search for: autogrow

...st a wishlist. INCLUDED IN ZFS - Mirror existing single-drive filesystem, as in ''zfs attach'' - RAIDz-stuff - single and hopefully multiple-parity RAID configuration with block-level checksumming - Background scrub/fsck - Pool-like management with multiple RAIDs/mirrors (VDEVs) - Autogrow as in ZFS autoexpand NOT INCLUDED IN CURRENT ZFS - Adding/removing drives from VDEVs - Rebalancing a pool - dedup This may be a long shot, but can someone tell if this is doable in a year or five? Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 roy@karlsbakk.net htt...

All the resources allocated based on xen_blkif_reqs are global in blkback. While (without having measured anything) I think that this is bad from a QoS perspective (not the least implied from a warning issued by Citrix''es multi-page-ring patches: if (blkif_reqs < BLK_RING_SIZE(order)) printk(KERN_WARNING "WARNING: " "I/O request space (%d reqs) < ring