Shed. wrote:
Gene Smith wrote:

Yes, but that is not really my question. Let me rephrase:
Here is my typical df output again.

Filesystem           1k-blocks      Used Available Use% Mounted on
/dev/root                 6144      5196       948  85% /
tmpfs                    15256        16     15240   0% /tmp
tmpfs                     2048      1056       992  52% /var/log

The 1K-blocks add to approximately 24M. I have 32M of physical ram on my system. Where is the remaining 8M?

Also, the documentation states:
"syst_size= Defines the size of the TMPFS filesystem. Default= 6M"

I am using the default.

The 1k-blocks labeled "tmpfs" add to approximately 17M, while the /dev/root file system is about 6M. Should the documentation read:
"syst_size= Defines the size of the /dev/root filesystem. Default= 6M"
-gene


Gene, I am not 100% sure that the docs is clear on this setting (syst_size). I have a similar setup to your, 32M of physical ram. Too utilize my ram made these changes 2 1/2 years ago.
sys
initrd=initrd.lrp syst_size=8M log_size=16M init=/linuxrc


# df -k
Filesystem           1k-blocks      Used Available Use% Mounted on
/dev/root                 8192      5240      2952  64% /
tmpfs                    15300        12     15288   0% /tmp
tmpfs                    16384      1496     14888   9% /var/log

# uptime
 10:29pm  up 22 days, 15:19, load average: 0.00, 0.00, 0.00

A little overkill on /var/log but it helps when debugging.

Hope this answers your question. Shed.

Shed. thanks for sharing your configuration. Interesting that your blocks add to about 40M on a 32M system. I guess the tmpfs is also somehow related to virtual memory (VM) as described here: http://www-106.ibm.com/developerworks/library/l-fs3.html
Anyhow, I also increased my / and /var/log similar to yours. Qmail working fine now too.
-gene






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