On 22/09/11 20:15, Brian Bockelman wrote:
Hi Gabi,
I'd be a bit scared of that backup strategy; what happens if the TCP connection
gets cut suddenly during curl? What happens if there's a TCP corruption? Such
things have happened before.
Curl might work for long-haul backups, but I'd use H
Hi Gabi,
I'd be a bit scared of that backup strategy; what happens if the TCP connection
gets cut suddenly during curl? What happens if there's a TCP corruption? Such
things have happened before.
Personally, we have the SNN merge the edits every 15 minutes. If it hasn't
happened in 30 minut
Does the backup process include syncing? On-drive write cache can also trick
you.
For absolutely critical data, it is a good idea to use a controller with
battery-backed write cache or a service/product that guarantees durability.
Kihwal
On 9/22/11 3:48 AM, "Gabi Kazav" wrote:
Hi,
I had Powe
Hi,
I had Power Failure.
I have backup of files: edits, fsimage.
I am backing it up with:
curl -s http://nameNode:50070/getimage?getimage=1 > fsimage
curl -s http://nameNode:50070/getimage?getedits=1 > edits
When I am trying to start the HDFS with the recovered files, I got error about
the edi
