From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from forward100p.mail.yandex.net ([2a02:6b8:0:1472:2741:0:8b7:100]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1g7Gkj-0003rf-1P for linux-mtd@lists.infradead.org; Tue, 02 Oct 2018 09:14:25 +0000 Message-ID: <5BB336BF.1030401@ircoc.vrn.ru> Date: Tue, 02 Oct 2018 12:13:35 +0300 From: =?UTF-8?B?ItCc0Y/RgdC+0LXQtNC+0LIg0JAu0K4uIg==?= MIME-Version: 1.0 To: Richard Weinberger CC: linux-mtd@lists.infradead.org Subject: Re: How to organize UBI volumes and power crash References: <5BB32167.1040902@ircoc.vrn.ru> <5BB331EC.60204@ircoc.vrn.ru> <10059393.qm9dNCvvdv@blindfold> In-Reply-To: <10059393.qm9dNCvvdv@blindfold> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , If so, the UBI/UBIFS is very good and reliable system. It would be beautiful if linux-mtd.infradead.org will correct they documentation. So I can tell my chief about FLASH partitions organisation in my device. Thank you, Richard Andrey > Am Dienstag, 2. Oktober 2018, 10:53:00 CEST schrieb Мясоедов А.Ю.: >> Thank ypu, Richard. >> >>> Both UBI and UBIFS must not corrupt upon a powercut, if you face such an >> issue, please report. This could be a bug or a hardware problem. >> >> But http://www.linux-mtd.infradead.org/doc/ubifs.html#L_unstable_bits >> says about such possible problems (unstable bits). > This problem is highly theoretical and so far I have never seen it. > So far anyone that claimed to suffer from that was wrong and it turned out that > it was some other issue. > > It is time to remove that paragraph from the website since it confuses user > over and over. > David, can you please file and merge a patch? > >> > The general recommendation is having the MTD partition and therefore >> the UBI device as large as possible such that the wear leveling large. >> 02.10.2018 11:41, Richard Weinberger написал: >> >> Do you mean one MTD partition for first UBI volume, and second MTD >> partition for another one? > No, just one UBI device on one MTD partition with multiple UBI volumes. > > Thanks, > //richard > > >