This is one reason why I keep saying we should do more with FBA and less with CKD. But I'll defer that to a separate note.
When 'resize2fs' sees a block device with more space than the filesystem consumes, it simply changes the counts in the master inode (and/or whatever other magic it manages). With CKD, the new space must be blocked. Gotta have a bunch of 4K, not empty cylinders. You say "the new 3390". Did you DDR the old onto the first part of the new disk? If not, do so. What I mean is, CMS FORMAT the new volume, and then DDR the existing disk onto the start. CMS FORMAT (of CKD) does both _high level_ (the CMS EDF filesystem, which you'll discard) and _low level_ (the blocks). That way, the new space out there will all be wonderfully pre-blocked. Yay! THEN again try 'fdisk' on the new disk. The trick of deleting the partition and creating a new one is exactly how I would do it. Just be careful that the new partition starts at exactly the same offset as the old one. Then when you have the lovely new partition of the size you're after, again run 'resize2fs' on it. It should "just work". I really hope this helps. -- R; <>< On 8/29/24 1:17 PM, Mark Pace wrote:
I'm looking for a way to increase the size of my root filesystem. I want to copy it from a 3390-mod9 10017 cyls to a 3390-mod27 32760 cyls. It has an EXT4 filesystem. I tried to use the same procedure I used with a Ubunto PC new disk. fdisk deleted the partition add a new partition with all the new space resize2fs But when I fdisk the new 3390 - it says no partitions exist. I tried to resize2fs - it says, nothing to do. Is there a procedure to accomplish this?
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