12-30-2008
Creating a partition....???
I have created a pool named earthpool using zpool command. Later I created a file system named earth using zfs command. I changed the mountpoint of earth (file system) using
zfs set mountpoint=/earth earthpool/earth.
Where /earth is a directory created in root using mkdir.
Now, I have a partition with the name earth.
Am I correct in creating the partition ? Below are the details of the result got by using the commands
root@mylodon # zpool create earthpool raidz2 c0t0d0 c1t0d0 c4t0d0 c6t0d0 c7t0d0 c0t1d0 c0t2d0 c0t3d0 c0t4d0 c0t5d0 c0t6d0 c0t7d0
root@mylodon # zpool list
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
earthpool 10.9T 189K 10.9T 0% ONLINE -
zfs create earthpool/earth
root@mylodon # zfs list
NAME USED AVAIL REFER MOUNTPOINT
earthpool 224K 8.87T 63.4K /earthpool
earthpool/earth 60.9K 8.87T 60.9K /earthpool/earth
root@mylodon # zfs get mountpoint earthpool/earth
NAME PROPERTY VALUE SOURCE
earthpool/earth mountpoint /earthpool/earth default
root@mylodon # mkdir /earth
zfs set mountpoint=/earth earthpool/earth
root@mylodon # zfs list
NAME USED AVAIL REFER MOUNTPOINT
earthpool 231K 8.87T 60.9K /earthpool
earthpool/earth 60.9K 8.87T 60.9K /earth
Thank you
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ASTRO(7) Miscellaneous Information Manual ASTRO(7)
NAME
astro - print astronomical information
SYNOPSIS
astro [ -dlepsatokm ] [ -cn ]
DESCRIPTION
Astro reports upcoming celestial events, by default for 24 hours starting now. The options are:
d Read the starting date. A prompt gives the input format.
l Read the north latitude, west longitude, and elevation of the observation point. A prompt gives the input format. If l is missing,
the initial position is read from the file /lib/sky/here.
c Report for n (default 1) successive days.
e Report fractional overlap during eclipses.
p Print the positions of objects at the given time rather than searching for interesting conjunctions. For each, the name is followed
by the right ascension (hours, minutes, seconds), declination (degrees, minutes, seconds), azimuth (degrees), elevation (degrees),
and semidiameter (arc minutes). For the sun and moon, the magnitude is also printed.
s Print output in English words suitable for speech synthesizers.
a Include a list of artificial earth satellites for interesting events. (There are no orbital elements for the satellites, so this
option is not usable.)
t Read /T from standard input. /T is the difference between ephemeris and universal time (seconds) due to the slowing of the
earth's rotation. /T is normally calculated from an empirical formula. This option is needed only for very accurate timing of
occultations, eclipses, etc.
o Search for stellar occultations.
k Print times in local time (`kitchen clock') as described in the timezone environment variable.
m Includes a single comet in the list of objects. This is modified (in the source) to refer to an approaching comet but in steady
state usually refers to the last interesting comet (currently Levy, 1990c).
FILES
/lib/sky/estartab
ecliptic star data
/lib/sky/here
default latitude (N), longitude (W), and elevation (meters)
SOURCE
/sys/src/cmd/astro
SEE ALSO
scat(7)
BUGS
The k option reverts to GMT outside of 1970-2036.
ASTRO(7)