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Add the LTO-8 Type M density code (0x5d, LTO-8M) to libmt and the

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mt(1) man page.

LTO-8 Type M (also known as M8) is a pristine LTO-7 cartridge
formatted in a LTO-8 drive in a new, higher density format.  It
has a separate density code, and is only readable in an LTO-8
drive.

lib/libmt/mtlib.c:
	Add the LTO-8 Type M density code to the density table
	in libmt.

usr.bin/mt/mt.1:
	Add the LTO-8 Type M density code to the density
	table in the mt(1) man page.

MFC after:	3 days
Sponsored by:	Spectra Logic
This commit is contained in:
Kenneth D. Merry 2017-11-03 21:04:22 +00:00
parent 28a6adde1d
commit 70a8349311
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=325371
2 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
lib/libmt/mtlib.c
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@ -645,6 +645,7 @@ static struct densities {
{ 0x58, 15142, 384607, "LTO-5" },
{ 0x5A, 15142, 384607, "LTO-6" },
{ 0x5C, 19107, 485318, "LTO-7" },
{ 0x5D, 19107, 485318, "LTO-M8" },
{ 0x5E, 20669, 524993, "LTO-8" },
{ 0x71, 11800, 299720, "3592A1 (encrypted)" },
{ 0x72, 11800, 299720, "3592A2 (encrypted)" },

7
usr.bin/mt/mt.1
View File

@ -29,7 +29,7 @@
.\" @(#)mt.1 8.1 (Berkeley) 6/6/93
.\" $FreeBSD$
.\"
.Dd August 11, 2017
.Dd November 3, 2017
.Dt MT 1
.Os
.Sh NAME
@ -522,6 +522,7 @@ Value Width Tracks Density Code Type Reference Note
0x58 12.7 (0.5) 1280 15,142 (384,607) C LTO-5
0x5A 12.7 (0.5) 2176 15,142 (384,607) C LTO-6
0x5C 12.7 (0.5) 3584 19,107 (485,318) C LTO-7
0x5D 12.7 (0.5) 5376 19,107 (485,318) C LTO-M8 14
0x5E 12.7 (0.5) 6656 20,669 (524,993) C LTO-8
0x71 12.7 (0.5) 512 11,800 (299,720) C 3592A1 (encrypted)
0x72 12.7 (0.5) 896 11,800 (299,720) C 3592A2 (encrypted)
@ -565,6 +566,10 @@ NOTES
12. This is Exabyte 8500 uncompressed format. The compressed format
density code is 0x8c.
13. This density code (0x48) was also used for DAT-160.
14. Officially known as LTO-8 Type M, abbreviated M8. This is a pristine
LTO-7 cartridge initialized with a higher density format by an LTO-8
drive. It cannot be read by an LTO-7 drive. Uncompressed capacity
is 9TB, compared to 6TB for LTO-7 and 12TB for LTO-8.
.Ed
.Bd -literal -offset 2n
NOTE ON QIC STREAMERS