Date: Thu, 10 Jun 2010 02:27:58 -0700 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: ticso@cicely.de, fs@FreeBSD.org Subject: Re: Do we want a periodic script for a zfs scrub? Message-ID: <20100610092758.GA67752@icarus.home.lan> In-Reply-To: <20100610112345.644960lrau3mxfk0@webmail.leidinger.net> References: <20100609162627.11355zjzwnf7nj8k@webmail.leidinger.net> <20100609144355.GL72453@cicely7.cicely.de> <20100610112345.644960lrau3mxfk0@webmail.leidinger.net>
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On Thu, Jun 10, 2010 at 11:23:45AM +0200, Alexander Leidinger wrote: > But I'm a little bit surprised, when I scrub a pool of 3 times 250 > GB disks in RAIDZ configuration, it is finished fast (a fraction of > a day... maybe an hour or two). Initially it displays a very long > time (>400 hours), but this is reducing after a while drastically. For what it's worth, Solaris does the exact same thing (initially shows a very long duration, which keeps getting longer, but then reduces after some time and begins catching up quickly). It didn't originally behave this way (on FreeBSD or Solaris) so there's probably a justified reason for it. -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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