Re: IpcMemoryCreate: shmget failed (Permission denied)

Try running "ipcclean". ISTR that working for me in a
similar situation.

--- Theuns <ftvo(at)webmail(dot)co(dot)za> wrote:
> When trying to start the postmaster after
> installation, I get this
> error :
>
> $ postmaster -D /usr/local/pgsql/data
> IpcMemoryCreate: shmget failed (Permission denied)
> key=5432001,
> size=1104896, permission=600
> This type of error is usually caused by an improper
> shared memory or System V IPC semaphore
> configuration.
> For more information, see the FAQ and
> platform-specific
> FAQ's in the source directory pgsql/doc or on our
> web site at http://www.postgresql.org.
> FATAL 1: ShmemCreate: cannot create region
>
> Checking the share memory status:
>
> $ ipcs -l
>
> ------ Shared Memory Limits --------
> max number of segments = 1024
> max seg size (kbytes) = 32768
> max total shared memory (kbytes) = 134217728
> min seg size (bytes) = 1
>
> Cgecking the shmmax configuration value :
>
> $ vi /proc/sys/kernel/shmmax
>
> 33554432
>
> Check hard disk space :
>
> $ df -vk
> Filesystem 1k-blocks Used Available
> Use% Mounted on
> /dev/hda6 4719972 4407656 72548
> 99% /
> /dev/hda1 69973 2476 63884
> 4% /boot
>
> I can not access the postrgresql mail list archives
> or subscribe to a
> list due to the hard disk failures they had
> encountered recently.
>
> I'm working on a Redhat Linux 7.0 (Guinness)
> Kernel 2.2.16-22 on an i686
>
> with the latest PostgreSQL version 7.3.3
>
> The machine has 128mb ram with a 4gb hard drive
>
> PS. I am not a Linux expert and have to get this
> working on my own so
> any help would be appreciated.
>
> Thanks
> Theuns
>
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