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Re: [Xen-users] Handling virtual disks on Xen
- To: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
- From: "Grant McWilliams" <grantmasterflash@xxxxxxxxx>
- Date: Mon, 7 Jul 2008 19:00:40 -0700
- Cc: Andy Burns <lists.xensource.com@xxxxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx, Javier Guerra Giraldez <javier@xxxxxxxxxxx>
- Delivery-date: Mon, 07 Jul 2008 19:01:16 -0700
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On Mon, Jul 7, 2008 at 6:38 PM, James Harper < james.harper@xxxxxxxxxxxxxxxx> wrote:
> On Monday 07 July 2008, James Harper wrote:
> > Even if it did, can Linux handle it anyway? I added a disk to a RAID
> > array recently and while I could use fdisk to add a new partition, I
had
> > to reboot before Linux could use it.
>
> partprobe
>
re-read the partition table? This is exactly what fdisk does, but it
fails if the disk is already in use, which is the case we are discussing
here.
table by using it. Very rarely will partprobe not update the partition table list in the kernel. It's been a godsend. On the other hand you can go
back in and edit a disk with fdisk after already previously editing it but you won't be able to format the partitions without using partprobe or rebooting.
Grant
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