Thread (21 messages) 21 messages, 10 authors, 2012-10-01

Re: creating a new 80 TB XFS

From: Martin Steigerwald <hidden>
Date: 2012-02-24 16:20:27

Am Freitag, 24. Februar 2012 schrieb Richard Ems:
quoted
quoted
MOUNT
On mount I will use the options

mount -o noatime,nobarrier,nofail,logbufs=8,logbsize=256k,inode64
/dev/sdX1 /mount_point


I think that the logbufs/logbsize option matches the default here.
Use delaylog if applicable. See the xfs FAQ.
Yes, if I trust the mount manual page, it states "The default value is
8 buffers for any recent kernel." . I suppose 3.2.6 is "a recent
kernel", so this could be avoided, but having it explicitly on the
mkfs.xfs line does not hurt, or?
And for logbsize: "The default value for any recent kernel is 32768."

But then at the end of the manual page for mount it says "December
2004", so how actual is this information? Can the default mount values
be shown by running mount with some verbose and dry-run parameters?
Does cat /proc/mounts show them? /proc/mounts is more detailed than mount 
or mount -l.

Ciao,
-- 
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7

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