Hello! You can achieve this with a bit inderect way - there are sync_min and sync_max params which can be used to operate on certain borders of array, more info https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/md.txt?id=refs/tags/v3.11#n579 . On Tue, Sep 10, 2013 at 10:19 PM, Henrique de Moraes Holschuh <hmh@xxxxxxxxxx> wrote: > (please CC me on replies). > > I've been in several situations where it would have been helpful to be able > to refresh weak sectors by rewriting the whole md raid component device, > without the need to increase array failure risk through a fail+remove+add > cycle for the component device. > > How difficult would it be to implement a "refresh" as a Linux md driver > sync_action, pigging back on "check" ? > > Are there any drawbacks to write-refreshing component devices? > > -- > "One disk to rule them all, One disk to find them. One disk to bring > them all and in the darkness grind them. In the Land of Redmond > where the shadows lie." -- The Silicon Valley Tarot > Henrique Holschuh > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Best regards, [COOLCOLD-RIPN] -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
