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Re: Live dc



Andreas Bihlmaier wrote:

Why is need to mount_mfs in /etc/rc and in /etc/fstab ?

I made bootable cdrom you described.

There is output of df and mount - all filesystems mounted twice (but different in sizes) - is this correct behavior?


openbsd# df Filesystem 1K-blocks Used Avail Capacity Mounted on /dev/cd0a 249976 249976 0 100% / mfs:12881 5631 1 5349 0% /dev mfs:4450 126463 1 120139 0% /tmp mfs:13817 126463 1 120139 0% /var mfs:25494 126463 1 120139 0% /root mfs:18595 126463 1 120139 0% /home mfs:766 62799 2074 57586 3% /etc mfs:28715 24783 5993 17551 25% /var mfs:13657 511 33 453 7% /dev mfs:13714 2959 1 2811 0% /tmp mfs:2250 3951 6 3748 0% /home mfs:25859 3951 5 3749 0% /root

openbsd# mount
/dev/cd0a on / type cd9660 (local, noatime, read-only)
mfs:12881 on /dev type mfs (asynchronous, local, noatime, size=6000 1K-blocks)
mfs:4450 on /tmp type mfs (asynchronous, local, noatime, size=130560 1K-blocks)
mfs:13817 on /var type mfs (asynchronous, local, noatime, size=130560 1K-blocks)


mfs:25494 on /root type mfs (asynchronous, local, noatime, size=130560 1K-blocks
)
mfs:18595 on /home type mfs (asynchronous, local, noatime, size=130560 1K-blocks
)
mfs:766 on /etc type mfs (asynchronous, local, noatime, size=65536 1K-blocks)
mfs:28715 on /var type mfs (asynchronous, local, noatime, nodev, nosuid, size=25
600 1K-blocks)
mfs:13657 on /dev type mfs (asynchronous, local, noatime, size=1024 1K-blocks)
mfs:13714 on /tmp type mfs (asynchronous, local, noatime, nodev, nosuid, size=30
72 1K-blocks)
mfs:2250 on /home type mfs (asynchronous, local, noatime, nodev, nosuid, size=40
96 1K-blocks)
mfs:25859 on /root type mfs (asynchronous, local, noatime, nodev, nosuid, size=4
096 1K-blocks)



--------------------------- /usr/livecd/etc/rc ---------------------------------
# ...
# After:					rm -f /fastboot     # XXX (root now writeable)

echo 'mounting mfs'
mount_mfs -s 51200 -o async,nosuid,nodev,noatime swap /var
mount_mfs -i 4096 -s 6144 -o async,nosuid,nodev,noatime swap /etc
mount_mfs -i 128 -s 2048 -o async,noatime swap /dev
mount_mfs -s 6144 -o async,nosuid,nodev,noatime swap /tmp
mount_mfs -s 8192 -o async,nosuid,nodev,noatime swap /home
mount_mfs -s 8192 -o async,nosuid,nodev,noatime swap /root
----------------------- /usr/livecd/etc/fstab ----------------------------------
/dev/cd0a	/	cd9660 ro,noatime 0 0
/dev/cd0a / cd9660 ro,noatime 0 0
swap /dev mfs rw,noatime,-s=12000 0 0
swap /tmp mfs rw,noatime,-s=262144 0 0
swap /var mfs rw,noatime,-s=262144 0 0
swap /root mfs rw,noatime,-s=262144 0 0
swap /home mfs rw,noatime,-s=262144 0 0
swap /etc mfs rw,noatime,-s=131072 0 0
--------------------------------------------------------------------------------