Control: tag -1 +pending On Wed, 2016-06-15 at 13:03 -0600, Andrew Patterson wrote: > For most users this is not an issue. How many systems are going to use > that many LUNs? >
I agree. > One counter-example is using one or more FC LUNs per VM guest on a > host. In such a case, one can just modify /etc/sysctl.conf to increase > the setting. Yes. Most hypervisors may want this. But again, like you said, most users do not map that many LUNs. And recommended practice is to have a VM backed by a file backend mostly. > We can run into problems when using > multipath-tools-boot. In this case, we use the default kernel settings > for aio-max-nr since multipath is run from the initramfs. I have > worked around this by modifying the script in > /usr/share/initramfs/scripts/local-top/multipath to temporarilly set > aio-max-nr to 1048576 while doing discovery. So, I'll just add this to README.Debian. There's not much that we can do beyond documenting such behavior. -- Ritesh Raj Sarraf | http://people.debian.org/~rrs Debian - The Universal Operating System
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