[rsync]

We currently allow 1.1 PB in a single "namespace" (zpool).

There are non-obvious ways to make a petabyte-sized zpool non-scary ... but even with those employed we still utilize raidz3 and have contingencies for rollbacks.

edit: for obvious reasons, that 1.1 PB number will grow by 50% in the very near future...

[hemancuso]

It's easy enough to jam enough disks into a rack with these 90disk 4u super micro jbods. The thing that always scared me (ESP with rsync) is how do you get performant metadata for a few billion files? Or even tens of millions.

And raidz3 resilver must be horrible at those densities!

Again. Just curious. Email at jmancuso@expandrive if you feel like chatting. I know we offer a similar product, but we are about to leave zfs for the above concerns. Wouldn't mind sending some business your way.

[jacquesct]

Any hints at what filesystem you are moving Strongspace over to? Assuming that you will be moving off SmartOS as well?

[hemancuso]

Distributed object storage

Filesystem: ExpanDrive :)