| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <CAGBYx2ZjrAXEvfEBSLz7CRsMDB3RSKWg1-8Y7yiJLaRSHSyixA@mail.gmail.com> Date: Tue, 3 Apr 2012 18:58:29 +0800 From: Yongqiang Yang <xiaoqiangnk@...il.com> To: Daniel Drake <dsd@...top.org> Cc: Ext4 Developers List <linux-ext4@...r.kernel.org>, Andreas Dilger <adilger@...ger.ca> Subject: Re: ext4 online resize and robustness to interruption On Mon, Apr 2, 2012 at 11:17 PM, Daniel Drake <dsd@...top.org> wrote: > Hi, > > I think this question has been asked before, but I'd like to revisit > it given the recent rework of ext4 online resizing: > > How robust is ext4 online resize in the face of unexpected > interruption (i.e. sudden loss of power)? Yep! It is only robust when journal is used. In no journal mode, it is not. Yongqiang. > > The context here is that OLPC will now performing an online resize > upon first boot of the system. Our laptops are frequently used in very > remote places with unreliable power, and given that we work in large > numbers, we're going to see some cases where the system lost power > during the resize operation. What is the expected effect here - will > the system boot up again just fine (perhaps with the original > partition size), and is then repeating the resize operation expected > to be safe and reliable? > > Thanks, > Daniel -- Best Wishes Yongqiang Yang -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists