On Jan 20, 2008, at 1:21 PM, Steve Fairbairn wrote:

So the device I was trying to add was about 22 blocks too small. Taking
Neils suggestion and looking at /proc/partitions showed this up
incredibly quickly.

Always leave a little space in the end; it makes sure you don't run into that particular problem when you replace disks and the end of the disk is often significantly slower anyway.

From before the write-intent bitmap stuff I have/had a habit of creating separate raids on relatively small partitions (joined together by LVM). I'd just pick a fixed size (on 500GB disks I'd use 90GB per partition for example) and create however many partitions would fit like that and leave the end for scratch space / experiments / whatever.


 - ask

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