[PVE-User] HDD errors in VMs

[Michael Rasmussen]

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

Get my public GnuPG keys:
michael <at> rasmussen <dot> cc
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xD3C9A00E
mir <at> datanom <dot> net
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE501F51C
mir <at> miras <dot> org
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE3E80917
--------------------------------------------------------------
/usr/games/fortune -es says:
    ***
  *******
 *********
 ****** Confucious say: "Is stuffy inside fortune cookie."
  *******
    ***
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 181 bytes
Desc: OpenPGP digital signature
URL: <http://lists.proxmox.com/pipermail/pve-user/attachments/20160107/14bc3c55/attachment.sig>