Re: [linux-lvm] Pvmove fails... No free PE's (and lvextend does not work...)

["Heinz J . Mauelshagen" <mauelshagen@sistina.com>]

Hmmm,
we didn't talk about versions.
Which Linux/LVM version are you using?

Another point (assuming that you might siffer from an old OBO error):
does the extent still fail with less than 1221 extents?

Regards,
Heinz    -- The LVM Guy --

On Wed, Jan 16, 2002 at 10:28:39PM +0100, Anders Widman wrote:
> Well... here is what the problem is right now.:
> 
> First I scan all physical disks to determine where I have free space to grow..
> 
> 
> pvscan -- reading all physical volumes (this may take a while...)
> pvscan -- ACTIVE   PV "/dev/hdo1" of VG "Server" [55.84 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdp1" of VG "Server" [28.56 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdm1" of VG "Server" [76.28 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdn1" of VG "Server" [76.28 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdk1" of VG "Server" [38.12 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdl1" of VG "Server" [55.84 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdg1" of VG "Server" [55.88 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdh1" of VG "Server" [55.88 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hde1" of VG "Server" [114.44 GB / 38.16 GB free]
> pvscan -- ACTIVE   PV "/dev/hdf1" of VG "Server" [57.22 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdc1" of VG "Server" [71.53 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdd1" of VG "Server" [71.53 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdb1" of VG "Server" [4.28 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdb3" of VG "Server" [52.88 GB / 0 free]
> pvscan -- total: 14 [815.29 GB] / in use: 14 [815.29 GB] / in no VG: 0 [0]
> 
> --- Volume group ---
> VG Name               Server
> VG Access             read/write
> VG Status             available/resizable
> VG #                  0
> MAX LV                256
> Cur LV                1
> Open LV               1
> MAX LV Size           1.00 TB
> Max PV                256
> Cur PV                14
> Act PV                14
> VG Size               814.56 GB
> PE Size               32.00 MB
> Total PE              26066
> Alloc PE / Size       24845 / 776.41 GB
> Free  PE / Size       1221 / 38.16 GB
> VG UUID               ElJLCd-ln4W-k3YA-yg8W-HmVU-gs0O-mcR0pA
> 
> --- Physical volume ---
> PV Name               /dev/hde1
> VG Name               Server
> PV Size               114.50 GB / NOT usable 62.91 MB [LVM: 142.00 KB]
> PV#                   13
> PV Status             available
> Allocatable           yes
> Cur LV                1
> PE Size (KByte)       32768
> Total PE              3662
> Free PE               1221
> Allocated PE          2441
> PV UUID               7ScWsg-0vX4-ccX3-W1sO-mFnz-0Sl0-gDWKmM
> 
> -----------------------------------------------------------------------
> 
> 
> Now I use "lvextend -l +1221 /dev/Server/FTPRoot /dev/hde1" to grow my LV "FTPRoot". It worked fine on my new disk (to wich I also moved the old PE's from the bad disk), but not on this one. What 
> can be the problem. Where should I even begin to look?
> 
> lvextend -- extending logical volume "/dev/Server/FTPRoot" to 814.56 GB
> lvextend -- not enough free/allocatable physical extents to extend logical volume /dev/Server/FTPRoot
> 
> Thanks for any help!
> 
> //Anders
> 
> 
> 2002-01-16 19:28:03, Anders Widman <andewid@tnonline.net> wrote:
> 
> >No, my LV is not striped, so this should have worked. Well.. I have bought another disk and will move all pe's to that one instead. Hopefully this will work better.
> >
> >//Anders
> >
> >2002-01-16 16:08:44, "Heinz J . Mauelshagen" <mauelshagen@sistina.com> wrote:
> >
> >>
> >>Anders,
> >>
> >>is your LV striped? In this case, pvmove complains because it can't
> >>move 2 stripes onto one PV.
> >>
> >>If so, you need another disk to be pvcreated/vgextend to your VG in order
> >>to pvmove data over.
> >>
> >>On Wed, Jan 16, 2002 at 07:52:18AM +0100, Anders Widman wrote:
> >>> I have a bad disk (hdl1) that needs to be replaced. It is 40GB, or 1220 PE's. I have another disk which is about 120GB, but has 1221 free PE's. Both disks are in the same VG, Server and the same LV, 
> >>> FTPRoot. When I try "pvmove -v /dev/hdl1" it failes (doesn't even start, really) and tells me I haven't any free PE's.
> >>> 
> >>> What can I have missed...
> >>> 
> >>> 1) I shrick the filesystem first with about 60GB
> >>> 2) I use lvreduce to shrick the LV with about 59GB
> >>> 3) I tried "pvmove -v /dev/hdl" to move all PE's on this 40GB disk to the free ones on the other disks. This should have worked, shoudln't it?
> >>> 
> >>> have I missed something critical?
> >>> 
> >>> //Anders
> >>> 
> >>> 
> >>> 
> >>> _______________________________________________
> >>> linux-lvm mailing list
> >>> linux-lvm@sistina.com
> >>> http://lists.sistina.com/mailman/listinfo/linux-lvm
> >>> read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html
> >>
> >>-- 
> >>
> >>Regards,
> >>Heinz    -- The LVM Guy --
> >>
> >>*** Software bugs are stupid.
> >>    Nevertheless it needs not so stupid people to solve them ***
> >>
> >>=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> >>
> >>Heinz Mauelshagen                                 Sistina Software Inc.
> >>Senior Consultant/Developer                       Am Sonnenhang 11
> >>                                                  56242 Marienrachdorf
> >>                                                  Germany
> >>Mauelshagen@Sistina.com                           +49 2626 141200
> >>                                                       FAX 924446
> >>=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> >>
> >>_______________________________________________
> >>linux-lvm mailing list
> >>linux-lvm@sistina.com
> >>http://lists.sistina.com/mailman/listinfo/linux-lvm
> >>read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html
> >>
> >>
> >
> >
> >
> >
> >_______________________________________________
> >linux-lvm mailing list
> >linux-lvm@sistina.com
> >http://lists.sistina.com/mailman/listinfo/linux-lvm
> >read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html
> >
> >
> 
> 
> 
> 
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@sistina.com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen@Sistina.com                           +49 2626 141200
                                                       FAX 924446
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-