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<tt>Thanks Suni, that makes sense. The largest number I may mount
concurrently is 12, I just went a bit bigger for "possible" growth.<br>
<br>
I appreciate the fast response.<br>
<br>
Jerry<br>
<br>
<br>
</tt><br>
Sunil Mushran wrote:
<blockquote
cite="mid:CAEeiSHX3D9pgY=gNY+r6SToxLptm10jy88HnY2-r91f=yhNjEA@mail.gmail.com"
type="cite">
<meta http-equiv="Content-Type" content="text/html; ">
<div dir="ltr">-N 16 means 16 journals. I think it defaults to 256M
journals. So that's 4G. Do you plan to mount it on 16 nodes? If not,
reduce that. Other options is a smaller journal. But you have to be
careful as a small journal could limit your write thruput.<br>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Mon, Apr 15, 2013 at 1:37 PM, Jerry Smith
<span dir="ltr"><<a moz-do-not-send="true"
href="mailto:jdsmit@sandia.gov" target="_blank">jdsmit@sandia.gov</a>></span>
wrote:<br>
<blockquote class="gmail_quote"
style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Good
afternoon,<br>
<br>
I have an OEL 6.3 box with a few ocfs2 mounts mounted locally, and was<br>
wondering what I should expect to lose via formatting etc from a disk<br>
usage standpoint.<br>
<br>
-bash-4.1$ df -h | grep ocfs2<br>
/dev/dm-15 12G 1.3G 11G 11% /ocfs2/redo0<br>
/dev/dm-13 120G 4.2G 116G 4% /ocfs2/software-master<br>
/dev/dm-10 48G 4.1G 44G 9% /ocfs2/arch0<br>
/dev/dm-14 2.5T 6.7G 2.5T 1% /ocfs2/ora01<br>
/dev/dm-11 1.5T 5.7G 1.5T 1% /ocfs2/ora02<br>
/dev/dm-17 100G 4.2G 96G 5% /ocfs2/ora03<br>
/dev/dm-12 200G 4.3G 196G 3% /ocfs2/ora04<br>
/dev/dm-16 3.0T 7.3G 3.0T 1% /ocfs2/orabak01<br>
-bash-4.1$<br>
<br>
<br>
For example ora04 is 196GB total, but with zero usage it shows 4.3GB
used:<br>
<br>
[root@oeldb10 ~]#df -h /ocfs2/ora04<br>
Filesystem Size Used Avail Use% Mounted on<br>
/dev/dm-12 200G 4.3G 196G 3% /ocfs2/ora04<br>
[root@oeldb10 ~]#find /ocfs2/ora04/ | wc -l<br>
3<br>
[root@oeldb10 ~]#find /ocfs2/ora04/ -exec du -sh {} \;<br>
0 /ocfs2/ora04/<br>
0 /ocfs2/ora04/lost+found<br>
0 /ocfs2/ora04/db66snlux<br>
<br>
<br>
Filesystems formatted via<br>
<br>
mkfs -t ocfs2 -N 16 --fs-features=xattr,local -L ${device} ${device}<br>
<br>
Mount options<br>
<br>
[root@oeldb10 ~]#mount |grep ora04<br>
/dev/dm-12 on /ocfs2/ora04 type ocfs2<br>
(rw,_netdev,nointr,user_xattr,heartbeat=none)<br>
<br>
Thanks,<br>
<br>
--Jerry<br>
<br>
<br>
<br>
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</blockquote>
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