From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (ext-mx16.extmail.prod.ext.phx2.redhat.com [10.5.110.21]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id r620E8YZ004010 for ; Mon, 1 Jul 2013 20:14:08 -0400 Received: from mail-la0-f45.google.com (mail-la0-f45.google.com [209.85.215.45]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r620E2HB024298 for ; Mon, 1 Jul 2013 20:14:03 -0400 Received: by mail-la0-f45.google.com with SMTP id fr10so5020108lab.4 for ; Mon, 01 Jul 2013 17:14:02 -0700 (PDT) MIME-Version: 1.0 Date: Tue, 2 Jul 2013 02:14:01 +0200 Message-ID: From: Alessandro MACUZ Content-Type: multipart/alternative; boundary=001a1133c690e5dac504e07c38f5 Subject: [linux-lvm] I can't have the mirror_log mirrored, LVM complains "there is no suitable space" Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: To: LVM general discussion and development --001a1133c690e5dac504e07c38f5 Content-Type: text/plain; charset=ISO-8859-1 The process here below is self-explanatory of what happens. Starting with one volume (on /dev/sda1) I'd like to mirror it on /dev/sdb1 and having the mirror_log mirrored as well. Though I think there is plenty of PE I get the error message Insufficient suitable allocatable extents for logical volume : 1536 more required Unable to allocate extents for mirror(s). I mean the mirror_log is one PE, i.e. 4 Megabytes... Why "*lvconvert -i 5 -m1 --mirrorlog mirrored /dev/lvgrptstnlvm/root /dev/sdb1*" doesn't work whereas "*lvconvert -m1 /dev/lvgrptstnlvm/root /dev/sdb1*" does? The space to be allocated differs by just one PE. I'm using Knoppix to fix a system due to other problems, I have noticed there was a (human) design problem with LVM and I want to achieve the goal of one volume mirrored in 2 parts and 2 mirrors logs each on one disk. Thanks, Alex ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ *root@Microknoppix:/home/knoppix# lvs -a -o +devices,lv_size* LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert Devices LSize root lvgrptstnlvm mwi-aom- 6.00g root_mlog 100.00 root_mimage_0(0),root_mimage_1(0) 6.00g [root_mimage_0] lvgrptstnlvm iwi-aom- 6.00g /dev/sda1(0) 6.00g [root_mimage_1] lvgrptstnlvm iwi-aom- 6.00g /dev/sdb1(0) 6.00g [root_mlog] lvgrptstnlvm lwi-aom- 4.00m /dev/sdb1(1536) 4.00m * * *root@Microknoppix:/home/knoppix# pvs -v -o +pv_pe_count,pv_pe_alloc_count* Scanning for physical volume names PV VG Fmt Attr PSize PFree DevSize PV UUID PE Alloc /dev/sda1 lvgrptstnlvm lvm2 a-- 9.00g 3.00g 9.00g 5h4peZ-7SVd-MKrH-IQNJ-UACQ-mM7Q-6CVeo5 2303 1536 /dev/sdb1 lvgrptstnlvm lvm2 a-- 7.07g 1.06g 9.00g VlGEw0-JaqC-THbz-G4mv-yHq5-9Y80-N5ANNQ 1809 1537 * * *root@Microknoppix:/home/knoppix# lvs -a -o +devices,lv_size* LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert Devices LSize root lvgrptstnlvm mwi-aom- 6.00g root_mlog 100.00 root_mimage_0(0),root_mimage_1(0) 6.00g [root_mimage_0] lvgrptstnlvm iwi-aom- 6.00g /dev/sda1(0) 6.00g [root_mimage_1] lvgrptstnlvm iwi-aom- 6.00g /dev/sdb1(0) 6.00g [root_mlog] lvgrptstnlvm lwi-aom- 4.00m /dev/sdb1(1536) 4.00m * * *root@Microknoppix:/home/knoppix# lvconvert -m0 /dev/lvgrptstnlvm/root /dev/sdb1* /sbin/dmeventd: stat failed: No such file or directory Logical volume root converted. * * *root@Microknoppix:/home/knoppix# lvconvert -i 5 -m1 --mirrorlog mirrored /dev/lvgrptstnlvm/root /dev/sdb1* Insufficient suitable allocatable extents for logical volume : 1536 more required Unable to allocate extents for mirror(s). * * *root@Microknoppix:/home/knoppix# lvconvert -m1 /dev/lvgrptstnlvm/root /dev/sdb1* lvgrptstnlvm/root: Converted: 0.5% [...SKIP...] lvgrptstnlvm/root: Converted: 100.0% * * *root@Microknoppix:/home/knoppix# lvs -a -o +devices,lv_size* LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert Devices LSize root lvgrptstnlvm mwi-aom- 6.00g root_mlog 100.00 root_mimage_0(0),root_mimage_1(0) 6.00g [root_mimage_0] lvgrptstnlvm iwi-aom- 6.00g /dev/sda1(0) 6.00g [root_mimage_1] lvgrptstnlvm iwi-aom- 6.00g /dev/sdb1(0) 6.00g [root_mlog] lvgrptstnlvm lwi-aom- 4.00m /dev/sdb1(1536) 4.00m * * *root@Microknoppix:/home/knoppix# pvs -v -o +pv_pe_count,pv_pe_alloc_count* Scanning for physical volume names PV VG Fmt Attr PSize PFree DevSize PV UUID PE Alloc /dev/sda1 lvgrptstnlvm lvm2 a-- 9.00g 3.00g 9.00g 5h4peZ-7SVd-MKrH-IQNJ-UACQ-mM7Q-6CVeo5 2303 1536 /dev/sdb1 lvgrptstnlvm lvm2 a-- 7.07g 1.06g 9.00g VlGEw0-JaqC-THbz-G4mv-yHq5-9Y80-N5ANNQ 1809 1537 * * *root@Microknoppix:/home/knoppix#* --001a1133c690e5dac504e07c38f5 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

