diff options
Diffstat (limited to 'sbin/camcontrol/camcontrol.8')
| -rw-r--r-- | sbin/camcontrol/camcontrol.8 | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/sbin/camcontrol/camcontrol.8 b/sbin/camcontrol/camcontrol.8 index 7163bed..bfaa1bb 100644 --- a/sbin/camcontrol/camcontrol.8 +++ b/sbin/camcontrol/camcontrol.8 @@ -102,10 +102,10 @@ .Op device id .Nm .Ic rescan -.Aq all | bus Ns Op :target:lun +.Aq all | device id | bus Ns Op :target:lun .Nm .Ic reset -.Aq all | bus Ns Op :target:lun +.Aq all | device id | bus Ns Op :target:lun .Nm .Ic defects .Op device id @@ -553,12 +553,20 @@ start bit cleared and the load/eject bit set. .It Ic rescan Tell the kernel to scan all busses in the system (with the .Ar all -argument), the given bus (XPT_SCAN_BUS), or bus:target:lun +argument), the given bus (XPT_SCAN_BUS), bus:target:lun or device (XPT_SCAN_LUN) for new devices or devices that have gone away. The user may specify a scan of all busses, a single bus, or a lun. Scanning all luns on a target is not supported. +.Pp +If a device is specified by peripheral name and unit number, for instance +da4, it may only be rescanned if that device currently exists in the CAM EDT +(Existing Device Table). +If the device is no longer there (see +.Nm +devlist ), +you must use the bus:target:lun form to rescan it. .It Ic reprobe Tell the kernel to refresh the information about the device and notify the upper layer, @@ -568,8 +576,8 @@ the disk size visible to the rest of the system. .It Ic reset Tell the kernel to reset all busses in the system (with the .Ar all -argument) or the given bus (XPT_RESET_BUS) by issuing a SCSI bus -reset for that bus, or to reset the given bus:target:lun +argument), the given bus (XPT_RESET_BUS) by issuing a SCSI bus +reset for that bus, or to reset the given bus:target:lun or device (XPT_RESET_DEV), typically by issuing a BUS DEVICE RESET message after connecting to that device. Note that this can have a destructive impact |
