[DRBD-user] tough mount problem in fstab, help!
P.Holzleitner at unido.org
Thu Aug 26 22:20:11 CEST 2004
Uh-oh ... why on earth would you remove the /var mount?
Remember that in unix/Linux, you attach a filesystem (such as the one
you will create on /dev/nb0 to hold your web data) on top of a directory
in the existing file system tree. Normally, that existing directory
(the "mount point") is empty, but it does not have to be; if it isn't,
its contents will simply be invisible and inaccessible as long as the
new filesystem is mounted on top of it.
This is fairly basic Unix stuff BTW ... you may want to look at
something like http://www.tldp.org/LDP/sag/ for added enlightenment.
From: flyneo at cogeco.ca [mailto:flyneo at cogeco.ca]
Sent: Thursday, August 26, 2004 9:38 PM
To: drbd-user at linbit.com
Subject: [DRBD-user] tough mount problem in fstab, help!
I am trying to build up a cluster system.
'/var/www' is the only directory in '/var' that I want to duplicate
through drbd. Other directories in '/var' should be
remained unchanged. My question is:
1. I should add such line in fstab:
/dev/nb0 /var/www defaults,noauto 0 0
, but should I remove the old line:
LABEL=/var /var ext3 defaults 1 2
2. If remove the old line, many other services will stop working on the
slave machine since they access the /var which
is not mounted. And the rc.sysint script, which is excuted at system
startup to clean some useless content in /var, will
also fail at startup.
my filesystem is like
/dev/hda1 5036284 155612 4624840 4% /
/dev/hda2 8064304 33404 7621244 1% /home
none 240704 0 240704 0% /dev/shm
/dev/hda3 8064304 4649048 3005600 61% /usr
/dev/hda6 169110972 293432 160227188 1% /var
Thanks a lot!
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