root@lion:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/pve--vg-root
442G 550M 419G 1% /
i dont know if its normal but things are confusing me a bit. i have
working space of 442G used 550MB and available 419MB there almost
22GB is missing.
please help.
Thanks,
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08-08-2012, 12:14 PM
Darac Marjal
Debian showing less RAM
On Wed, Aug 08, 2012 at 03:52:49PM +0500, Muhammad Yousuf Khan wrote:
> i am using debian 6.0.4. i have 8GB of ram installed in a server 2GB x
> 4. bios also shows 8 GB.
>
> however top only shows 2gb or RAM
>
> top - 15:48:29 up 16 min, 1 user, load average: 0.00, 0.01, 0.00
> Tasks: 90 total, 1 running, 89 sleeping, 0 stopped, 0 zombie
> Cpu(s): 0.0%us, 0.1%sy, 0.0%ni, 99.6%id, 0.3%wa, 0.0%hi, 0.0%si, 0.0%st
> Mem: 2273280k total, 79768k used, 2193512k free, 2292k buffers
> Swap: 15623088k total, 0k used, 15623088k free, 45456k cached
What kernel are you using? Either you have one that isn't enable to see
the extra ram or, as has happened on the list in the past, you have bad
modules
>
> Secondly.........
>
> root@lion:~# df -h
> Filesystem Size Used Avail Use% Mounted on
> /dev/mapper/pve--vg-root
> 442G 550M 419G 1% /
>
> i dont know if its normal but things are confusing me a bit. i have
> working space of 442G used 550MB and available 419MB there almost
> 22GB is missing.
5% of 442GB = 22.2GB. So that's your "reserved" portion.
08-08-2012, 12:18 PM
Muhammad Yousuf Khan
Debian showing less RAM
i was using i686 kernel now i just updated amd64 it worked
aptitude install linux-image-2.6-amd64
but my second question about disk space is still a confusiong. please help
On Wed, Aug 8, 2012 at 3:52 PM, Muhammad Yousuf Khan <sirtcp@gmail.com> wrote:
> i am using debian 6.0.4. i have 8GB of ram installed in a server 2GB x
> 4. bios also shows 8 GB.
>
> however top only shows 2gb or RAM
>
> top - 15:48:29 up 16 min, 1 user, load average: 0.00, 0.01, 0.00
> Tasks: 90 total, 1 running, 89 sleeping, 0 stopped, 0 zombie
> Cpu(s): 0.0%us, 0.1%sy, 0.0%ni, 99.6%id, 0.3%wa, 0.0%hi, 0.0%si, 0.0%st
> Mem: 2273280k total, 79768k used, 2193512k free, 2292k buffers
> Swap: 15623088k total, 0k used, 15623088k free, 45456k cached
>
>
> root@lion:~# free
> total used free shared buffers cached
> Mem: 2273280 79768 2193512 0 2292 45456
> -/+ buffers/cache: 32020 2241260
> Swap: 15623088 0 15623088
>
>
> Secondly.........
>
> root@lion:~# df -h
> Filesystem Size Used Avail Use% Mounted on
> /dev/mapper/pve--vg-root
> 442G 550M 419G 1% /
>
> i dont know if its normal but things are confusing me a bit. i have
> working space of 442G used 550MB and available 419MB there almost
> 22GB is missing.
>
> please help.
>
> Thanks,
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08-08-2012, 12:20 PM
Muhammad Yousuf Khan
Debian showing less RAM
On Wed, Aug 8, 2012 at 5:14 PM, Darac Marjal <mailinglist@darac.org.uk> wrote:
> On Wed, Aug 08, 2012 at 03:52:49PM +0500, Muhammad Yousuf Khan wrote:
>> i am using debian 6.0.4. i have 8GB of ram installed in a server 2GB x
>> 4. bios also shows 8 GB.
