segmentation fault when running /home/oracle/product/CRS/root.sh for CRS on Linux (RAC install with iSCSI and raw devices)
- From: "oracleracnoob" <ejohnson@xxxxxxxxxxxxx>
- Date: 13 Jun 2006 11:23:48 -0700
Hello List Members -
(Please tell me if I'm in the wrong list and let me know if there's a
better list for this question).
I am new at installing and configuring RAC but at least somewhat
familiar with Linux. However, I am not a programmer of any kind. I
have followed all Oracle's recommendation for Linux RAC nodes (Disk,
RAM, CPU, etc). The OSes for the nodes (and the filer) are CentOS4.2
with linux kernels 2.6.9-34.0.1.EL and 2.6.9-34.0.1.ELsmp (tried both
the SMP kernel and non SMP) My machines have 2Gb of swap and 1Gb of RAM
(odd, I know).
The problem I am having is when installing RAC in a two node cluster
with iscsi-target and cisco's initiatiors. I can read/write to the raw
devices (as oracle user) /dev/raw/raw1 (OCR 150mb) and /dev/raw/raw2
(Voting Disk 20Mb) via the "dd" command.
When I run /home/oracle/product/CRS/root.sh which calls
/home/oracle/product/CRS/install/rootinstall
and
/home/oracle/product/CRS/install/rootconfig I ultimately get a seg
fault.
After looking closer, the seg fault comes when the rootconfig script
calls /home/oracle/product/CRS/bin/clscfg
I'm at a loss on this one. There's no error other than "Segmentation
fault" at STDERR
Below are the last few lines (I can include a whole trace upon request)
of an 'strace /home/oracle/product/CRS/bin/clscfg'
#### STRACE SNIPPED #######
pread64(4, "", 512, 157270016) = 0
pread64(4, "ol\220W\235\272\266\243ZLK\316\220;\2067\213N\320\257J"...,
512, 157261824) = 512
pread64(4,
"\305\353\242=\10\255?\251\31n^\261V\204}8\210T\375\31\247"..., 512,
157265920) = 512
pread64(4, "\31\215\367( \207*\215:\225\t
\332\24\350\257\243\270\t"..., 512, 157267968) = 512
pread64(4,
")\30(\273\244tL\275\357\303\210\304VU)\27J_\357\256.T\210"..., 512,
157268992) = 512
pread64(4,
"\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
157269504) = 512
pread64(4,
"\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
157269504) = 512
pread64(4,
"\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
157269504) = 512
pread64(4,
"\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
157269504) = 512
pread64(4,
"\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
157269504) = 512
pread64(4,
"\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
157269504) = 512
pread64(4,
"\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
157269504) = 512
pread64(4,
"\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
157269504) = 512
pread64(4,
"\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
157269504) = 512
pread64(4,
"\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
157269504) = 512
open("/etc/oracle/ocr.loc", O_RDONLY) = 5
fstat64(5, {st_mode=S_IFREG|0644, st_size=44, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0xb6100000
read(5, "ocrconfig_loc=/dev/raw/raw1\nloca"..., 4096) = 44
read(5, "", 4096) = 0
close(5) = 0
munmap(0xb6100000, 4096) = 0
pread64(4, "\1\202\363/\35\0\0\0\4\0\2\0OCR\0\214\364\310\32\0\0\0"...,
4096, 102400) = 4096
pread64(4, "\1\202\363/\35\0\0\0\4\0\2\0OCR\0\214\364\310\32\0\0\0"...,
4096, 102400) = 4096
pread64(4,
"\1\202@/\36\0\0\0\4\0\2\0OCR\0\214\364\310\32\0\0\0\0\0"..., 4096,
106496) = 4096
pread64(4, "\1\202\363/\35\0\0\0\4\0\2\0OCR\0\214\364\310\32\0\0\0"...,
4096, 102400) = 4096
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++
Process 3715 detached
#### END STRACE #######
Any help is much appreciated!
Thanks
-Erik
.
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