Bug 128380 - pvcreate overwrites partition when wildcarding command line options
pvcreate overwrites partition when wildcarding command line options
Status: CLOSED DUPLICATE of bug 109887
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: lvm (Show other bugs)
All Linux
medium Severity high
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Assigned To: Heinz Mauelshagen
Brian Brock
Depends On:
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Reported: 2004-07-22 09:28 EDT by Dave Horner
Modified: 2007-11-30 17:07 EST (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2004-08-31 09:33:39 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Dave Horner 2004-07-22 09:28:10 EDT
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030922

Description of problem:
I came across this during RH300 training.

While initialising 4 partions using pvcreate I tried to cut corners by
instead of doing :

pvcreate /dev/hda9
pvcreate /dev/hda10
pvcreate /dev/hda11
pvcreate /dev/hda12

I attempted this instead:

pvcreate /dev/hda[9-12]

This then destroyed /dev/hda2 - without any warning (and it was
mounted on /usr !)

After rebuilding the system I repeated the issue using variations of
this command line.  Results below:

pvcreate /dev/hda[9-10]
[root@station1 RPMS]# pvcreate /dev/hda[9-10]
pvcreate -- invalid physical volume name "/dev/hda[9-10]"

pvcreate /dev/hda[9-11] destroyed /dev/hda1
pvcreate /dev/hda[9-12] destroyed /dev/hda2

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
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Actual Results:  shown in description

Expected Results:  shown in description

Additional info:

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Comment 1 Alasdair Kergon 2004-08-12 12:17:04 EDT
Always use 'echo' to check how the shell will expand what you type:
  echo pvcreate /dev/hda[9-11]
  pvcreate /dev/hda1

To understand this, read the man page for your shell eg the 'Pattern
Matching' section of 'man bash'.

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