var partition is too small
rehsack at liwing.de
Fri Oct 3 07:49:42 PDT 2003
Redmond Militante wrote:
[message edited because of top-posted]
> [Fri, Oct 03, 2003 at 02:27:00PM +0000]
> This one time, at band camp, Jens Rehsack said:
>>Redmond Militante wrote:
>>>the var partition on my apache box may be too small.
>>>this is a problem because -
>>>i originally had newsyslog set at
>>>/var/log/httpd-access.log 644 7 100 24 B
>>>which sets httpd-access.log to be rotated in binary format everytime it
>>>reaches 100 mb or once every hour for 24 hours.
>>>which basically means we only archive less than a day's worth of
>>>httpd-access.log's on this machine...
>>>the /var partition on this machine is 252 mb.
>>Looks like sysinstalls defaults.
>>Maybe this should be fixed some fine day :-)
>>>yesterday i was told asked to start archiving httpd-access.logs for
>>>analysis over longer periods of time - that i should be keeping a year's
>>>worth of logs, if possible. i remember the original reason i set up
>>>newsyslog.conf to rotate httpd-access.logs on this machine so frequently
>>>is because the webserver is really busy, and this file tends to grow
>>>pretty rapidly, and i didn't want to have to log in, stop apache, and
>>>archive the logs by hand every day...
>>>yesterday i looked into expanding the size of my /var partition by
>>>-drop to single user mode
>>>-mv /var to /usr/var
>>>-delete /var directory
>>>-create symlink from /usr/var to /var
>>That's really bad, because this means that there will be permanent
>>write accesses to you /usr label.
>>A better way could be a cron job which moves the old http-logs
>>once a day into a place in /usr, eg. /usr/save-logs.
>>>it seems easy, and i did it successfully once, but i hosed a
>>>(non)production box yesterday practicing the above procedure.
>>>i have a number of questions:
>>>-if i copy the contents of /var to /usr/var, then delete the var
>>>directory, do i need to modify my fstab?
>>If you've done it as described, that would be better.
>>But I think you should re-think about the procedure.
>>>my fstab right now looks like
>>>/dev/aacd0s1g /usr ufs rw 2 2
>>>/dev/aacd0s1e /var ufs rw 2 2
>>>-do i need to modify this so that /var now points to a directory inside
>>>/usr? and how?
>>>-i'm thinking that this may be too risky a procedure to try on a
>>>production box (i guess i'm spooked from ruining the practice box...) -
>>>anyone think i should just archive these logs by hand to someplace in my
>>>home directory (/usr is very large on this box - 65 gb - and hardly used)?
>>>my goal is basically to keep an archive of httpd-access.logs for as long
>>>as possible to produce a comprehensive webalizer report...
> a cron job that moves httpd-access.logs to an archive directory sounds
> like a fine idea - is it safe, though to move these logs while apache
> and syslogd are running? or would the cron job need to stop those
> apps first, move the logs, then restart apache/syslogd?
Nope, you should move the newsyslog-compressed ones. You can either
renumber them using ports/sysutils/mmv or add a time-stamp to the
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