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| author | Douglas Gilbert <dgilbert@interlog.com> | 2007-06-27 02:41:23 +0000 |
|---|---|---|
| committer | Douglas Gilbert <dgilbert@interlog.com> | 2007-06-27 02:41:23 +0000 |
| commit | 8bd276c9b79265c508d29c43e029df034c7f7987 (patch) | |
| tree | dbb644365f13abffa52e49ab57ea52fc45947b84 /README.sg_start | |
| parent | 3afa50f47b9af629ea07c4876fc013d4080d0eab (diff) | |
| download | sg3_utils-8bd276c9b79265c508d29c43e029df034c7f7987.tar.gz | |
Load sg3_utils-0.94 into trunk/.
git-svn-id: https://svn.bingwo.ca/repos/sg3_utils/trunk@12 6180dd3e-e324-4e3e-922d-17de1ae2f315
Diffstat (limited to 'README.sg_start')
| -rw-r--r-- | README.sg_start | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/README.sg_start b/README.sg_start new file mode 100644 index 00000000..76251cf5 --- /dev/null +++ b/README.sg_start @@ -0,0 +1,29 @@ +Hi, + +you can use sg_start to start (spin-up, 1) and stop (spin-down, 0) devices. +I also offers a parameter (-s) to send a synchronize cache command to a +device, so it should write back its internal buffers to the medium. + +Be aware that the Linux SCSI subsystem at this time does not autmatically +starts stopped devices, so stopping a device which is in use may have fatal +results for you. + +So, you should apply with care. +I use it in my shutdown script at the end (before the poweroff command): + +# SG_SHUG_NOS is set in my config file rc.config +# SG_SHUT_NOS="0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15" +if test -x /bin/sg_start; then + if test "`basename $command`" = "reboot"; then + for no in $SG_SHUT_NOS; + do /bin/sg_start /dev/sg$no -s >/dev/null 2>&1; + done + else + for no in $SG_SHUT_NOS; + do /bin/sg_start /dev/sg$no -s 0 >/dev/null 2>&1; + done + fi +fi + +Enjoy! + Kurt Garloff <garloff@suse.de> |