Dell PowerVault TL2000 SCSI Reference Guide - Page 16

Initialize, Element, Status

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INITIALIZE ELEMENT STATUS (07h) This command directs the medium changer to check all existing elements for tape cartridges and any status relevant to that element. This command enables the initiator to get a quick response from a Read Element Status command that may follow, and is useful after a power failure, if tape medium has been changed by an operator, or if subsystem configuration has changed. The library shall not return GOOD status until checking of all the elements is complete. Bit 7 6 5 4 3 2 1 0 Byte 0 Operation Code (07h) 1 LUN Reserved 2 Reserved 3 Reserved 4 Reserved 5 Control Field descriptions: 3-2 TL2000 and TL4000 SCSI Reference

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INITIALIZE
ELEMENT
STATUS
(07h)
This
command
directs
the
medium
changer
to
check
all
existing
elements
for
tape
cartridges
and
any
status
relevant
to
that
element.
This
command
enables
the
initiator
to
get
a
quick
response
from
a
Read
Element
Status
command
that
may
follow,
and
is
useful
after
a
power
failure,
if
tape
medium
has
been
changed
by
an
operator,
or
if
subsystem
configuration
has
changed.
The
library
shall
not
return
GOOD
status
until
checking
of
all
the
elements
is
complete.
Bit
7
6
5
4
3
2
1
0
Byte
0
Operation
Code
(07h)
1
LUN
Reserved
2
Reserved
3
Reserved
4
Reserved
5
Control
Field
descriptions:
3-2
TL2000
and
TL4000
SCSI
Reference