>>
>> however top only shows 2gb or RAM
>>
>> top - 15:48:29 up 16 min, 1 user, load average: 0.00, 0.01, 0.00
>> Tasks: 90 total, 1 running, 89 sleeping, 0 stopped, 0 zombie
>> Cpu(s): 0.0%us, 0.1%sy, 0.0%ni, 99.6%id, 0.3%wa, 0.0%hi, 0.0%si, 0.0%st
>> Mem: 2273280k total, 79768k used, 2193512k free, 2292k buffers
>> Swap: 15623088k total, 0k used, 15623088k free, 45456k cached
>
> What kernel are you using? Either you have one that isn't enable to see
> the extra ram or, as has happened on the list in the past, you have bad
> modules
>
Thanks ....... kernel was the problem.
>>
>> Secondly.........
>>
>> root@lion:~# df -h
>> Filesystem Size Used Avail Use% Mounted on
>> /dev/mapper/pve--vg-root
>> 442G 550M 419G 1% /
>>
>> i dont know if its normal but things are confusing me a bit. i have
>> working space of 442G used 550MB and available 419MB there almost
>> 22GB is missing.
>
> 5% of 442GB = 22.2GB. So that's your "reserved" portion.
>
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08-08-2012, 12:26 PM
Darac Marjal
Debian showing less RAM
On Wed, Aug 08, 2012 at 05:18:18PM +0500, Muhammad Yousuf Khan wrote:
> i was using i686 kernel now i just updated amd64 it worked
> aptitude install linux-image-2.6-amd64
>
> root@lion:~# free
> total used free shared buffers cached
> Mem: 8134920 83372 8051548 0 2272 17392
> -/+ buffers/cache: 63708 8071212
> Swap: 15623088 0 15623088
>
> but my second question about disk space is still a confusiong. please help
Many Linux file systems (ext2/3/4, definitely. I'm not sure about
others), reserve 5% of the space for root. That means that when the disk
is showing 100% full, root can still, say, compress a run-away log file
and then delete it.
You can either live with that safety net, or use a tool such as tune2fs
to adjust it.
>
>
>
> On Wed, Aug 8, 2012 at 3:52 PM, Muhammad Yousuf Khan <sirtcp@gmail.com> wrote:
> > i am using debian 6.0.4. i have 8GB of ram installed in a server 2GB x
> > 4. bios also shows 8 GB.
> >
> > however top only shows 2gb or RAM
> >
> > top - 15:48:29 up 16 min, 1 user, load average: 0.00, 0.01, 0.00
> > Tasks: 90 total, 1 running, 89 sleeping, 0 stopped, 0 zombie
> > Cpu(s): 0.0%us, 0.1%sy, 0.0%ni, 99.6%id, 0.3%wa, 0.0%hi, 0.0%si, 0.0%st
> > Mem: 2273280k total, 79768k used, 2193512k free, 2292k buffers
> > Swap: 15623088k total, 0k used, 15623088k free, 45456k cached
> >
> >
> > root@lion:~# free
> > total used free shared buffers cached
> > Mem: 2273280 79768 2193512 0 2292 45456
> > -/+ buffers/cache: 32020 2241260
> > Swap: 15623088 0 15623088
> >
> >
> > Secondly.........
> >
> > root@lion:~# df -h
> > Filesystem Size Used Avail Use% Mounted on
> > /dev/mapper/pve--vg-root
> > 442G 550M 419G 1% /
> >
> > i dont know if its normal but things are confusing me a bit. i have
> > working space of 442G used 550MB and available 419MB there almost
> > 22GB is missing.
> >
> > please help.
> >
> > Thanks,
>
>
> --
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>
08-08-2012, 12:29 PM
Muhammad Yousuf Khan
Debian showing less RAM
On Wed, Aug 8, 2012 at 5:26 PM, Darac Marjal <mailinglist@darac.org.uk> wrote:
> On Wed, Aug 08, 2012 at 05:18:18PM +0500, Muhammad Yousuf Khan wrote:
>> i was using i686 kernel now i just updated amd64 it worked
>> aptitude install linux-image-2.6-amd64
>>
>> root@lion:~# free
>> total used free shared buffers cached
>> Mem: 8134920 83372 8051548 0 2272 17392
>> -/+ buffers/cache: 63708 8071212
>> Swap: 15623088 0 15623088
>>
>> but my second question about disk space is still a confusiong. please help
>
> Many Linux file systems (ext2/3/4, definitely. I'm not sure about
> others), reserve 5% of the space for root. That means that when the disk
> is showing 100% full, root can still, say, compress a run-away log file
> and then delete it.
