Error message: ORA-27125: unable to create shared memory segment Linux-x86_

[Former Member]

Hi,

I am doing an installtion of SAP Netweaver 2004s SR3 on SusE Linux 11/Oracle 10.2

But i am facing the follow issue in Create Database phase of SAPInst.

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An error occurred while processing service SAP NetWeaver 7.0 Support Release 3 > SAP Systems > Oracle > Central System > Central System( Last error reported by the step :Caught ESAPinstException in Modulecall: ORA-27125: unable to create shared memory segment Linux-x86_64 Error: 1: Operation not permitted Disconnected

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Please help me to resolve the issue.

Thanks,

Nishitha

[Former Member]

Hi Ratnajit,

I am too facing the same error but my ORACLE is not starting,

Here are my results of following command:

cat /etc/sysctl.conf

# created by /sapmnt/pss-linux/scripts/sysctl.pl on Wed Oct 23 22:55:01 CEST 2013

fs.inotify.max_user_watches = 65536

kernel.randomize_va_space = 0

##kernel.sem = 1250 256000 100 8192

kernel.sysrq = 1

net.ipv4.conf.all.promote_secondaries = 1

net.ipv4.conf.all.rp_filter = 0

net.ipv4.conf.default.promote_secondaries = 1

net.ipv4.icmp_echo_ignore_broadcasts = 1

net.ipv4.neigh.default.gc_thresh1 = 256

net.ipv4.neigh.default.gc_thresh2 = 1024

net.ipv4.neigh.default.gc_thresh3 = 4096

net.ipv6.neigh.default.gc_thresh1 = 256

net.ipv6.neigh.default.gc_thresh2 = 1024

net.ipv6.neigh.default.gc_thresh3 = 4096

vm.max_map_count = 2000000

##########################################

# Modified for SAP on 2013-10-24 07:14:17 UTC

#kernel.shmall = 2097152

kernel.shmall = 16515072

# Modified for SAP on 2013-10-24 07:14:17 UTC

#kernel.shmmax = 2147483648

kernel.shmmax = 67645734912

kernel.shmmni = 4096

# semaphores: semmsl, semmns, semopm, semmni

kernel.sem = 250 32000 100 128

fs.file-max = 65536

net.ipv4.ip_local_port_range = 1024 65000

net.core.rmem_default = 262144

net.core.rmem_max = 262144

net.core.wmem_default = 262144

net.core.wmem_max = 262144

And here is mine Limit.conf File

cat /etc/security/limits.conf

#<domain>      <type>  <item>         <value>

#

#*               soft    core            0

#*               hard    rss             10000

#@student        hard    nproc           20

#@faculty        soft    nproc           20

#@faculty        hard    nproc           50

#ftp             hard    nproc           0

#@student        -       maxlogins       4

# Added for SAP on 2012-03-14 10:38:15 UTC

#@sapsys          soft    nofile          32800

#@sapsys          hard    nofile          32800

#@sdba            soft    nofile          32800

#@sdba            hard    nofile          32800

#@dba             soft    nofile          32800

#@dba             hard    nofile          32800

# End of file

# Added for SAP on 2013-10-24

#               soft    nproc   2047

#               hard    nproc   16384

#               soft    nofile  1024

#               hard    nofile  65536

#########################################

@sapsys                 soft   nofile          131072

@sapsys                 hard   nofile         131072

@sdba                  soft  nproc          131072

@sdba                  hard   nproc         131072

@dba                 soft    core           unlimited

@dba                 hard     core          unlimited

                  soft     memlock       50000000

                  hard     memlock       50000000

##########################################################

Here is mine   cat /proc/meminfo

MemTotal:       33015980 kB

MemFree:        29890028 kB

Buffers:           82588 kB

Cached:          1451480 kB

SwapCached:            0 kB

Active:          1920304 kB

Inactive:         749188 kB

Active(anon):    1136212 kB

Inactive(anon):    39128 kB

Active(file):     784092 kB

Inactive(file):   710060 kB

Unevictable:           0 kB

Mlocked:               0 kB

SwapTotal:      33553404 kB

SwapFree:       33553404 kB

Dirty:              1888 kB

Writeback:             0 kB

AnonPages:       1135436 kB

Mapped:           161144 kB

Shmem:             39928 kB

Slab:              84096 kB

SReclaimable:      44400 kB

SUnreclaim:        39696 kB

KernelStack:        2840 kB

PageTables:        10544 kB

NFS_Unstable:          0 kB

Bounce:                0 kB

WritebackTmp:          0 kB

CommitLimit:    50061392 kB

Committed_AS:    1364300 kB

VmallocTotal:   34359738367 kB

VmallocUsed:      342156 kB

VmallocChunk:   34359386308 kB

HardwareCorrupted:     0 kB

AnonHugePages:    622592 kB

HugePages_Total:       0

HugePages_Free:        0

HugePages_Rsvd:        0

HugePages_Surp:        0

Hugepagesize:       2048 kB

DirectMap4k:       67584 kB

DirectMap2M:    33486848 kB

Please let me know where i am going wrong.

Wat thing basically u check on /proc/meminfo command

Regards,
Dipak