Hi !
We are slowly migrating services to our new cluster... We curently have an 8
node cluster with a 16 1tb disk enclosure in 7 x raid1 pairs, with 2 global
spares.
the first 2 arrays are in one vg, wich is in turn seperated in a 100 gig, a
300 and a 1tb lvs, all in gfs2.
I use the firts lv as a global utility partition where I put my developement
directories (source trees for apache, php, etc), and other binary utilities.
This partition is mounted all the time on all nodes (it's in /etc/fstab).
Now, if I connect to the first node, do some make distclean, ./configure,
make and make
install in on of my source directory, httpd for instance. The make distclean
for exemple takes about 30 seconds or so.
Now, I logout from the first node and I move to the next node where I need
to do such update, and go into the same directory and do the same thing. Now
it takes forever. I stoped after 3 or 4 minutes. There was no other node
useing that directory at that time.
Here's my fstab entry :
/dev/VGa/gfs /gfs gfs2 defaults,noatime,noquota 0 0
What can I do or what parameter can I tune to help improve this kind of
performance ?
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