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Daniel Hokka Zakrisson a écrit :
> Herbert Poetzl wrote:
>> On Mon, Jan 01, 2007 at 02:05:30PM +0100, william Famy wrote:
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>>> To begin with Happy new year to every vserver guy.
>>
>> and a happy new year to you too ...
>>
>>> I have to extand the shmmax for my guest but I do not manage to do it.
>>>
>>> cat /proc/sys/kernel/shmmax
>>> 134217728
>>> I have tried the /etc/vserver/host/rlimits
>>> I have tried to add bcapability
>>> but I do not manage to go ahead with it.
>>>
>>> I've run under 2.6.19.1 with the last devel vserver patch under debian
>>> etch as host.
>>>
>>> Could somebody tell me how to modify the guest config to execute "echo
>>> 134217728 /proc/sys/kernel/shmmax " for my guest.
>>
>> as 2.6.19.x incorporates the mainline namespace
>> stuff, you have to set those values from one of
>> the early guest startup script (e.g. prepre-start)
>> while you still have 'enough' capabilities ...
>
> I assume this requires the IPC namespace to be created? That doesn't
> happen until the context is created, so none of the scripts would work
> for this particular problem. Having a non-executable one that does
> something like
> VSERVER_EXTRA_CMDS=( $_CHAINECHO /proc/sys/kernel/shmmax 134217728 )
> is probably the only way to make it happen (with current tools).
____________________________________________
[wf:]
I try the prepre-start but does not work.
vserver-stat
CTX PROC VSZ RSS userTIME sysTIME UPTIME NAME
0 69 211.3M 62.2M 0m06s98 0m04s69 6m15s90 root server
49152 16 194M 30.5M 0m00s80 0m00s30 0m31s99 zm4
___________________________
cat /etc/vservers/zm4/bcapabilities
CAP_SYS_RESOURCE
CAP_SYS_ADMIN
CAP_IPC_LOCK
CAP_IPC_OWNER
__________________________
ls /etc/vservers/zm4/rlimits/
as rss shmem
___________________________
cat /etc/vservers/zm4/rlimits/a
cat /etc/vservers/zm4/rlimits/as
90000
cat /etc/vservers/zm4/rlimits/rss
10000
cat /etc/vservers/zm4/rlimits/shmem
134217728
___________________________
cat /proc/virtual/49153/nsproxy
NSProxy: c9d27fe0 [c5fba740,cbbf8800,cab7bbc0]
Namespace: c5fba740 [#2]
RootPath: /
SysName: Linux
NodeName: zm4
Release: 2.6.19.1-vs2.1.1.7.1
Version: #1 Fri Dec 29 10:53:07 CET 2006
Machine: i686
DomainName: (none)
SEMS: 250 32000 32 128 0
MSG: 8192 16384 16
SHM: 33554432 2097152 4096 181
cat /proc/virtual/49153/limit
Limit current min/max soft/hard hits
PROC: 24 0/ 27 -1/ -1
0
VM: 49660 0/ 51941 90000/ 90000
0
VML: 0 0/ 0 -1/ -1
0
RSS: 7812 0/ 8496 10000/ 10000
0
ANON: 4544 0/ 4730 -1/ -1
0
RMAP: 3268 0/ 3796 -1/ -1
0
FILES: 212 0/ 255 -1/ -1
0
OFD: 152 0/ 152 -1/ -1
0
LOCKS: 2 0/ 2 -1/ -1
0
SOCK: 7 0/ 7 -1/ -1
0
MSGQ: 0 0/ 0 -1/ -1
0
SHM: 181 0/ 181 134217728/134217728
0
SEMA: 0 0/ 0 -1/ -1
0
SEMS: 0 0/ 0 -1/ -1
0
DENT: 153 0/ 154 -1/ -1
0
I try number of combinaison but nothing looks great :-(.
I have to contact the tool maintainers. I will do it tomorow.
regards.
If someone have any idea feel free to send them :-).
I have to install my soft under the hosts computer instead of the guest.
>
>> also using the sysctl interface instead of the
>> deprecated procfs one (which might as well be
>> hidden away :) is advised ...
>>
>> maybe special tool support will be added soon,
>> so please double check with the tool maintainers
>
> I guess some nicer way to support it would be required, especially as
> more of these settings become available.
>
>> HTH,
>> Herbert
>>
>>> Thanks for any help.
>
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