On 04/22/2017 11:17 AM, Duncan wrote: > Hans van Kranenburg posted on Fri, 21 Apr 2017 12:26:18 +0200 as > excerpted: > >> So, I used the clone functionality of the underlying iSCSI target to get >> a writable throw-away version of the filesystem to experiment with >> (great!). > > Please, I'm rather sure you know all this and have setup your system > accordingly, but we need to try to make it explicit any time there's > mention of any sort of device or filesystem cloning tool, that we tell > others that may happen on the post either just reading the list or via a > google or the like... Ack. [1] [1] https://btrfs.wiki.kernel.org/index.php/Gotchas#Block-level_copies_of_devices > [..... .. .. . ... .. . . .. . ..] > (Of course the above is an explanation in far more detail than that > single-liner, because it's the full topic of the post and I might as > well, compared to the simple parenthetical I'm asking for when clone > discussions come up.) Thanks for stressing the fact. And yes, the cloned iSCSI luns are only visible to a completely separate server configured in another initiator group of the target, seen by hardware that is not aware of what's happenning in the production cluster. -- Hans van Kranenburg -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
