Public bug reported:
The man page for lvextend gives these instructions for the -L option:
-L, --size [+]LogicalVolumeSize[bBsSkKmMgGtTpPeE]
Extend or set the logical volume size in units of megabytes. A
size suffix of M for megabytes, G for gigabytes, T for terabytes, P
for petabytes or E for exabytes is optional. With the + sign the
value is added to the actual size of the logical volume and without
it, the value is taken as an absolute one.
By megabyte, does the man page mean 1024 * 1024 bytes, or does it
1000000 bytes?
Let's look at lvs's man page:
--units hHbBsSkKmMgGtTpPeE
All sizes are output in these units: (h)uman-readable,
(b)ytes, (s)ectors, (k)ilobytes, (m)egabytes, (g)igabytes, (t)erabytes,
(p)etabytes, (e)xabytes. Capitalise to use multiples of 1000
(S.I.) instead of 1024. Can also specify custom units e.g. --units 3M
This is less confusing, but still so. Sure a lower-case b is a bit, and
an upper-case B is a byte? Surely k is a kibibyte, and K is a kilobyte?
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: lvm2 2.02.95-4ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
Uname: Linux 3.5.0-18-generic i686
ApportVersion: 2.6.1-0ubuntu6
Architecture: i386
Date: Tue Nov 27 16:32:59 2012
MarkForUpload: True
SourcePackage: lvm2
UpgradeStatus: Upgraded to quantal on 2012-10-18 (39 days ago)
** Affects: lvm2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 quantal running-unity units-policy
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https://bugs.launchpad.net/bugs/1083680
Title:
lvm man pages are confusing when it comes to units
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