[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: LVM and mdadm


On Sat, 4 Apr 2015 12:48:32 +0200
Petter Adsen <petter@synth.no> wrote:

> I've just finished setting up Jessie with mdadm and LVM, the latter of
> which I have never used before.
> /dev/md0 is a 1G mirror for /boot, no LVM there. /dev/md1 is a mirror,
> than consists of the major part of /dev/sda and /dev/sdb - both 250G.
> There are also 4G swap partitions on sda and sdb, no RAID there.
> The installation went smoothly, and I think I got everything right.
> However, when I run "pvdisplay -v", it says:
>     DEGRADED MODE. Incomplete RAID LVs will be processed.
>     Scanning for physical volume names
>   --- Physical volume ---
>   PV Name               /dev/md1
>   VG Name               ROOTVG
>   PV Size               227.90 GiB / not usable 2.00 MiB
>   Allocatable           yes 
>   PE Size               4.00 MiB
>   Total PE              58342
>   Free PE               17812
>   Allocated PE          40530
>   PV UUID               bpoMmU-Z9w0-arNA-Q6Je-jdyl-P2nH-JiPtJY
> Does that mean there is something wrong with the mirror under LVM?

It's possible that you have logical volumes created with --mirrors
option, for example. It's not bad, just redundant (i.e. mirroring over

Please post the output of vgdisplay -v.


Reply to: