Re: The definitive guide to replacing a disk in raid1?

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On 26. 12. 21 04:20, Sam Varshavchik wrote:
cen writes:

On 25. 12. 21 01:16, Sam Varshavchik wrote:
cen writes:

# copy partition map from good disk to new disk
sfdisk -d /dev/sde | sfdisk /dev/sdd

This only works if the new disk is identical to the old one, geometry-wise.

Otherwise you can simply create partitions of the same size using parted, on the new drive.

By geometry you mean block size or something more?

Both block size and the actual size of the disk.

I did this from 300GB (single partition) disk to a 1TB disk (same block size) and it created a 300GB partition with start/end blocks and all flags identical.

I might need to take a closer look but it seems to be fine.
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