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Fri, 25 Jan 2019 16:00:49 +0100 (CET) Subject: Re: enlarging a ZFS file system To: Christian Baer , freebsd-questions@freebsd.org References: <85fc7b92-3e40-33e2-b079-91d04944d13a@informatik.uni-dortmund.de> From: Ruben Message-ID: <4a12e8d8-2671-14c4-cbcf-3e0084a1f803@osfux.nl> Date: Fri, 25 Jan 2019 16:00:51 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <85fc7b92-3e40-33e2-b079-91d04944d13a@informatik.uni-dortmund.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV using ClamSMTP X-Rspamd-Queue-Id: D895E8772A X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=osfux.nl header.s=default header.b=MVYzBJmx; dkim=pass header.d=osfux.nl header.s=default header.b=TAf7XviN; dmarc=pass (policy=none) header.from=osfux.nl; spf=pass (mx1.freebsd.org: domain of mail@osfux.nl designates 2a03:5500:1724:55:79:99:187:212 as permitted sender) smtp.mailfrom=mail@osfux.nl X-Spamd-Result: default: False [-4.34 / 15.00]; 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The file system is > getting a little cramped, so I would like to extend it. > > Ideally I'd like to add 2 or three (identical) drives to the pool, let > the system work a little and then have a result as if I'd created the > whole thing from the start with 7 or 8 drives. Just to be clear: The > result should be a RAIDZ2 with 7 or 8 drives (depending on how many I add). > > A couple of years back, I read up on if this were possible and the only > way to enlarge a RAIDZ at the time was to replace *all* the existing > drives piece by piece with bigger ones and let the RAID heal drive by > drive. During my research I did stumble on a thread where developers of > ZFS were discussing that what I would like to do was actually a good > idea and a relatively widely requested feature. I didn't participate in > the discussion and for some reason cannot find it anymore. I must admit > that I didn't save the URL at the time. :-( > > Has there been any development in this direction? Can what I'd like to > do be done with FreeBSD today? The drives in question are used for > archive purposes and don't really see much action, so I am not worried > that they will die it the data on them gets copied around a fair bit. > > Y'all have a nice weekend! ;-) > > Regards, > Chris > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org"