[OpenIndiana-discuss] Need thoughts on OpenIndiana+ZFS for backup server

[Basil Kurian]

Here we are running backup servers only during business hours (web
development firm). At the end of day , Sometimes the servers are powered
off  , without issuing any commands to shutdown them cleanly.

On 5 February 2011 16:45, Matt Wilby <matthewwilby at btinternet.com> wrote:

> On 05/02/2011 10:53, Basil Kurian wrote:
> > Hi all
> >
> >
> > Currently in our company we are having a Dragonfly BSD backup server with
> > Hammer filesystem in it. One senior system administrator in our compay
> chose
> > Hammer filesystem some times back, because Hammer filesystem can easily
> > recover in times of power failures. I 'm compelling him to move to ZFS
> (on
> > FreeBSD or OpenIndiana). How durable is data on an ZFS pool (RAID or
> mirror)
> > when  power failure happen frequently.
> >
>
> Hi,
>
> I use ZFS on my backup servers. I can't say we've ever had power
> failures because they're in a datacenter, but I would invest in a decent
> UPS if it's a regular occurrence. Hard drives don't generally like
> having power suddenly removed.....
>
> ZFS on OpenIndiana will give you nice features like file system
> compression, dedupe, snapshots and constant checksumming of of in-use
> blocks.
>
> I've never used Hammer before, but HammerFS doesn't appear to offer
> compression yet.
>
> Just my opinion, but I'd say ZFS is more widely used than Hammer.
>
> Matt
>
>
>
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-- 
Regards

Basil Kurian