[dm-devel] online disk resizing
Roland Mieslinger
roland.mieslinger at interoute.com
Thu Jul 5 07:31:19 UTC 2007
I did the same with HP MSA in the past, but without dm involved.
You can use "blockdev --rereadpt <blockdevice>" to make the the kernel
recognise the new disk size (geometery). The nasty thing is that you
have to stop all I/O to the blocdevice.
Roland Mieslinger
> -----Original Message-----
> From: dm-devel-bounces at redhat.com
> [mailto:dm-devel-bounces at redhat.com] On Behalf Of Alexander Benaguev
> Sent: Mittwoch, 4. Juli 2007 19:17
> To: dm-devel at redhat.com
> Subject: [dm-devel] online disk resizing
>
> hi, list
>
> I have fc-based SAN which has ability to resizing logical
> disks online (IBM DS4000). is this a method tell about
> resizing to host system (centOS 5) without reboot or echo
> "scsi remove(add)-single-device 0 1 2 3"? I use multipath if
> this matters. will apprecate any help
>
> alexander
>
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