Date: Fri, 18 May 2012 14:10:10 +0200 From: Maurizio Vairani <maurizio.vairani@cloverinformatica.it> To: Bob Friesenhahn <bfriesen@simple.dallas.tx.us> Cc: freebsd-fs@freebsd.org Subject: Re: NAND Framework in HEAD. Message-ID: <4FB63C22.8010902@cloverinformatica.it> In-Reply-To: <alpine.GSO.2.01.1205172007270.21691@freddy.simplesystems.org> References: <201205172050.q4HKo6hK000183@gw.catspoiler.org> <alpine.GSO.2.01.1205172007270.21691@freddy.simplesystems.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 18/05/2012 3.10, Bob Friesenhahn wrote: > On Thu, 17 May 2012, Don Lewis wrote: >> >> Any thoughts on how well NAND FS might work on SSDs as compared to >> something like UFS, which isn't aware of the properties of the >> underlying storage? I would think that avoiding random block overwrites >> would help performance and device lifetime. > > Filesystems designed to work with raw NAND Flash take care of issues > like bad block management and garbage collecting freed blocks. These > are functionalities already embedded in SSDs. > > Even zfs avoids random block overwrites. > > Bob Hi have a Root on ZFS FreeBSD 8.2 server on 3 USB Flash Disks in RAID 1 configuration. Is there any advantage using NAND FS instead of ZFS ? Thanks Maurizio
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4FB63C22.8010902>