[PVE-User] Supported configuration question

Enrico M enrico at majaglug.net
Sat Sep 21 17:24:57 CEST 2013


In data lunedì 16 settembre 2013 20:44:10, Pongrácz István ha scritto:
> ----------------eredeti üzenet-----------------
> Feladó: "Marco Gabriel - inett GmbH" mgabriel at inett.de
> Címzett: "admin-at-extremeshok-dot-com" admin at extremeshok.com
> CC: "pve-user at pve.proxmox.com "
> Dátum: Mon, 16 Sep 2013 17:41:21 +0200
> -------------------------------------------------
> 
> >> Little point, raid cards are superior, more reliable and faster and
> >> cheap.
> > 
> > And if they die, there is nothing you can do but trying to get exactly
> > the same controller again. Hardware fails and it's just a matter of
> > time.
> > 
> > Software RAID may be not everyones darling, but it is reliable. The
> > performance heavily depends on your setup (and it's not a good choice if
> > you need many IOPS).
> > 
> > And by the way: I really like LSI and some other RAID hardware
> > manufacturers, but what I even more like is having a choice. ;-)
> > 
> > Marco
> 
> Of course, PVE team cannot support all kind of storage systems out of the
> box.
> 
> My PVE local storage evolution was the following:
> - Linux software raid1(0) (never had a problem)
> - Hardware raid (orbital sucks with hw raid10 -> unexplained by the
> hardware vendor, never again) - ZFS on linux with L2ARC/ZIL -> working
> very well with PVE.
> 
> Advantages for me:
> - snapshots, no more 4-8 hours backup with hanging virtual machines -> 100%
> uptime, - copy snapshots over the network using zfs send/receive,
> - consistent data on the disk, there is no fsck after a crash or long
> runtime, - seems similar or better performance than hw raid10
> - I do not need any kind of HW raid card.
> 
> So, technically you can adjust proxmox as you need. If one not a tech.
> genie, no problem, just follow the mainstream: a supported hardware raid
> card + some disks and that's all.
> 
> Bye,
> István
> 
> 

I'm interested in zfs on linux + ssd for zil and l2arc.
Could you tell some details about your configuration?
Thanks a lot
Enrico



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