From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Vladimir V. Saveliev" Subject: Re: Filesystem corruption Date: Wed, 30 May 2007 20:02:26 +0400 Message-ID: <200705302002.27342.vs@namesys.com> References: <46598532.5060505@lncsa.com> <1138AFDD-ED08-4390-A418-807A84342AE9@smartgames.ca> <200705300825.26083.ninja@slaphack.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <200705300825.26083.ninja@slaphack.com> Content-Disposition: inline List-Id: Content-Type: text/plain; charset="us-ascii" To: David Masover Cc: reiserfs-list@namesys.com Hello On Wednesday 30 May 2007 17:25, David Masover wrote: > On Tuesday 29 May 2007 07:36:13 Toby Thain wrote: > > > >> but you can't > > >> mention using reiserfs in mixed company without someone accusing > > >> you of > > >> throwing your data away. > > > > People who repeat this rarely have any direct experience of Reiser; > > they repeat what they've heard; like all myths and legends they are > > transmitted orally rather than based on scientific observation. > > Well, there is one problem I vaguely remember that I don't think has been > addressed, I think it was one of those lets-put-it-off-till-v4 things. It was > the fact that there are a limited number of inodes (or keys, or whatever you > call a unique file), and no way of knowing how many you have left until your > FS will suddenly, one day refuse to create another file. > reiserfs is limited to ~2^32 file creations. It is possible to exhaust but I do not remember any reports about that. > (For comparison, ext3 seems to support not only telling you how many inodes > you have left, but tuning that on the fly.) > > But, I haven't run into that, and the only problem I've had lately has been > Reiser4 losing data, and crashing occasionally. I switched most of my data > off of Reiser4 and onto XFS for that reason. I've also been using ext3 in > some places, and Reiser3 in others (one place in particular where space is > limited, but I will have tons of small files). > > I later learned that XFS does out-of-order writes by default, making me think > I should give up and invest in UPS hardware. But, switching away from Reiser4 > means I no longer see random files (including stuff in, for example, /sbin, > that I hadn't touched in months) go up in smoke. > > Ordinarily I like to help debug things, but not at the risk of my data. Maybe > I'll try again later, and see if I can reproduce it in a VM or somewhere > safe... > that would be great, thanks > I do still follow the list, though, in case something interesting happens. It > was fun while it lasted! >