What is the correct way to reuse an existing RAID/LVM configuration
Vratislav Podzimek
vpodzime at redhat.com
Wed Sep 4 07:26:53 UTC 2013
On Thu, 2013-08-22 at 20:05 +0200, Anders Blomdell wrote:
> On a system with the following disk layout:
>
>
> Disk /dev/sda: 2000.4 GB, 2000398934016 bytes, 3907029168 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 4096 bytes
> I/O size (minimum/optimal): 4096 bytes / 4096 bytes
> Disk label type: dos
> Disk identifier: 0x83dae9c4
>
> Device Boot Start End Blocks Id System
> /dev/sda4 2048 3907029167 1953513560 5 Extended
> /dev/sda5 4096 4198399 2097152 fd Linux raid autodetect
> /dev/sda6 4200448 3907029167 1951414360 fd Linux raid autodetect
>
> Disk /dev/sdb: 2000.4 GB, 2000398934016 bytes, 3907029168 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 4096 bytes
> I/O size (minimum/optimal): 4096 bytes / 4096 bytes
> Disk label type: dos
> Disk identifier: 0x88b817cf
>
> Device Boot Start End Blocks Id System
> /dev/sdb4 2048 3907029167 1953513560 5 Extended
> /dev/sdb5 4096 4198399 2097152 fd Linux raid autodetect
> /dev/sdb6 4200448 3907029167 1951414360 fd Linux raid autodetect
>
> PV VG Fmt Attr PSize PFree
> /dev/md1 vg0 lvm2 a-- 1.82t 1.63t
>
> LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert
> opt vg0 -wi-a---- 60.00g
> root vg0 -wi-a---- 60.00g
> src vg0 -wi-d---- 60.00g
> swap vg0 -wi-a---- 16.00g
>
> I'm trying to kickstart a Fedora-19 system with the following partitioning:
>
> part raid.0a --onpart=sda5 --noformat
> part raid.0b --onpart=sdb5 --noformat
> raid /boot --fstype=ext4 --level=1 --device=md0 raid.0a raid.0b
>
> part raid.1a --onpart=sda6 --noformat
> part raid.1b --onpart=sdb6 --noformat
> raid pv.0 --level=1 --device=md1 raid.1a raid.1b
I think you'd need to use '--useexisting' and '--noformat' when
specifying raids and drop 'part' lines for raid members.
Also the 'volgroup' command shouldn't have PV members listed when using
'--useexisting'.
See:
http://fedoraproject.org/wiki/Anaconda/Kickstart#raid
http://fedoraproject.org/wiki/Anaconda/Kickstart#volgroup
--
Vratislav Podzimek
Anaconda Rider | Red Hat, Inc. | Brno - Czech Republic
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