On 31 July 2011 19:25, Johannes Truschnigg <johannes@xxxxxxxxxxxxxxx> wrote: > Hi Mathias, > > PLEASE don't always quote everything you've just written a few minutes > ago when replying to yourself. This makes these responses really, really > inconvenient to read. > > Concerning your problem at hand: Don't panic, everything should be fine. > Your RAID did what it is supposed to do: protect your from a single > drive failure without inducing downtime. A disk has failed, and now it's > time to replace it, that's nothing out of the ordinary. You don't need > to shut down your system - RAID systems have "no service interruption in > case of an accident" as a design goal, and md is rather good at meeting > just that. > > If your SATA controller supports hotplug (and if it's SATA-300, that > much is for certain), just unplug the old drive, replace it with a new > one, clone your partition table setup (if any) from an old driver to the > new one, have md pick up the disk and integrate it into your array, and > see how everything'll be taken care of automatically. md will resync the > array once the new disk is part of the array, and it will be smooth > sailing again afterwards. Just make sure you don't pull out the wrong > drive, but correctly identify the broken one. ;) > > While the array's being worked on, you can do whatever you intended to > do with your seemingly healthy array from of a few hours ago - the only > difference it that (some) things will go slower, but that's about it. > The only serious problem you could run into is a second and third > harddrive failing while your array isn't 100% OK again yet - but even in > that case, you'd have a backup ready, now wouldn't you? :) > > > -- > with best regards: > - Johannes Truschnigg ( johannes@xxxxxxxxxxxxxxx ) > > www: http://johannes.truschnigg.info/ > phone: +43 650 2 133337 > xmpp: johannes@xxxxxxxxxxxxxxx > > Please do not bother me with HTML-eMail or attachments. Thank you. > > Sorry about that! No I don't have a backup ;), perhaps it's time to get one. This isn't super important data, more like "nice to have". I don't have any hotplug bays or anything like that (you'll see in a while after I put up the pictures) so I shut down the system to take the faulty HDD out. Is it wise to run a check on the array while it's degraded by 1 HDD? Thanks again, /Mathias -- 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
