From: Duncan <1i5t5.duncan@cox.net>
To: linux-btrfs@vger.kernel.org
Subject: Re: device balance times
Date: Fri, 24 Oct 2014 05:13:27 +0000 (UTC) [thread overview]
Message-ID: <pan$e118d$d880428d$ebc41b4b$dabf1c21@cox.net> (raw)
In-Reply-To: 20141024023529.GD17395@hungrycats.org
Zygo Blaxell posted on Thu, 23 Oct 2014 22:35:29 -0400 as excerpted:
> My pet peeve: if balance is converting profiles from RAID1 to single,
> the conversion should be *instantaneous* (or at least small_constant *
> number_of_block_groups). Pick one mirror, keep all the chunks on that
> mirror, delete all the corresponding chunks on the other mirror.
That would argue for either a third balance mode, --convert-only, or a
different tool, avoiding a rewrite of existing chunks entirely, simply
replicating them if adding redundancy or deleting a copy if reducing it,
as necessary.
--
Duncan - List replies preferred. No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master." Richard Stallman
next prev parent reply other threads:[~2014-10-24 5:13 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-21 18:59 device balance times Tomasz Chmielewski
2014-10-21 20:14 ` Piotr Pawłow
2014-10-21 20:44 ` Arnaud Kapp
2014-10-22 1:10 ` 5 _thousand_ snapshots? even 160? (was: device balance times) Robert White
2014-10-22 4:02 ` Zygo Blaxell
2014-10-22 4:05 ` Duncan
2014-10-23 20:38 ` 5 _thousand_ snapshots? even 160? Arnaud Kapp
2014-10-22 11:30 ` Austin S Hemmelgarn
2014-10-22 17:32 ` Goffredo Baroncelli
2014-10-22 11:22 ` device balance times Austin S Hemmelgarn
2014-10-22 1:43 ` Chris Murphy
2014-10-22 12:40 ` Piotr Pawłow
2014-10-22 16:59 ` Bob Marley
2014-10-23 7:39 ` Russell Coker
2014-10-23 8:49 ` Duncan
2014-10-23 9:19 ` Miao Xie
2014-10-23 11:39 ` Austin S Hemmelgarn
2014-10-24 1:05 ` Duncan
2014-10-24 2:35 ` Zygo Blaxell
2014-10-24 5:13 ` Duncan [this message]
2014-10-24 15:18 ` Zygo Blaxell
2014-10-24 10:58 ` Rich Freeman
2014-10-24 16:07 ` Zygo Blaxell
2014-10-24 19:58 ` Rich Freeman
2014-10-22 16:15 ` Chris Murphy
2014-10-23 2:44 ` Duncan
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