On Thu, November 19, 2015 4:49 pm, Devin Reade wrote: > --On Thursday, November 19, 2015 11:54:19 AM -0700 Warren Young > <wyml at etr-usa.com> wrote: > >> ?Twas *progress* that made it so, specifically the fact >> that even a throwaway USB key has enough space to hold the complete OS >> on >> it these days. > > For the record, size of the disk was never the original motivation for > keeping / separate, at least within my memory; it was to minimize the > amount of disk space that needed to be fsck'd before bringing the system > to single user mode without needing to revert to "rescue media" Not only. Separation of / /var /usr /home (/var/mail, ...) also was a protection from local user [accidental] denial of service attack by preventing him from filling up or running out of inodes these filesystems. Valeri > (at > that time, the 125MB tape on which the OS was shipped). Even in the days > of > SunOS 3 (that's SunOS, not Solaris) I was installing the entire OS on > one physical drive, partitioned. Sure, NFS and USENET servers had many > drives, but most machines were single drives. > > Beyond that, I don't really want to get into a flame war on stuff > that has been hashed through before. > > The main message is that while CentOS 6 and before *could* have > / and /usr on different filesystems, don't do it with CentOS 7 > per <https://access.redhat.com/solutions/53005> (paywalled). > TL;DR: you'll have trouble booting some configurations including > those using iSCSI. > > Devin > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos > ++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++