Hi all,
Just a quick one really; cloning one healthy drive to another healthy drive using ddrescue (was using dd but wanted progress report, have tried various methods but they clash with a nested if statement- long story!)
one drive is 40GB connected internally via IDE, other is 160GB connected via USB to IDE converter cable, not fussed about loosing the extra space on the new drive, just want an exact replica including partition table etc.
so far i tried;
ddrescue -v /dev/hda /dev/sda
which was slow as hell; am now retrying with;
ddrescue -v /dev/hda /dev/sda logfile.log
which i'm yet to see; but what i wanted to know is would i gain any imrovement from playing with the blocksize or clustersize options? And if so, what would be the recommended figures? (both drives are Linux formatted if that helps). Are there any other settings i should know about?
Dear all experts,
I have a p750 Power 7 3.3GHz server with 4 processors and 48GB Memory. This is a DB server which is using Oracle 9i.
I have been told that Oracle 9i can only allocate 10GB as SGA Max to get the oracle optimum performance. Anything more will result in overflow of memory and will... (1 Reply)
AMTAPE(8) System Administration Commands AMTAPE(8)NAME
amtape - Control Amanda changers
SYNOPSIS
amtape [-o configoption...] config subcommand [subcommand_options...]
DESCRIPTION
Amtape is the command-line interface to Amanda's tape changers (amanda-changers(7)) and to the taperscan algorithm (amanda-taperscan(7)).
Tape changers maintain a notion of the current slot for each configuration. This may or may not correspond to an actual physical state of
the device, but is used by some taperscan algorithms to minimize searching through the slots.
Amtape uses the default changer. To use a different changer, use the config override option, e.g., -otpchanger=otherchanger.
SUBCOMMANDS
label label
Search for and load the Amanda tape with label [label], also setting the current slot.
slot slot
Load the volume in the given slot, also setting the current slot. The slot names current, next, first, and last have special meaning.
current
Shorthand for slot current.
inventory
Show the contents of all slots, based on the changer's cached metadata. This is a quick operation as it does not load or unload any
volumes, but is not supported by all changers.
show [slots]
Show the contents of all slots (or listed slots) by loading each slot and reading its label. This can be very slow. The slots arguments
is of the form 1,3-5,7.
reset
Reset the changer to a known state. This subcommand is intended to clear any unknown and potentially incorrect state the changer may
have stored.
eject [drive]
Eject the tape currently in the drive. This only applies to some changers. Specify a drive (by drive number) if more than one drive is
available.
clean [drive]
If a cleaning tape is defined for the changer, used it to clean the specified drive. The [drive] is optional if the changer only has
one drive.
taper
Run the taperscan algorithm (see amanda-taperscan(7)), displaying information about the progress of the scan.
update [what]
Update changer state. Consult amanda-changers(7) for changer-specific details on the format of what.
-o configoption
See the "CONFIGURATION OVERRIDE" section in amanda(8).
SEE ALSO amanda(8), amanda-changers(7), amanda-taperscan(7), amanda-devices(7)
The Amanda Wiki: : http://wiki.zmanda.com/
AUTHORS
Dustin J. Mitchell <dustin@zmanda.com>
Zmanda, Inc. (http://www.zmanda.com)
James da Silva <jds@amanda.org>
Stefan G. Weichinger <sgw@amanda.org>
Amanda 3.3.3 01/10/2013 AMTAPE(8)