The= process here below is self-explanatory of what happens.


<= span lang=3D"EN-GB">Starting with one volume (on /dev/sda1) I'd like to= mirror it on /dev/sdb1 and having the mirror_log mirrored as well.<= /p>


Though I think there is plenty of PE I get the = error message


=A0 Insufficient suitable alloc= atable extents for logical volume : 1536 more required

=A0 Unable to allocate extents for mirr= or(s).


I mean the mirror_log is one PE, i.e. 4 Megabyt= es...


=

Why "lvconvert -i 5 -m1 --mirrorlog mirrored /= dev/lvgrptstnlvm/root /dev/sdb1" doesn't work whereas <= br>

"lvconvert -m1 /= dev/lvgrptstnlvm/root /dev/sdb1" does? The space to be allo= cated differs by just one PE.


I'm using Kno= ppix to fix a system due to other problems, I have noticed there was a (hum= an) design problem with LVM and I want to achieve the goal of one volume mi= rrored in 2 parts and 2 mirrors logs each on one disk.


Thanks,


Alex


~~~~~~~~~~= ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


root@Microkn= oppix:/home/knoppix# lvs -a -o +devices,lv_size

=A0 LV=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VG=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= Attr=A0=A0=A0=A0 LSize Pool Origin Data%=A0 Move=20 Log=A0=A0=A0=A0=A0=A0 Copy%=A0 Convert Devices=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 LSize

=A0 root=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 lvgrptstnlvm mwi-aom- 6.00g=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=20 root_mlog 100.00=A0=A0=A0=A0=A0=A0=A0=A0 root_mimage_0(0),root_mimage_1(0) = 6.00g

=A0 [root_mimage_0] lvgrptstnlvm iwi-aom-=20 6.00g=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=20 /dev/sda1(0)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= 6.00g

=A0 [root_mimage_1] lvgrptstnlvm iwi-aom-=20 6.00g=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=20 /dev/sdb1(0)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= 6.00g

=A0 [root_mlog]=A0=A0=A0=A0 lvgrptstnlvm lwi-aom-=20 4.00m=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=20 /dev/sdb1(1536)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 4.00m=


root@Microknoppix:/home/kn= oppix# pvs -v -o +pv_pe_count,pv_pe_alloc_count

=A0=A0=A0 Scanning for physical= volume names

=A0 PV= =A0=A0=A0=A0=A0=A0=A0=A0 VG=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 Fmt=A0 Attr PSize= PFree DevSize PV UUID=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PE=A0=A0 Alloc

=A0 /dev/sda1=A0 lvgrptstnlvm l= vm2 a-- =A09.00g 3.00g=A0=A0 9.00g 5h4peZ-7SVd-MKrH-IQNJ-UACQ-mM7Q-6CVeo5 2= 303=A0 1536

=A0 /dev/= sdb1=A0 lvgrptstnlvm lvm2 a--=A0 7.07g 1.06g=A0=A0 9.00g VlGEw0-JaqC-THbz-G= 4mv-yHq5-9Y80-N5ANNQ 1809=A0 1537


root@Microknoppix:/home/knoppix# lvs= -a -o +devices,lv_size

=A0 LV=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VG=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= Attr=A0=A0=A0=A0 LSize Pool Origin Data%=A0 Move=20 Log=A0=A0=A0=A0=A0=A0 Copy%=A0 Convert Devices=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 LSize

