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| author | Douglas Gilbert <dgilbert@interlog.com> | 2010-07-06 02:37:25 +0000 |
|---|---|---|
| committer | Douglas Gilbert <dgilbert@interlog.com> | 2010-07-06 02:37:25 +0000 |
| commit | 03cc4d829a4d56ce2aa289ec0b7b6db00319589c (patch) | |
| tree | e21755b3ce5662d0a7be1aa65443e3dd3283587f /doc/sg_start.8 | |
| parent | 200de6f6a8e0e9311d76df776534696a398f239f (diff) | |
| download | sg3_utils-03cc4d829a4d56ce2aa289ec0b7b6db00319589c.tar.gz | |
sg_write_same: fall back to Read capacity 10 if RCAP 16 fails
git-svn-id: https://svn.bingwo.ca/repos/sg3_utils/trunk@346 6180dd3e-e324-4e3e-922d-17de1ae2f315
Diffstat (limited to 'doc/sg_start.8')
| -rw-r--r-- | doc/sg_start.8 | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/doc/sg_start.8 b/doc/sg_start.8 index d3e03203..11f6fa84 100644 --- a/doc/sg_start.8 +++ b/doc/sg_start.8 @@ -1,4 +1,4 @@ -.TH SG_START "8" "February 2010" "sg3_utils\-1.29" SG3_UTILS +.TH SG_START "8" "July 2010" "sg3_utils\-1.30" SG3_UTILS .SH NAME sg_start \- send SCSI START STOP UNIT command to start, stop, load or eject medium @@ -152,6 +152,13 @@ In the 2.4 series of Linux kernels the \fIDEVICE\fR must be a SCSI generic (sg) device. In the 2.6 series block devices (e.g. SCSI disks and DVD drives) can also be specified. For example "sg_start 0 /dev/sda" will work in the 2.6 series kernels. +.PP +In the Linux 2.6 series, especially with ATA disks, using this utility +to stop (spin down) a disk may not be sufficient and other mechanisms +will start the disk again some time later. The user might additionally +mark the disk as "offline" with 'echo offline > /sys/block/sda/device/state' +where sda is the block name of the disk. To restart the disk "offline" +can be replaced with "running". .SH EXIT STATUS The exit status of sg_start is 0 when it is successful. Otherwise see the sg3_utils(8) man page. |