls -l
total 295128
drwx------ 2 root system 4096 Sep 02 21:41 autoload
-rw------- 1 root system 134017536 Sep 02 21:41 dump.BZ
-rw------- 1 root system 784 Sep 02 21:41 dump.snap
lrwxrwxrwx 1 root system 6 Sep 02 21:41 errdead -> kdb_64
lrwxrwxrwx 1 root system 6 Sep 02 21:41 kdb -> kdb_64
-r-xr-xr-x 1 bin bin 8250096 Feb 04 2013 kdb_64
lrwxrwxrwx 1 root system 6 Sep 02 21:41 livedumpdead -> kdb_64
-rw------- 1 root system 18433 Sep 02 21:41 mdmprpt.out
-rw------- 1 root system 2197 Sep 02 17:04 minidump_last
lrwxrwxrwx 1 root system 6 Sep 02 21:41 trcdead -> kdb_64
-rw------- 1 root system 8797164 Sep 02 21:41 unix.Z
root@testdb:/tmp/ibmsupt/dump# dmpuncompress dump.BZ
-- replaced with dump
root@testdb:/tmp/ibmsupt/dump# ls -l
total 2200792
drwx------ 2 root system 4096 Sep 02 21:41 autoload
-rw------- 1 root system 1109719634 Sep 02 21:41 dump
-rw------- 1 root system 784 Sep 02 21:41 dump.snap
lrwxrwxrwx 1 root system 6 Sep 02 21:41 errdead -> kdb_64
lrwxrwxrwx 1 root system 6 Sep 02 21:41 kdb -> kdb_64
-r-xr-xr-x 1 bin bin 8250096 Feb 04 2013 kdb_64
lrwxrwxrwx 1 root system 6 Sep 02 21:41 livedumpdead -> kdb_64
-rw------- 1 root system 18433 Sep 02 21:41 mdmprpt.out
-rw------- 1 root system 2197 Sep 02 17:04 minidump_last
lrwxrwxrwx 1 root system 6 Sep 02 21:41 trcdead -> kdb_64
-rw------- 1 root system 8797164 Sep 02 21:41 unix.Z
root@testdb:/tmp/ibmsupt/dump# kdb dump /unix
dump mapped from @ a00000000000000 to @ a0000004224fa52
START END <name>
0000000000001000 00000000058A0000 start+000FD8
F00000002FF47600 F00000002FFDF9C8 __ublock+000000
000000002FF22FF4 000000002FF22FF8 environ+000000
000000002FF22FF8 000000002FF22FFC errno+000000
F1000F0A00000000 F1000F0A10000000 pvproc+000000
F1000F0A10000000 F1000F0A18000000 pvthread+000000
Dump analysis on CHRP_SMP_PCI POWER_PC POWER_5 machine with 8 available CPU(s) (64-bit registers)
Processing symbol table...
.......................done
read vscsi_scsi_ptrs OK, ptr = 0x0
(0)> //在此执行子命令
(0)> h //输入命令h 提供Help,查看所有子命令
CMD ALIAS ALIAS FUNCTION ARG
*** end-user ***
h ? help help [topic]
set setup display/update kdb toggles [toggle]
varset alias define a user variable var value
varlist list user variables
varrm unalias remove user variable var
his hi hist print history [?][count]
! shell escape command
phyp phyp escape command
*** leaving ***
e q g exit [dump]
*** changing context ***
sw switch switch to thread [th {slot/eaddr} | {u/k}]
cpu switch to cpu [cpu number | any]
runcpu run command on all CPUs cmd
context ctx switch to KDB context [cpu number]
*** calculator/converter ***
(0)> more (^C to quit) ?