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05-24-2012 08:33 PM
05-24-2012 08:33 PM
Unable to start Sybase after extending /va
Hi Guru's,
I've been experiencing some issues starting up Sybase in HP-UX 11i v3 Superdome server. It has been working fine until I extended my /var from 5GB to 8GB. Since I didn't have OnlineJFS to do it, I went into single user mode to extend my /var.
I was able to extend it successfully and booted up my machine to normal mode. There are two noticeable weird things occured after bootup.
1. Most of the sybase owned related files changed its permission from "sybase:sybase" to "sybase:106"
2. I can no longer start-up my Sybase database and have the following error:
$ startserver -f RUN_CCBDB_SDS
$ 00:0000:00000:00000:2012/05/25 10:56:44.22 kernel SySAM: Using licenses from:
/home/appl/sybase/server1570
/SYSAM-2_0/licenses/CCBDPD02_201109090334.lic:/home/appl/sybase/server1570/SYSAM-2_0/license
/SYBASE_ASE_DE.lic
00:0000:00000:00000:2012/05/25 10:56:44.31 kernel SySAM: Checked out license for 12
ASE_CORE
(2012.03310/permanent/16C4 B52E 13F3 857C).
00:0000:00000:00000:2012/05/25 10:56:44.31 kernel This product is licensed to: GLOBE TELECOM
INC.
00:0000:00000:00000:2012/05/25 10:56:44.31 kernel Checked out license ASE_CORE
00:0000:00000:00000:2012/05/25 10:56:44.31 kernel Adaptive Server Enterprise (Enterprise
Edition)
00:0000:00000:00000:2012/05/25 10:56:44.32 kernel Using config area from primary master
device.
00:0000:00000:00000:2012/05/25 10:56:44.36 kernel os_create_region: can't allocate
32275791872 bytes
00:0000:00000:00000:2012/05/25 10:56:44.36 kernel kbcreate: couldn't create kernel region.
00:0000:00000:00000:2012/05/25 10:56:44.36 kernel kistartup: could not create shared memory
I already changed the permissions of all sybase related files back to "sybase:sybase" but this very same error occurs each and every time I am attempting to startup my Sybase database.
I dont know why all of a sudden that my Sybae database can't get a hold of the memory it needs to start since it can previously.
I am also not sure how extending a /var filesystem would affect it.
I have basically done my research. Some are suggesting that I should edit my /etc/setprivgrp file and set the privelege for sybase. However prior to my miseries I was able to startup sybase without this file being configured.
Currently here's the swapinfo output from my server
# swapinfo -tam
Mb Mb Mb PCT START/ Mb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 18432 0 18432 0% 0 - 1 /dev/vg00/lvol2
reserve - 874 -874
memory 34007 4086 29921 12%
total 52439 4960 47479 9% - 0 -
#
# ipcs -a
IPC status from /dev/kmem as of Fri May 25 11:30:43 2012
Message Queue facility not in system.
T ID KEY MODE OWNER GROUP CREATOR CGROUP NATTCH SEGSZ CPID LPID ATIME DTIME CTIME
Shared Memory:
m 0 0x411c06cb --rw-rw-rw- root root root root 0 348 1863 1863 9:57:19 9:57:19 9:57:14
m 1 0x4e0c0002 --rw-rw-rw- root root root root 2 61760 1863 27943 11:03:25 11:16:31 9:57:14
m 2 0x41207b21 --rw-rw-rw- root root root root 1 8192 1863 1875 9:57:17 9:57:14 9:57:14
m 3 0x00a5c581 --rw------- sfmdb users sfmdb users 9 10469376 2704 2704 9:57:43 no-entry 9:57:43
m 4 0x411c14fa --rw------- root root root root 1 4096 2911 3529 9:58:35 no-entry 9:58:35
m 5 0x4914b784 --rw-r--r-- root root root root 0 22912 2991 2992 9:58:19 9:58:19 9:58:19
m 7 0x0000cace --rw-rw-rw- root root root root 0 2 3509 3509 11:30:38 11:30:38 9:58:34
Top output (memory part)
System Page Size: 16Kbytes
Memory: 416400K (209216K) real, 835824K (383152K) virtual, 30142176K free Page# 1/547
Kernel Param Values:
shmmax = 51539607552
semmni = 8192
semmns =16000
Need your urgent advice on this and badly need your help. :)
Thanks in advance.
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05-25-2012 04:25 AM
05-25-2012 04:25 AM
Re: Unable to start Sybase after extending /va
Hi:
Mount FS with "largefile" option.
mount /dev/vgxxx/lvyyyyyyyyy -o largefiles /var/zzzzzzzzzz
rgs,
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05-25-2012 06:41 AM
05-25-2012 06:41 AM
Re: Unable to start Sybase after extending /va
How much RAM do you have in this server?
Have you changed the amount that Sybase is trying to allocate? According to this message:
kernel os_create_region: can't allocate 32275791872 bytes
You are trying to allocate 32 GB. Do you have enough free RAM for that?