Date: Tue, 8 Sep 2015 21:28:01 -0400 From: Tom Curry <thomasrcurry@gmail.com> To: Mark Saad <nonesuch@longcount.org> Cc: Steven Hartland <killing@multiplay.co.uk>, "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org> Subject: Re: TRIM support (same bug as linux?) Message-ID: <CAGtEZUBgbufc2W%2BiFg_7XVWyF4_mcfd8mj1=UMyTHM-RCWWR_g@mail.gmail.com> In-Reply-To: <1BCC8B97-6C79-4864-8405-BA687577808A@longcount.org> References: <CAD=tpedAx2XLtQe6Nn%2BHvXWZ0X=TekmkpTruxCndYqpBXPFaFA@mail.gmail.com> <55EF7265.2050309@multiplay.co.uk> <1BCC8B97-6C79-4864-8405-BA687577808A@longcount.org>
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I'm no expert but if memory serves the issue had to do with concurrent and/or queued trim which is not implemented in FreeBSD. On Tue, Sep 8, 2015 at 9:11 PM, Mark Saad <nonesuch@longcount.org> wrote: > > > > On Sep 8, 2015, at 7:42 PM, Steven Hartland <killing@multiplay.co.uk> > wrote: > > > > Nope FreeBSD is not affected by this. > > > >> On 09/09/2015 00:15, FF wrote: > >> I'm asking a pretty vague question and I apologize in advance, not > trying > >> to troll. > >> > >> The question has to do with whether FreeBSD is using TRIM the same way > as > >> recent Linux kernels. > >> > >> https://blog.algolia.com/when-solid-state-drives-are-not-that-solid/ > seems > >> to imply that there are instabilities that can occur. Trying to avoid > >> duplicating effort if this has already been addressed or if its a > complete > >> dead alley because there isn't a commonality. > >> > >> Thanks in advance! > > > > It would be interesting if anyone could explain the reasons why ufs/ffs > and zfs and FreeBSD are not effected by this issue . My rudimentary > understanding of the issue was that it's wasn't just a software glitch in > the ext filesystem and bad firmware but a combination of that and Linux > poorly supporting a ata modes that are not supported at all on FreeBSD . > Is that correct ? > > > --- > Mark Saad | nonesuch@longcount.org > > _______________________________________________ > > freebsd-fs@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-fs > > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > _______________________________________________ > freebsd-fs@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >
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