On 09/22/2009 08:32 AM, malahal@us.ibm.com wrote:
Hugh [whobedobe@dodo.com.au] wrote:
Scanning for physical volume names
PV VG Fmt Attr PSize PFree DevSize PV UUID
/dev/sdb2 VolGroup00 lvm2 a- 67.91G 20.00G 47.93G eCuGyH-jV7L-Tgdg-JyYW-
sWK1-ehZY-OLw0WS
DevSize is smaller than PSize!
Exactly what I was saying, yes PFree is indicating +'ve 20GB free, not
-'ve 20GB Free. Looks at the very least like a bug in pvsc -v
I am guessing that my gui tool system-config-lvm uses the lvs PFree
value to suggest that it can expand an lv into pv free space. But if
this value was correct (ie showing as negative), then maybe it wouldn't
suggest that there is pv free space, and then fail inexplicably when the
user attempts to use some of that "anti-free" space ?
As well as displaying "-" space free, it might make sense for the tool
to suggest there is something wrong with the setup, since the printed
values don't actually make any sense (eg like assert (pvsize - pvusage)
<> pvfree) to push the admin to see the problem.
DaveT.
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