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Home -> Community -> Mailing Lists -> Oracle-L -> RE: [Q] ORACLE 9.2 "SGA_MAX_size" cause SUN server crash ????
Not sure if this would help, but a paper presented at the recent Oracle World (Titled : Oracle9i Memory Mgmt: Easier Than Ever by Shushil Kumar of Oracle Corp) mentioned following:
"On Solaris, the _USE_ISM parameter is set to TRUE by default for performance reasons. On versions of Solaris with no DISM support, this causes locking of physical memory equal to the SGA_MAX_SIZE specification."
In a foot note the paper states:
DISM (dynamic intimate shared memory) is supported on Solaris 8 release date 01/01 or later. Sun also recommends installing the patch 108528-16 while using the dynamic SGA feature.
We do not have Oracle9i R2 on Sun Solaris 8, so I have not tested this. I just had the paper handy :)
HTH,
-----Original Message-----
Sent: Tuesday, December 03, 2002 4:09 PM
To: Multiple recipients of list ORACLE-L
Dist - It sounds like you are setting SGA_MAX_SIZE too large for the server
kernel. Try setting it smaller and see if the server is okay with that. If
this is true, then you may need to adjust some Solaris kernel parameters.
Dennis Williams
DBA, 40%OCP
Lifetouch, Inc.
dwilliams_at_lifetouch.com
-----Original Message-----
Sent: Tuesday, December 03, 2002 3:20 PM
To: Multiple recipients of list ORACLE-L
We are doing ORACLE 9.2.0.2 Enterprise Edition testing on SUN server (Solaris 8). Currently one problem happen. If I put "SGA_MAX_size" entry on init.ora file and restart database, the SUN server will crash and following messages on /var/adm/message file:
Dec 3 13:34:59 ISS unix: [ID 253085 kern.notice] NOTICE: hat_memload: unsupported flags 256 Dec 3 13:35:00 ISS unix: [ID 253085 kern.notice] NOTICE: hat_memload: unsupported flags 256
Dec 3 13:35:02 ISS last message repeated 9618 times Dec 3 13:35:03 ISS unix: [ID 836849 kern.notice] Dec 3 13:35:03 ISS ^Mpanic[cpu3]/thread=ffba0ac0: Dec 3 13:35:03 ISS unix: [ID 977504 kern.notice] invalid shared memoryl1 ptp
Dec 3 13:35:03 ISS genunix: [ID 733762 kern.notice] 2 Dec 3 13:35:03 ISS genunix: [ID 733762 kern.notice] 1 Dec 3 13:35:03 ISS last message repeated 19 times Dec 3 13:35:03 ISS genunix: [ID 616637 kern.notice] cannot sync --giving up
If I take out "SGA_MAX_size" entry from init.ora, the database run correctly. Does anyone knoe why SUN server crash?
Thanks.
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Author: dist cash
INET: mccdba_at_hotmail.com
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Author: Deshpande, Kirti
INET: kirti.deshpande_at_verizon.com
Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services ---------------------------------------------------------------------To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). Received on Tue Dec 03 2002 - 16:46:15 CST
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