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Use quote tags where needed. While I'm there: addition of some

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Marc Fonvieille 2003-01-26 12:51:14 +00:00
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en_US.ISO8859-1/books/handbook/disks/chapter.sgml
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@ -1265,15 +1265,15 @@ scsibus1:
x 12 mm) than 8mm cartridges. 4mm, like 8mm, has comparatively short
head life for the same reason, both use helical scan.</para>
<para>Data throughput on these drives starts ~150kB/s, peaking at ~500kB/s.
Data capacity starts at 1.3 GB and ends at 2.0 GB. Hardware
<para>Data throughput on these drives starts ~150&nbsp;kB/s, peaking at ~500&nbsp;kB/s.
Data capacity starts at 1.3&nbsp;GB and ends at 2.0&nbsp;GB. Hardware
compression, available with most of these drives, approximately
doubles the capacity. Multi-drive tape library units can have 6
drives in a single cabinet with automatic tape changing. Library
capacities reach 240 GB.</para>
capacities reach 240&nbsp;GB.</para>
<para>The DDS-3 standard now supports tape capacities up to 12 GB (or
24 GB compressed).</para>
<para>The DDS-3 standard now supports tape capacities up to 12&nbsp;GB (or
24&nbsp;GB compressed).</para>
<para>4mm drives, like 8mm drives, use helical-scan. All the benefits
and drawbacks of helical-scan apply to both 4mm and 8mm drives.</para>
@ -1290,21 +1290,21 @@ scsibus1:
</indexterm>
<para>8mm tapes are the most common SCSI tape drives; they are the best
choice of exchanging tapes. Nearly every site has an Exabyte 2 GB 8mm
choice of exchanging tapes. Nearly every site has an Exabyte 2&nbsp;GB 8mm
tape drive. 8mm drives are reliable, convenient and quiet. Cartridges
are inexpensive and small (4.8 x 3.3 x 0.6 inches; 122 x 84 x 15 mm).
One downside of 8mm tape is relatively short head and tape life due to
the high rate of relative motion of the tape across the heads.</para>
<para>Data throughput ranges from ~250kB/s to ~500kB/s. Data sizes start
at 300 MB and go up to 7 GB. Hardware compression, available with
<para>Data throughput ranges from ~250&nbsp;kB/s to ~500&nbsp;kB/s. Data sizes start
at 300&nbsp;MB and go up to 7&nbsp;GB. Hardware compression, available with
most of these drives, approximately doubles the capacity. These
drives are available as single units or multi-drive tape libraries
with 6 drives and 120 tapes in a single cabinet. Tapes are changed
automatically by the unit. Library capacities reach 840+ GB.</para>
automatically by the unit. Library capacities reach 840+&nbsp;GB.</para>
<para>The Exabyte <quote>Mammoth</quote> model supports 12 GB on one tape
(24 GB with compression) and costs approximately twice as much as
<para>The Exabyte <quote>Mammoth</quote> model supports 12&nbsp;GB on one tape
(24&nbsp;GB with compression) and costs approximately twice as much as
conventional tape drives.</para>
<para>Data is recorded onto the tape using helical-scan, the heads are
@ -1323,7 +1323,7 @@ scsibus1:
</indexterm>
<para>QIC-150 tapes and drives are, perhaps, the most common tape drive
and media around. QIC tape drives are the least expensive "serious"
and media around. QIC tape drives are the least expensive <quote>serious</quote>
backup drives. The downside is the cost of media. QIC tapes are
expensive compared to 8mm or 4mm tapes, up to 5 times the price per GB
data storage. But, if your needs can be satisfied with a half-dozen
@ -1339,8 +1339,8 @@ scsibus1:
also use 1/4" wide tape are discussed separately. Tape libraries and
changers are not available.</para>
<para>Data throughput ranges from ~150kB/s to ~500kB/s. Data capacity
ranges from 40 MB to 15 GB. Hardware compression is available on many
<para>Data throughput ranges from ~150&nbsp;kB/s to ~500&nbsp;kB/s. Data capacity
ranges from 40&nbsp;MB to 15&nbsp;GB. Hardware compression is available on many
of the newer QIC drives. QIC drives are less frequently installed;
they are being supplanted by DAT drives.</para>
@ -1373,20 +1373,20 @@ scsibus1:
cartridge (4 x 4 x 1 inches; 100 x 100 x 25 mm). The cartridge has a
swinging gate along one entire side of the cartridge. The drive
mechanism opens this gate to extract the tape leader. The tape leader
has an oval hole in it which the drive uses to "hook" the tape. The
has an oval hole in it which the drive uses to <quote>hook</quote> the tape. The
take-up spool is located inside the tape drive. All the other tape
cartridges listed here (9 track tapes are the only exception) have
both the supply and take-up spools located inside the tape cartridge
itself.</para>
<para>Data throughput is approximately 1.5MB/s, three times the throughput of
4mm, 8mm, or QIC tape drives. Data capacities range from 10 GB to 20 GB
<para>Data throughput is approximately 1.5&nbsp;MB/s, three times the throughput of
4mm, 8mm, or QIC tape drives. Data capacities range from 10&nbsp;GB to 20&nbsp;GB
for a single drive. Drives are available in both multi-tape changers
and multi-tape, multi-drive tape libraries containing from 5 to 900
tapes over 1 to 20 drives, providing from 50 GB to 9 TB of
tapes over 1 to 20 drives, providing from 50&nbsp;GB to 9&nbsp;TB of
storage.</para>
<para>With compression, DLT Type IV format supports up to 70 GB
<para>With compression, DLT Type IV format supports up to 70&nbsp;GB
capacity.</para>
<para>Data is recorded onto the tape in tracks parallel to the direction
@ -1403,7 +1403,7 @@ scsibus1:
<secondary>AIT</secondary>
</indexterm>
<para>AIT is a new format from Sony, and can hold up to 50 GB (with
<para>AIT is a new format from Sony, and can hold up to 50&nbsp;GB (with
compression) per tape. The tapes contain memory chips which retain an
index of the tape's contents. This index can be rapidly read by the
tape drive to determine the position of files on the tape, instead of