John, don't hijack the thread. Post your question in a separate email. On Fri, Mar 12, 2010 at 7:54 PM, John Robinson <john.robinson@xxxxxxxxxxxxxxxx> wrote: > On 12/03/2010 15:18, Jon Hardcastle wrote: >> >> >> --- On Fri, 12/3/10, Asdo <asdo@xxxxxxxxxxxxx> wrote: >> >>> From: Asdo <asdo@xxxxxxxxxxxxx> >>> Subject: Reshaping the length of devices >>> To: "linux-raid" <linux-raid@xxxxxxxxxxxxxxx> >>> Date: Friday, 12 March, 2010, 15:15 >>> I am wondering... is it possible to >>> reshape the length of the underlying devices with MD raid? >>> >>> I mean like in the case one buys larger disks: after moving >>> the raid partitions to the new disks half of them is still >>> free. So one might want to extend the raid partitions to the >>> end of the disks instead of creating another array in the >>> free space. >>> >>> I have searched the linux-raid mailing list history but I >>> couldn't find this topic. >>> >>> Thanks in advance >> >> As long as the size of ALL underlying devices have increased you can >> --grow=MAX to the a multiple of the now smallest drive. > > Hmm, that reminds me I was meaning to ask - before I have to go to a > customer's premises and try it - if I have a CentOS 5 system with 0.90 > metadata and type fd partitions with RAID-5 over 3 discs, and I want to grow > it by replacing the drives, if I dd small partitions onto larger ones and > reboot, will the system recognise the RAID-5 - which now has its metadata > somewhere in the middle of the paritions not at the end - so that I can then > --grow? > > Cheers, > > John. > -- > 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 > -- Majed B. -- 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
