No swap being used

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No swap being used

No swap being used

2006-01-12 - By William Warren

Back

Reply: 1 2 3 4 5 6 7 8 9 10 >>

From what i see there swap is enabled and turned on. Frankly you
really don't want to use swap as that would only exacerbate the problem.
Look elsewhere for the issue. Do you have a disk issue?

Jeff Macfarland wrote:
> Sun V20z, RHEL 3u5, i386 kernel, 12GB RAM, 12GB swap
>
> This box hosts quite a few things, among them serving SunRay's. We've
> been experiencing horrible slowdowns particularly during a cvs checkout.
> Just noticed that NO swap is being used:
>
> output of `free`:
>
> total used free shared buffers cached
> Mem: 12277844 12036764 241080 0 1333552 7502204
> -/+ buffers/cache: 3201008 9076836
> Swap: 12578704 0 12578704
>
> `swapon -s`:
>
> Filename Type Size Used Priority
> /dev/sda2 partition 2096472 0 -1
> /dev/sda3 partition 2096472 0 -2
> /dev/sda5 partition 2096440 0 -3
> /dev/sda6 partition 2096440 0 -4
> /dev/sda7 partition 2096440 0 -5
> /dev/sda8 partition 2096440 0 -6
>
> `dmesg`:
> ...
> Adding Swap: 2096472k swap-space (priority -1)
> Adding Swap: 2096472k swap-space (priority -2)
> Adding Swap: 2096440k swap-space (priority -3)
> Adding Swap: 2096440k swap-space (priority -4)
> Adding Swap: 2096440k swap-space (priority -5)
> Adding Swap: 2096440k swap-space (priority -6)
> ...
>
> `grep swap /etc/fstab`:
> /dev/sda2 swap swap defaults 0 0
> /dev/sda3 swap swap defaults 0 0
> /dev/sda5 swap swap defaults 0 0
> /dev/sda6 swap swap defaults 0 0
> /dev/sda7 swap swap defaults 0 0
> /dev/sda8 swap swap defaults 0 0
>
> Doing `mkswap /dev/sda2; swapon -s` has no effect.
>
> Is there some secret setting to enable swap?
>

--
My "Foundation" verse:
Isa 54:17 No weapon that is formed against thee shall prosper; and
every tongue that shall rise against thee in judgment thou shalt
condemn. This is the heritage of the servants of the LORD, and their
righteousness is of me, saith the LORD.

-- carpe ductum -- "Grab the tape"
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