Date: Thu, 14 Jul 2016 13:38:52 -0500 From: Larry Rosenman <ler@lerctr.org> To: Kurt Jaeger <lists@opsec.eu> Cc: Miroslav Lachman <000.fbsd@quip.cz>, freebsd-stable@freebsd.org, owner-freebsd-stable@freebsd.org Subject: Re: FreeBSD 10.3 slow boot on Supermicro X11SSW-F Message-ID: <d8d394dfcd2c0f92418d99c038bfefe6@thebighonker.lerctr.org> In-Reply-To: <20160714183640.GB36995@home.opsec.eu> References: <577282AA.5080803@quip.cz> <20160714161109.GA36995@home.opsec.eu> <20160714183640.GB36995@home.opsec.eu>
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On 2016-07-14 13:36, Kurt Jaeger wrote: > Hi! > >> > I installed FreeBSD 10.3 on brand new machine Supermicro X11SSW-F. It >> > sits on top of 4x 1TB Samsung SSDs on ZFS RAIDZ2. >> > >> > The booting is painfully slow from BTX to menu to kernel loading. >> >> I have the same problem on a Supermicro X11SSH-LN4F. > >> > I found this blog post solving the same problem >> > http://smyck.net/2016/06/15/freebsd-slow-zfs-bootloader/ >> >> I'll test that solution. Thanks for the pointer! > > Tested, works -- I took the 12.0-CURRENT boot files: > > gpart bootcode -b pmbr ada0 > gpart -p gptzfsboot -i 1 ada0 > cp zfsloader /boot/zfsloader > > Before: ca. 660 seconds to reboot, now 77 seconds to reboot. > > Now, if someone could explain, why... there were some buffering changes and other stuff in the boot blocks/loader. -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 E-Mail: ler@lerctr.org US Mail: 17716 Limpia Crk, Round Rock, TX 78664-7281
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