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...would appear as though iscsi may not be the way to go for this as it locks up when the target goes down and even though I may be able to remove the target from the mirror, that process may fail as the "disk" remains in "D" state. So that leaves me with the following options: 1) ggated/ggatec + gmirror 2) ggated/ggatec + zfs (zpool mirror) 3) zfs send/recv incremental snapshots (ssh) 1) I have been using ggated/ggatec on a set of 6.2-REL boxes and find that ggated tends to fail after some time leaving me rebuilding the mirror periodically (and gmirror resilvering takes quite so...

...6k ^C1858+0 records in 1857+0 records out 30425088 bytes transferred in 8.758475 secs (3473788 bytes/sec) -> ^^^^^^^ ~ 3,4MB/s This example shows that using NFS over GigaBit Ethernet decimates performance by the factor of 15, in words fifteen! GGATE with MTU 16114 and polling: test2:/dev#28: ggatec create 10.0.0.2 /dev/ad4p1 ggate0 test2:/dev#29: mount /dev/ggate0 /samsung/ test2:/dev#30: dd if=/dev/zero of=/samsung/testfile bs=16k ^C2564+0 records in 2563+0 records out 41992192 bytes transferred in 15.908581 secs (2639594 bytes/sec) -&...

Hi all, Setup: I'm running 2 machines (amd64, 16GB) with FreeBSD 9-STABLE (Mar 14 so far) acting as NFS servers. They each serve 3 zpools (holding a single zfs, hourly snapshots). The zpools each are 3-way mirrors of ggate devices, each 2 TB, so 2 TB per zpool. Compression is "on" (to save bandwith to the backend, compressratio around 1.05 to 1.15), atime is off. There is no special tuning in loader.conf (except I tried to limit ZFS ARC to 8GB lately, which doesn't change a lot). sysctl.conf has:...

...will come later, as we implement needed atomic operations. Missing functionality. - We don''t have iSCSI target daemon in the tree, so sharing ZVOLs via iSCSI is also not supported at this point. This should be fixed in the future, we may also add support for sharing ZVOLs over ggate. - There is no support for ACLs and extended attributes. - There is no support for booting off of ZFS file system. Other than that, ZFS should be fully-functional. Enjoy! -- Pawel Jakub Dawidek http://www.wheel.pl pjd at FreeBSD.org http://www...