Date: Sat, 3 Feb 2018 13:08:36 -0700 (MST) From: Warren Block <wblock@wonkity.com> To: Christian Weisgerber <naddy@mips.inka.de> Cc: freebsd-questions@freebsd.org Subject: Re: SUJ - turn off for SSDs? Message-ID: <alpine.BSF.2.21.1802031306260.65970@wonkity.com> In-Reply-To: <slrnp7c1fp.29cu.naddy@lorvorc.mips.inka.de> References: <slrnp7c1fp.29cu.naddy@lorvorc.mips.inka.de>
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On Sat, 3 Feb 2018, Christian Weisgerber wrote: > Recent commits to bsdinstall now enable softupdates journaling (SUJ) > by default, with the caveat "turn off for SSDs". > https://svnweb.freebsd.org/base/head/usr.sbin/bsdinstall/partedit/gpart_ops.c?view=log > > Why would you want to turn off journaling on SSDs? Because the problems it was meant to solve (slow fsck) are not a problem on SSDs, and SUJ has problems with snapshots for use with dump(8).
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