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 <matthewwi...@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 > > > > _______________________________________________ > OpenIndiana-discuss mailing list > OpenIndiana-discuss@openindiana.org > http://openindiana.org/mailman/listinfo/openindiana-discuss > -- Regards Basil Kurian _______________________________________________ OpenIndiana-discuss mailing list OpenIndiana-discuss@openindiana.org http://openindiana.org/mailman/listinfo/openindiana-discuss
