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Date:      Tue, 16 Apr 2013 12:52:45 +0400 (MSK)
From:      Dmitry Morozovsky <marck@rinet.ru>
To:        Daniel Kalchev <daniel@digsys.bg>
Cc:        freebsd-fs@freebsd.org
Subject:   Re: ZFS-inly server and dedicated ZIL
Message-ID:  <alpine.BSF.2.00.1304161250360.89522@woozle.rinet.ru>
In-Reply-To: <516CE8A0.3070808@digsys.bg>
References:  <alpine.BSF.2.00.1304101713530.38433@woozle.rinet.ru> <D416AA98-D78A-4743-A1E6-AA2C28B9A602@bway.net> <alpine.BSF.2.00.1304121342090.58348@woozle.rinet.ru> <516CE8A0.3070808@digsys.bg>

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On Tue, 16 Apr 2013, Daniel Kalchev wrote:

> As already mentioned, multiple vdev zpool for root works just fine on FreeBSD.

Yes, but not pools with dedicated ZIL, as I cited from sources: zpool just does 
not allow to add ZIL to boot pool

> There is however one "restriction" -- all of the drives should be visible as
> BIOS drives at boot. If your BIOS (HBA SAS BIOS) supports that, then you
> should not expect problems.
> 
> Just make sure you test it with all the drives, before you build the pool.

I think I'll drift to UFS mirrored /boot I suppose, as I did for several 
servers already

> On the other hand, using the same SSD for SLOG and L2ARC is not always good
> idea because those two have quite opposite requirements.

I know, but price and drive count restrictions do apply as well :)


-- 
Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck@FreeBSD.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
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