[PVE-User] HDD errors in VMs

Michael Rasmussen mir at miras.org
Thu Jan 7 15:59:54 CET 2016


On Thu, 7 Jan 2016 15:48:08 +0100
Michael Pöllinger <m.poellinger at wds-tech.de> wrote:

> 
> Only for info i can only repeat that this problems occour only on new VMs we´ve isntalled on debian 8.x with ext4.
> Older Systems with ext3 run and run and run without any errors.
> 
> So i guess no hardware errors, cause there should be any error information or different behave in those VMs
> 
Since you use RAID controllers (I assume with BBU) try using proxmox
cache setting 'write through' or 'directsync'. Read here:
https://pve.proxmox.com/wiki/Performance_Tweaks

Default mount options for ext4 in debian 8.2: type ext4
(rw,noatime,data=ordered)

You could try: rw,noatime,data=ordered,barrier=1

-- 
Hilsen/Regards
Michael Rasmussen

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/usr/games/fortune -es says:
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 ****** Confucious say: "Is stuffy inside fortune cookie."
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