Re: HotSwapping Disks
- From: "Damon L. Chesser" <damon@xxxxxxxxxx>
- Date: Fri, 30 May 2008 10:55:16 -0400
UDP 514 wrote:
I have a server with hot swap disks.I believe partprobe is what you are looking for. Run fdisk/parted makes your changes, write them to disk, exit. Then as root "partprobe" will make the kernel to re-read the partition table. You should then be able to mkfs to your harts content.
I'd like to be able to swap out a non-system disk , eg /dev/sdd and put in a new
disk, partition it in fdisk, then mount those partitions. This all works fine, I can partition it,
but the linux kernel hangs on to the old disk partitions in memory, so I can't mke2fs or mount the newly created partitions, without doing a reboot.
Is there a way to force the kernel re-read the partition tables on a non-system disk?
How do people maintain high uptime, if you need to reboot every time just to see an extra
disk in a hot swap system?
Paul
HTH
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Damon L. Chesser
damon@xxxxxxxxxx
http://www.linkedin.com/in/dchesser
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