The previous command should be: cat /sys/block/md127/md/component_size in order to match the device in question. You previously used "mdadm --details /dev/md127".
The following site describes a similar problem to the one you are having. The very end of that page has some suggestions that I suspect might be useful. http://serverfault.com/questions/320310/how-to-resize-raid1-array-with-mdadm It goes without saying, that messing with your array (especially a fragile RAID 5 or RAID 0) is dangerous. You should backup your data if you have not already before proceeding. On Thu, Sep 26, 2013 at 12:16 PM, Andrew Robinson <and...@boohahaonline.com>wrote: > ** > > The first did not return anything, the second returned the following > 2147352064 > > > > -----Original message----- > *From:* Dan Graham <graha...@gmail.com> > *Sent:* Thursday 26th September 2013 12:13 > *To:* CLUG General <clug-talk@clug.ca> > *Subject:* Re: [clug-talk] software raid question > > Hi Andrew, could you post the output from the following please? > > > # cd /sys/block/md0/md > # cat component_size > > > > On Thu, Sep 26, 2013 at 12:03 PM, Andrew Robinson < > and...@boohahaonline.com> wrote: > >> ** >> >> No, it is just used for storage. I am booting off a separate SSD >> >> >> -----Original message----- >> *From:* Dan Graham <graha...@gmail.com> >> *Sent:* Thursday 26th September 2013 11:37 >> *To:* CLUG General <clug-talk@clug.ca> >> *Subject:* Re: [clug-talk] software raid question >> >> Hi Andrew, are you using the raid for boot and root? >> >> >> On Thu, Sep 26, 2013 at 7:52 AM, Andrew Robinson < >> and...@boohahaonline.com> wrote: >> >>> Hey has anyone run into issues with trying to grow a Linux software >>> raid? I’ve just finished syncing all of my data from 3x2TB (in raid 5) to >>> 3x3TB (still raid 5). The raid array should show a capacity of approx. 5.5 >>> TB, but instead shows only 4. I’ve tried re running the mdadm –grow >>> command but with no success. Is there are a hard limit to the size of the >>> array in Linux?**** >>> >>> ** ** >>> >>> I should mention that each of these drives are formatted as GTP drives, >>> with 1 partition of type FD that consumes the entire 2.79 TB of space on >>> each drive.**** >>> >>> ** ** >>> >>> I’ve been using he instructions located at >>> https://raid.wiki.kernel.org/index.php/Growing#Expanding_existing_partitionsif >>> anyone is curious to what I’ve done so far >>> **** >>> >>> _______________________________________________ >>> clug-talk mailing list >>> clug-talk@clug.ca >>> http://clug.ca/mailman/listinfo/clug-talk_clug.ca >>> Mailing List Guidelines (http://clug.ca/ml_guidelines.php) >>> **Please remove these lines when replying >>> >> >> >> >> -- >> One thing you can be sure of. If you throw a loaded gun in a monkey cage, >> something bad is going to happen. >> >> _______________________________________________ >> >> clug-talk mailing list >> clug-talk@clug.ca >> http://clug.ca/mailman/listinfo/clug-talk_clug.ca >> >> Mailing List Guidelines (http://clug.ca/ml_guidelines.php) >> >> **Please remove these lines when replying >> >> >> _______________________________________________ >> clug-talk mailing list >> clug-talk@clug.ca >> http://clug.ca/mailman/listinfo/clug-talk_clug.ca >> Mailing List Guidelines (http://clug.ca/ml_guidelines.php) >> **Please remove these lines when replying >> > > > > -- > One thing you can be sure of. If you throw a loaded gun in a monkey cage, > something bad is going to happen. > > _______________________________________________ > > clug-talk mailing list > clug-talk@clug.ca > http://clug.ca/mailman/listinfo/clug-talk_clug.ca > > Mailing List Guidelines (http://clug.ca/ml_guidelines.php) > > **Please remove these lines when replying > > > _______________________________________________ > clug-talk mailing list > clug-talk@clug.ca > http://clug.ca/mailman/listinfo/clug-talk_clug.ca > Mailing List Guidelines (http://clug.ca/ml_guidelines.php) > **Please remove these lines when replying >
_______________________________________________ clug-talk mailing list clug-talk@clug.ca http://clug.ca/mailman/listinfo/clug-talk_clug.ca Mailing List Guidelines (http://clug.ca/ml_guidelines.php) **Please remove these lines when replying