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



This script did not output anything. Isn't the VGDA data in /etc/lvmconf/volumegroup.conf ?

//Anders

2002-01-18 11:40:02, "Heinz J . Mauelshagen" <mauelshagen sistina com> wrote:

>On Thu, Jan 17, 2002 at 10:18:39PM +0100, Anders Widman wrote:
>> I currently use RedHat 7.2 with kernel 2.4.18-4, but I have tested most kernel versions from 2.4.16. I am also using lvm 1.0.1.
>> 
>> I have tried to move all extents and just a few (or even one) extents with no luck... Could it be that this disk is 120GB (114,44) and there would be some problems with that?
>
>Hmmm.., shouldn't be the case.
>
>Could you send me all the metadata of your VG "server" attached in private email
>(mge sistina com) for further investigation?
>
>You can create the copies running this script:
>
>#!/bin/sh
>for d in $(pvscan|sed '/server1/!d;s!^.* PV "!!;s!" .*$!!'); do
>   dd if=$d of=$(basename $d).VGDA bs=1k count=512
>done
>
>Thanks,
>Heinz
>
>> 
>> //Anders
>> 
>> 
>> 2002-01-17 12:32:53, "Heinz J . Mauelshagen" <mauelshagen sistina com> wrote:
>> 
>> >
>> >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
>=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
>
>_______________________________________________
>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
>
>






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