Re: [linux-lvm] pvmove hangs

["Diaz Rodriguez, Eduardo" <ediaz@pk25.com>]

Hi, try with pvmove -t or pvmove -v,

Send the panics output, I think that we need more information.

regards!


On Tue, 26 Apr 2005 12:19:58 +0300, Gergely Imre wrote
> hi
> 
> i have a LV with two PVs in it, like this:
> 
>  --- Logical volume ---
>   LV Name                /dev/watchdog/watchdog_var
>   VG Name                watchdog
>   LV UUID                v6U2JY-PBMf-snpJ-IXX5-ZzcV-y4fk-PchoQg
>   LV Write Access        read/write
>   LV Status              available
>   # open                 1
>   LV Size                72.22 GB
>   Current LE             2311
>   Segments               1
>   Allocation             next free (default)
>   Read ahead sectors     0
>   Block device           254:6
> 
>   --- Physical volumes ---
>   PV Name               /dev/sdb2
>   PV UUID               5v23aD-mkO0-I9Ur-zUKG-sGd2-8iCP-zhgfJe
>   PV Status             allocatable
>   Total PE / Free PE    2500 / 189
> 
>   PV Name               /dev/sda1
>   PV UUID               7mzLEZ-Va0c-sdiW-8KAV-lyjo-a5yI-GBORGS
>   PV Status             allocatable
>   Total PE / Free PE    2941 / 2753
> 
> i want to remove sdb2, so i wanted to make a pvmove /dev/sdb2, so it
> would move everything to sda1. the strange thing is, pvmove starts, and
> after, say, 20% (about an hour or so) the whole system hangs 
> somehow. i can ping the box, but any command i try to run, fails. 
> it's like it's waiting for the disk to read/write, or something like 
> that. the distrib is Fedora Core 2.
> 
> lvm> version
>   LVM version:     2.00.15 (2004-04-19)
>   Library version: 1.00.14-ioctl (2004-04-06)
>   Driver version:  4.4.0
> 
> filesystem is ext3.
> the system has 2GB RAM, dual Intel Xeon 3GHz.
> 
> i tried with kernel 2.6.11.7, after a while it gives me kernel panic
> during pvmove. then i tried with 2.6.9, it didn't panic, but it hung,
> and i had to reboot.
> 
> it's kinda urgent, thanks.
> 
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> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/


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