Odhiambo Washington wrote:
It was written to the last disk you mounted. When you mount a disk, itHello Gang!
On FreeBSD 5.3-RELEASE, we have mounted slices as follows:
-bash-2.05b$ mount /dev/ad0s3a on / (ufs, local) devfs on /dev (devfs, local) /dev/ad0s3e on /tmp (ufs, local, soft-updates) /dev/ad0s3f on /usr (ufs, local, soft-updates) /dev/ad0s3d on /var (ufs, local, soft-updates) devfs on /var/named/dev (devfs, local) /dev/ad0s5 on /drive_d (msdosfs, local) /dev/ad3s1d on /tmp (ufs, local, soft-updates)
/dev/ad0s3e was 500MB /dev/ad3s1d was 40GB
In /etc/fstab, we specified the mount point for both to /tmp.
We then wrote a 1GB file to /tmp and there was no error. The file was successfully written.
Can an expert with disks tell me where the file was written? How did the system decide where to write the file? How did it "select" /tmp in this case?
replaces whatever was mounted there previously. At least, that's what
the mount docs say, I didn't actually try to test it. If you do a df it should
show that /tmp has the capacity of the last drive you mounted there. Try mounting the 40GB drive first and then the 500 MB drive and
run your test again.
Linux guys have talked about "disk spanning" using the method we just tested. I am wondering the dangers I face doing such a thing!!
If you want to span disks, take a look at gconcat(8) or vinum(8). gconcat replaces an older utility I don't remember the name of at the moment.
Happy Easter to ye all!!
-Wash
- Bob
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