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charset="us-ascii" Content-Transfer-Encoding: 7bit On Wed, 2022-08-17 at 14:39 +0200, Martin Wilck wrote: > "multipath -U" is > already quite well optimized, but it needs to do some I/O to complete > it's work, thus it takes a few milliseconds to run. > > IOW, it would be misleading to point at multipath. This is what I thought. I had another look today, and I found that the case of a very large "multipath.conf" file is indeed not well optimized. I just sent a patch set to dm-devel ("multipath: optimizations for large mptable") which should the issue discussed in this thread on the multipath side. The pvmove / watch problem could still deserve some attention, but the urgency should be much lower. Martin _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://listman.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/