=A0 root=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 lvgrptstnlvm mwi-aom- 6.00g=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=20 root_mlog 100.00=A0=A0=A0=A0=A0=A0=A0=A0 root_mimage_0(0),root_mimage_1(0) = 6.00g

=A0 [root_mimage_0] lvgrptstnlvm iwi-aom-=20 6.00g=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=20 /dev/sda1(0)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= 6.00g

=A0 [root_mimage_1] lvgrptstnlvm iwi-aom-=20 6.00g=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=20 /dev/sdb1(0)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= 6.00g

=A0 [root_mlog]=A0=A0=A0=A0 lvgrptstnlvm lwi-aom-=20 4.00m=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=20 /dev/sdb1(1536)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 4.00m=


root@Microknoppix:/home/kn= oppix# lvconvert -m0 /dev/lvgrptstnlvm/root /dev/sdb1

=A0 /sbin/dmeventd: stat failed= : No such file or directory

=A0 Logical volume root converted.

=

root@Microkno= ppix:/home/knoppix# lvconvert -i 5 -m1 --mirrorlog mirrored /dev/lvgrptstnl= vm/root /dev/sdb1

=A0 Insufficient suitable allocatable extents for logical volume : 1536 mo= re required

=A0 Unable to allocate extents = for mirror(s).

root@Microkn= oppix:/home/knoppix# lvconvert -m1 /dev/lvgrptstnlvm/root /dev/sdb1<= /b>

=A0 lvgrptstnlvm/root: Converte= d: 0.5%

[...SKIP...]<= br>

=A0 lvgrptstnlvm/root: Converted: 100.0%=


root@Microknoppix:/home/knoppix# lvs -a -o +devices,lv_size<= /span>

=A0 LV=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VG=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= Attr=A0=A0=A0=A0 LSize Pool Origin Data%=A0 Move=20 Log=A0=A0=A0=A0=A0=A0 Copy%=A0 Convert Devices=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 LSize

=A0 root=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 lvgrptstnlvm mwi-aom- 6.00g=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=20 root_mlog 100.00=A0=A0=A0=A0=A0=A0=A0=A0 root_mimage_0(0),root_mimage_1(0) = 6.00g

=A0 [root_mimage_0] lvgrptstnlvm iwi-aom-=20 6.00g=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=20 /dev/sda1(0)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= 6.00g

=A0 [root_mimage_1] lvgrptstnlvm iwi-aom-=20 6.00g=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=20 /dev/sdb1(0)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= 6.00g

=A0 [root_mlog]=A0=A0=A0=A0 lvgrptstnlvm lwi-aom-=20 4.00m=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=20 /dev/sdb1(1536)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 =A0=A0=A0=A0=A0=A0=A0=A04.00m=


root@Microknoppix:/home/kn= oppix# pvs -v -o +pv_pe_count,pv_pe_alloc_count

=A0=A0=A0 Scanning for physical= volume names

=A0 PV= =A0=A0=A0=A0=A0=A0=A0=A0 VG=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 Fmt=A0 Attr PSize= PFree DevSize PV UUID=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PE=A0=A0 Alloc

=A0 /dev/sda1=A0 lvgrptstnlvm l= vm2 a--=A0 9.00g 3.00g=A0=A0 9.00g 5h4peZ-7SVd-MKrH-IQNJ-UACQ-mM7Q-6CVeo5 2= 303=A0 1536

=A0 /dev/= sdb1=A0 lvgrptstnlvm lvm2 a--=A0 7.07g 1.06g=A0=A0 9.00g VlGEw0-JaqC-THbz-G= 4mv-yHq5-9Y80-N5ANNQ 1809=A0 1537


root@Microk= noppix:/home/knoppix#

--001a1133c690e5dac504e07c38f5--