>
> You can either live with that safety net, or use a tool such as tune2fs
> to adjust it.
>
Thanks it worked
tune2fs -m 2 /dev/mapper/pve--vg-root
>>
>>
>>
>> On Wed, Aug 8, 2012 at 3:52 PM, Muhammad Yousuf Khan <sirtcp@gmail.com> wrote:
>> > i am using debian 6.0.4. i have 8GB of ram installed in a server 2GB x
>> > 4. bios also shows 8 GB.
>> >
>> > however top only shows 2gb or RAM
>> >
>> > top - 15:48:29 up 16 min, 1 user, load average: 0.00, 0.01, 0.00
>> > Tasks: 90 total, 1 running, 89 sleeping, 0 stopped, 0 zombie
>> > Cpu(s): 0.0%us, 0.1%sy, 0.0%ni, 99.6%id, 0.3%wa, 0.0%hi, 0.0%si, 0.0%st
>> > Mem: 2273280k total, 79768k used, 2193512k free, 2292k buffers
>> > Swap: 15623088k total, 0k used, 15623088k free, 45456k cached
>> >
>> >
>> > root@lion:~# free
>> > total used free shared buffers cached
>> > Mem: 2273280 79768 2193512 0 2292 45456
>> > -/+ buffers/cache: 32020 2241260
>> > Swap: 15623088 0 15623088
>> >
>> >
>> > Secondly.........
>> >
>> > root@lion:~# df -h
>> > Filesystem Size Used Avail Use% Mounted on
>> > /dev/mapper/pve--vg-root
>> > 442G 550M 419G 1% /
>> >
>> > i dont know if its normal but things are confusing me a bit. i have
>> > working space of 442G used 550MB and available 419MB there almost
>> > 22GB is missing.
>> >
>> > please help.
>> >
>> > Thanks,
>>
>>
>> --
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>>
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08-08-2012, 07:57 PM
Martin Steigerwald
Debian showing less RAM
Am Mittwoch, 8. August 2012 schrieb Muhammad Yousuf Khan:
> i was using i686 kernel now i just updated amd64 it worked
> aptitude install linux-image-2.6-amd64
>
> root@lion:~# free
> total used free shared buffers
> cached Mem: 8134920 83372 8051548 0 2272
> 17392 -/+ buffers/cache: 63708 8071212
> Swap: 15623088 0 15623088
Do you have 32-bit user space? "file /bin/ls" tells for example
Using a 64-Bit kernel with 32-bit user space can create problems. I had it
once that X.org with Intel drivers tended to crash badly which was gone
after I switched to a 32-bit kernel again.
So I suggest you either use 32-bit bigmem kernel or reinstall with 64-bit.
IŽd recommend the second option considering that your machine has 8 GiB.
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08-09-2012, 09:27 AM
Muhammad Yousuf Khan
Debian showing less RAM
On Thu, Aug 9, 2012 at 12:57 AM, Martin Steigerwald <Martin@lichtvoll.de> wrote:
> Am Mittwoch, 8. August 2012 schrieb Muhammad Yousuf Khan:
>> i was using i686 kernel now i just updated amd64 it worked
>> aptitude install linux-image-2.6-amd64
>>
>> root@lion:~# free
>> total used free shared buffers
>> cached Mem: 8134920 83372 8051548 0 2272
>> 17392 -/+ buffers/cache: 63708 8071212
>> Swap: 15623088 0 15623088
>
> Do you have 32-bit user space? "file /bin/ls" tells for example
>
> Using a 64-Bit kernel with 32-bit user space can create problems. I had it
> once that X.org with Intel drivers tended to crash badly which was gone
> after I switched to a 32-bit kernel again.
>
> So I suggest you either use 32-bit bigmem kernel or reinstall with 64-bit.
> IŽd recommend the second option considering that your machine has 8 GiB.
>
thanks for sharing your experience, i am doing it right aways since i
can not take any risk becuase this system will be put in production.
Thanks.......................
> --
> Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
> GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
>
>
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Debian showing less RAM
