On Tue, Feb 05, 2002 at 05:19:49PM +0100, Anders Peter Fugmann wrote:
> Hi.
>
> I have a raid1 system running in degraded mode.
> Now that I have retrieved my 2. disc, I wanted to add it to the raid
> (kind of the reason for me to run raid1).
>
> I have tried to run 'raidhotadd' but is complains:
>
> rootOgw:~H raidhotadd /dev/md/4 /dev/ide/host0/bus0/target1/lun0/part5
> /dev/md/4: can not hot-add disk: too small disk!
>
> I dont know excatly what this error is, but I guess it thinks that the
> partition that i try to add is too small, though it has excatly the same
> size af the existing one running raid1.
Are you sure it's really "exactly" the same size ? If the disks have different
geometries it's common to get a partition that's slightly smaller than what
you might expect.
Try double-checking the sizes (fdisk -l on both disks)
>
> Does the new partrition need to be larger than the existing one? - this
> seems very strange....
The same size should do.
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