Hi,
On 25/06/14 09:26, admin-at-extremeshok-dot-com wrote:
Usually mdadm on a boot/root partition leads to corruption, have you
failed/replaced a drive and tried to recover ?
Relying on something is only good until it fails ..
I have done so a couple of times, without issues, but not on our Proxmox
deployments. We use mdadm for VM data only, root/boot partitions are on
Hw RAID.
I have even recovered a mdadm softraid1 data from a failed Iomega
storcenter ix2 NAS that was in the process of recovering de raid1, just
pluging the disks to a regular PC.
Cheers
Eneko
On 6/25/2014 9:02 AM, Eneko Lacunza wrote:
Hi,
On 24/06/14 23:22, Alexandre DERUMIER wrote:
3.) Software RAID/Fake-RAID is not suited for the enterprise
environment, with that said, you can still run Proxmox on Software
RAID, but it's not supported. You don't need a $300 RAID card, I
bought a complete >>server recently for $200 that had a built-in
LSI SAS1064E controller
I'm begin to test raid management at lvm level (available since last
lvm releases), maybe it could be easy to extend the proxmox installer.
I made some tests months ago, and I was socked to see that when a
disk in LVM raid-1 broke, LVM provided no warning (as opposed to
mdadm, that sends a message and logs to syslog).
Maybe it was bad configuration on my part, but it made us continue to
use mdadm for softRAID and never look back.
BTW, we have mdadm deployed for production purposes in a pair of
clusters with success. I think that with the level of expertise
required to manage mdadm softRAID, relaying on the debian installer
is good enough.
Cheers
Eneko
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