diff options
Diffstat (limited to 'Documentation/aoe/aoe.txt')
-rw-r--r-- | Documentation/aoe/aoe.txt | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/Documentation/aoe/aoe.txt b/Documentation/aoe/aoe.txt index 1212987a30fa..3a4dbe4663c9 100644 --- a/Documentation/aoe/aoe.txt +++ b/Documentation/aoe/aoe.txt | |||
@@ -4,6 +4,16 @@ The EtherDrive (R) HOWTO for users of 2.6 kernels is found at ... | |||
4 | 4 | ||
5 | It has many tips and hints! | 5 | It has many tips and hints! |
6 | 6 | ||
7 | The aoetools are userland programs that are designed to work with this | ||
8 | driver. The aoetools are on sourceforge. | ||
9 | |||
10 | http://aoetools.sourceforge.net/ | ||
11 | |||
12 | The scripts in this Documentation/aoe directory are intended to | ||
13 | document the use of the driver and are not necessary if you install | ||
14 | the aoetools. | ||
15 | |||
16 | |||
7 | CREATING DEVICE NODES | 17 | CREATING DEVICE NODES |
8 | 18 | ||
9 | Users of udev should find the block device nodes created | 19 | Users of udev should find the block device nodes created |
@@ -33,19 +43,17 @@ USING DEVICE NODES | |||
33 | "cat /dev/etherd/err" blocks, waiting for error diagnostic output, | 43 | "cat /dev/etherd/err" blocks, waiting for error diagnostic output, |
34 | like any retransmitted packets. | 44 | like any retransmitted packets. |
35 | 45 | ||
36 | The /dev/etherd/interfaces special file is obsoleted by the | ||
37 | aoe_iflist boot option and module option (and its sysfs entry | ||
38 | described in the next section). | ||
39 | "echo eth2 eth4 > /dev/etherd/interfaces" tells the aoe driver to | 46 | "echo eth2 eth4 > /dev/etherd/interfaces" tells the aoe driver to |
40 | limit ATA over Ethernet traffic to eth2 and eth4. AoE traffic from | 47 | limit ATA over Ethernet traffic to eth2 and eth4. AoE traffic from |
41 | untrusted networks should be ignored as a matter of security. | 48 | untrusted networks should be ignored as a matter of security. See |
49 | also the aoe_iflist driver option described below. | ||
42 | 50 | ||
43 | "echo > /dev/etherd/discover" tells the driver to find out what AoE | 51 | "echo > /dev/etherd/discover" tells the driver to find out what AoE |
44 | devices are available. | 52 | devices are available. |
45 | 53 | ||
46 | These character devices may disappear and be replaced by sysfs | 54 | These character devices may disappear and be replaced by sysfs |
47 | counterparts, so distribution maintainers are encouraged to create | 55 | counterparts. Using the commands in aoetools insulates users from |
48 | scripts that use these devices. | 56 | these implementation details. |
49 | 57 | ||
50 | The block devices are named like this: | 58 | The block devices are named like this: |
51 | 59 | ||
@@ -69,7 +77,8 @@ USING SYSFS | |||
69 | through which we are communicating with the remote AoE device. | 77 | through which we are communicating with the remote AoE device. |
70 | 78 | ||
71 | There is a script in this directory that formats this information | 79 | There is a script in this directory that formats this information |
72 | in a convenient way. | 80 | in a convenient way. Users with aoetools can use the aoe-stat |
81 | command. | ||
73 | 82 | ||
74 | root@makki root# sh Documentation/aoe/status.sh | 83 | root@makki root# sh Documentation/aoe/status.sh |
75 | e10.0 eth3 up | 84 | e10.0 eth3 up |
@@ -100,9 +109,9 @@ USING SYSFS | |||
100 | sysfs entry can be read from as well as written to. | 109 | sysfs entry can be read from as well as written to. |
101 | 110 | ||
102 | It's helpful to trigger discovery after setting the list of allowed | 111 | It's helpful to trigger discovery after setting the list of allowed |
103 | interfaces. If your distro provides an aoe-discover script, you can | 112 | interfaces. The aoetools package provides an aoe-discover script |
104 | use that. Otherwise, you can directly use the /dev/etherd/discover | 113 | for this purpose. You can also directly use the |
105 | file described above. | 114 | /dev/etherd/discover special file described above. |
106 | 115 | ||
107 | DRIVER OPTIONS | 116 | DRIVER OPTIONS |
108 | 117 | ||