From mboxrd@z Thu Jan 1 00:00:00 1970 From: dexen deVries Subject: Re: read error on superblock Date: Mon, 23 Jul 2012 11:24:08 +0200 Message-ID: <1473809.3VOqpg65Ko@coil> References: <19753282.RhzHOQAfKG@coil> <1343035048.1974.6.camel@slavad-ubuntu-11> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-face:user-agent:in-reply-to :references:mime-version:content-transfer-encoding:content-type; bh=++iURTx1bdozrVOHca9MUYt0UNhpbzhDHJmg6h9Q7uE=; b=LaBY94OCIxNxn2dsSKa9iWv1xY9XwjNRPAdWRePUL+NLL+AzRPCF9mGjVZMJvO9k6Y S6c1i1dB9WEX7k5rPVp3q+TDyRJVQqU3A4AdcrSHnPACSb4M8EmxmAwGKu8CG6LMI6oJ 25ptrM5XVwxO4RP++WqFnJH3L0SPCIgHzBASp0/EniB+LRZaxGeFAMyNUPtMCJ5XVng9 gLuYAvkrbofu/6Gv3L5GEv5l49qAi3qPpk07PeF6ASfDIdmJ8jXYksXnkgPonB+VNIp/ xEfgudDxLoG1GKDrNOWeBt/5fhYehf0aMCrQ9u/CFGwI9X51ZaBTFD2o2DhMcFiKomGP D2Ug== In-Reply-To: <1343035048.1974.6.camel@slavad-ubuntu-11> Sender: linux-nilfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="utf-8" To: Vyacheslav Dubeyko Cc: linux-nilfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Hi Vyacheslaw, On Monday 23 of July 2012 13:17:28 you wrote: > It exits second superblock at the end of NILFS volume. But it can be = not > in fully synchronous state with primary ones (as I guess). > Theoretically, it is possible to copy secondary superblock on the pla= ce > of primary. But I am afraid that the NILFS volume can be in inconsist= ent > state anyway. any hints how to locate the superblock? what offset to look at, and wha= t's the=20 magic number(s)? > Do you sure that this volume doesn't contain another damaged sectors? in my case, that doesn't matter: all the data i want to recover is eith= er in=20 Git (which does internal consistency checks) or in MySQL, which also do= es=20 /some/ consistency checks. Cheers, --=20 dexen deVries [[[=E2=86=93][=E2=86=92]]] "all dichotomies are either true or false" is a true paradox because it= 's=20 paradoxical only if it is a paradox ;) -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" = in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html