[linux-lvm] lv extend
James
james at fr.clara.net
Mon Feb 5 12:58:27 UTC 2001
It worked any way :-) Using e2fsadm. I succesfully resized my /home
But what about changing an important 'partition' like /usr ? Do I have to
do it with a rescue disk or something.
On Mon, 5 Feb 2001, S. Michael Denton wrote:
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> Yes, printing the informative message may be a good idea as long as
> it doesn't interfere with function (ie no 'hit enter to continue' or
> anything like that). :)
>
> On Monday, 05 February 2001 07:44, James [SMTP:james at fr.clara.net]
> wrote:
> >
> > Yes, I do have to agree. By reading the Doc I did quickly realize
> > my error. The idea of printing a message is not bad though.
> >
> >
> > On Mon, 5 Feb 2001, S. Michael Denton wrote:
> >
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> > > Speaking as one with extensive experience with LVM on nearly
> > > every major unix vendor, it is not a -problem- but more of a lack
> > > of knowledge on the user/administrator's part. As I recall, the
> > > documentation clearly notes that a filesystem that resides on an
> > > lv must be extended after extending the lv else the OS will not
> > > address the newly-allocated space. IMHO it would be a -very- bad
> > > idea to automatically run ext2resize as not everyone uses ext2 on
> > > lvm and I think repeated offers to ask if you want to resize this
> > > ext2
> > > filesystem (that perhaps isn't even a filesystem at all) would
> > > get terribly annoying and NT-ish. Also there's the issue with
> > > reduction... if you reduce an lv, LVM (linux LVM is not different
> > > than the other major unixes either) assumes that you have already
> > > reduced any filesystems, tablespaces, etc that might be using
> > > that space before you do the reduction. Automatic reduction of a
> > > filesystem can be extraordinarily dangerous.
> > >
> > > Perhaps as a compromise it could be a configuration flag in some
> > > lvm config file as to whether or not to automatically/offer
> > > to/never resize filesystems after extension/reduction.
> > >
> > > Just a thought...
> > >
> > > On Monday, 05 February 2001 07:25, James
> > > [SMTP:james at fr.clara.net] wrote:
> > > >
> > > > That would be great :-)
> > > >
> > > > On Mon, 5 Feb 2001, Tom Dawes-Gamble wrote:
> > > >
> > > > > Hi,
> > > > >
> > > > > This seems a Frequent problem we get it on HP-UX LVM too.
> > > > > People do an lvextend and then wonder why the filesystem has
> > > > > not grown to fill the lvol.
> > > > >
> > > > > Perhaps a message like.
> > > > >
> > > > > [root at ocalhost /root]# lvextend -l 256 /dev/vg01/lvol2
> > > > > lvextend -- extending logical volume "/dev/vg01/lvol2" to 1
> > > > > GB lvextend -- doing automatic backup of volume group "vg01"
> > > > > lvextend -- logical volume "/dev/vg01/lvol2" successfully
> > > > > extended
> > > > >
> > > > > Note: You need to run a resize utility such as ext2resize
> > > > > before the space is available in the file system.
> > > > >
> > > > > [root at localhost /root]#
> > > > >
> > > > > Or lvextend could check the mount table and offer to run
> > > > > ext2resize for you. If that seems like a neat idea I would
> > > > > be willing to write the code.
> > > > >
> > > > > Regards,
> > > > > Tom.
> > > > >
> > > > > >
> > > > > > James wrote:
> > > > > > >
> > > > > > > Hello
> > > > > > >
> > > > > > > Is it normal after growing an LV not to see the change
> > > > > > > with df -h ? But it can be seen with vgdisplay -v ?
> > > > > > Did you also resize the filesystem? df shows filesystem
> > > > > > sizes. If so, maybe a remount of the filesystem could help.
> > > > > >
> > > > > >
> > > > > > Bye...
> > > > > >
> > > > > > Dirk
> > > > > > --
> > > > > > Dirk Heinrichs | Tel: +49 (0)241 413 260
> > > > > > QIS Systemhaus GmbH | Fax: +49 (0)241 413 2640
> > > > > > Jülicher Str. 338b | Mail: heinrichs at qis-systemhaus.de
> > > > > > D-52070 Aachen | Web: http://www.qis-systemhaus.de
> > > > > > _______________________________________________
> > > > > > linux-lvm mailing list
> > > > > > linux-lvm at sistina.com
> > > > > > http://lists.sistina.com/mailman/listinfo/linux-lvm
> > > > > >
> > > > >
> > > > >
> > > > > --
> > > > > int/* PROCEDURE DIVISION.*>*/b,g,l,n='/'/'/'<<2;extern void
> > > > > printf();int main
> > > > > (int
> > > > > d,char**z){char*o,*c="%.9s%.7s%.7s\n";l=*(c+d+d)-*(c+d);g=*c-d
> > > > > -l;b =l+n++;
> > > > > o=" DISPLAY'tmdg at uksr' '.hp.com'
> > > > > *>"+g++;printf(c,o-b++,o+l,o);l=~++n;
> > > > > o=" DISPLAY'http://www.itrc.hp.com/'
> > > > > *>"+g++;printf(c,o-b++,o+l,o);exit();}
> > > > > _______________________________________________
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> > > > > http://lists.sistina.com/mailman/listinfo/linux-lvm
> > > > >
> > > >
> > > > _______________________________________________
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> > >
> > >
> > > Scott Denton
> > > smdenton at bellsouth.net
> > > EFnet Handle: SteelWyng
> > > ICQ UIN: 24149258
> > > AIM Screen Name: SteelWyng
> > >
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> > > _______________________________________________
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> > >
> >
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>
> Scott Denton
> smdenton at bellsouth.net
> EFnet Handle: SteelWyng
> ICQ UIN: 24149258
> AIM Screen Name: SteelWyng
>
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