Bug 497396 - lvcreate man page is missing "--type" documentation
lvcreate man page is missing "--type" documentation
Product: Fedora
Classification: Fedora
Component: lvm2 (Show other bugs)
All Linux
low Severity low
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Assigned To: Mike Snitzer
Fedora Extras Quality Assurance
Depends On:
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Reported: 2009-04-23 14:12 EDT by Stephen Tweedie
Modified: 2011-02-09 17:05 EST (History)
9 users (show)

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Doc Type: Bug Fix
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Last Closed: 2011-02-09 17:05:29 EST
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Description Stephen Tweedie 2009-04-23 14:12:18 EDT
Description of problem:
"lvcreate --type" is not documented.

It turns out to be rather useful to use "--type zero", especially in conjunction with snapshots, but although lvcreate --help mentions --type, "man lvcreate" is silent on the topic.

Version-Release number of selected component (if applicable):
Comment 1 Bug Zapper 2009-11-18 07:50:44 EST
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Comment 2 Bug Zapper 2010-03-15 08:33:20 EDT
This bug appears to have been reported against 'rawhide' during the Fedora 13 development cycle.
Changing version to '13'.

More information and reason for this action is here:
Comment 3 Mike Snitzer 2010-06-02 18:04:29 EDT
lvm2 2.02.67 will document --type for lvcreate.

The only other command that takes --type is lvresize.  But the utility of lvresize --type is unclear given the code simply verifies that the specified type matches the LV's existing segment type.  I need to understand what the point of lvresize --type is before I can document it.
Comment 4 Mike Snitzer 2010-06-03 10:21:29 EDT
Setting MODIFIED.  (lvextend, via common _lvresize(), doesn't support mixed segment types so documenting --type for that command is not yet meaningful).

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