[DRBD-user] Fwd: [proxmox 5.4]Cannot create VM, cannot restore : timeout linstor sp l...

[Christophe Nouvel]

Envoyé de mon iPhone

Début du message transféré :

> Expéditeur: Christophe NOUVEL <christophe.nouvel at gmail.com>
> Date: 27 janvier 2020 à 15:17:06 UTC+1
> Destinataire: Roland Kammerer <roland.kammerer at linbit.com>
> Objet: Rép:  [DRBD-user] [proxmox 5.4]Cannot create VM, cannot restore : timeout linstor sp l...
> 
> 
> Hi,
> 
> pvs, lvs and vgs are fast on both nodes :
> 
> [root at px1:~]# time pvs
>   PV         VG      Fmt  Attr PSize   PFree
>   /dev/sda3  pve     lvm2 a--  277.96g 16.00g
>   /dev/sdb1  vg_drbd lvm2 a--    4.54t  3.59t
> 
> real    0m0.059s
> user    0m0.005s
> sys     0m0.013s
> [root at px1:~]# time vgs
>   VG      #PV #LV #SN Attr   VSize   VFree
>   pve       1   3   0 wz--n- 277.96g 16.00g
>   vg_drbd   1   3   0 wz--n-   4.54t  3.59t
> 
> real    0m0.020s
> user    0m0.005s
> sys     0m0.012s
> [root at px1:~]# time lvs
>   LV                     VG      Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
>   data                   pve     twi-a-tz-- 181.02g             0.00   0.89
>   root                   pve     -wi-ao----  69.25g
>   swap                   pve     -wi-ao----   8.00g
>   vm-100102-disk-1_00000 vg_drbd -wi-ao---- 910.21g
>   vm-100104-disk-1_00000 vg_drbd -wi-ao----  32.01g
>   vm-100106-disk-1_00000 vg_drbd -wi-ao----  32.01g
> 
> real    0m0.051s
> user    0m0.009s
> sys     0m0.008s
> 
> 
> Same times for second node.
> 
> Only one line has been modified in lvm.conf on each node :
> [root at px2:~]# diff /etc/lvm/lvm.conf /etc/lvm/lvm.conf.orig
> 129,130c129
> <         global_filter = [ "r|/dev/zd.*|", "r|/dev/mapper/pve-.*|", "r|/dev/drbd.*|" ]
> <       # global_filter = [ "r|/dev/zd.*|", "r|/dev/mapper/pve-.*|" ]
> ---
> >       global_filter = [ "r|/dev/zd.*|", "r|/dev/mapper/pve-.*|" ]
> 
> 
> All was working ok before resize...
> 
>   Christophe.
> 
>> Le lun. 27 janv. 2020 à 11:35, Roland Kammerer <roland.kammerer at linbit.com> a écrit :
>> On Mon, Jan 27, 2020 at 10:19:31AM +0100, Christophe NOUVEL wrote:
>> > We noticed long response time when :
>> > linstor sp pl
>> 
>> And that is the root cause for the plugin timeout.
>> 
>> > An strace give a long wait (20s) to :
>> > sendto(3, "GET /v1/view/storage-pools HTTP/"..., 153, 0, NULL, 0) = 153
>> > poll([{fd=3, events=POLLIN}], 1, 300000
>> > 
>> > Any idea?
>> 
>> Best guess is that LVM is very slow on at least one of your nodes. Just
>> try 'lvs' on all of them. If this is already slow (yes, I see that *a*
>> *lot*), then properly configure your LVM (by setting some filters in
>> lvm.conf).
>> 
>> Regards, rck
>> _______________________________________________
>> Star us on GITHUB: https://github.com/LINBIT
>> drbd-user mailing list
>> drbd-user at lists.linbit.com
>> https://lists.linbit.com/mailman/listinfo/drbd-user
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20200127/397ff432/attachment.htm>