Editing /usr/bin/rescan-scsi-bus.sh

<code>rescan-scsi-bus.sh</code><ref>https://github.com/hreinecke/sg3_utils/blob/master/scripts/rescan-scsi-bus.sh</ref> included in <code>[[sg3-utils]]</code> package.
:<code>rescan-scsi-bus.sh -h</code> 

<pre>
rescan-scsi-bus.sh --alltargets or rescan-scsi-bus.sh -a
...
...
32 new or changed device(s) found.
0 remapped or resized device(s) found.
0 device(s) removed.
</pre>

<pre>
rescan-scsi-bus.sh
Scanning SCSI subsystem for new devices
Scanning host 0 for  SCSI target IDs  0 1 2 3 4 5 6 7, all LUNs
 Scanning for device 0 0 0 0 ...
.../...
Scanning host 1 for  all SCSI target IDs, all LUNs
Scanning host 2 for  SCSI target IDs  0 1 2 3 4 5 6 7, all LUNs
 Scanning for device 2 0 0 0 ...
.../...
Scanning host 3 for  all SCSI target IDs, all LUNs
0 new or changed device(s) found.
0 remapped or resized device(s) found.
0 device(s) removed.
</pre>


:<code>rescan-scsi-bus.sh -i --issue-[[lip]]</code>

== Remove ==
:<code>rescan-scsi-bus.sh --remove</code> or <code>rescan-scsi-bus.sh -r</code>
<pre>
sg10 changed: LU not available (PQual 1)
REM: Host: scsi3 Channel: 00 Id: 00 Lun: 07
DEL:  Vendor: NETAPP   Model: LUN C-Mode       Rev: 9600
      Type:   Direct-Access                    ANSI SCSI revision: 05
0 new or changed device(s) found.
0 remapped or resized device(s) found.
4 device(s) removed.


multipath -ll
3600a09803831416c592b4f566453774e dm-3 ##,##
size=250G features='2 pg_init_retries 50' hwhandler='0' wp=rw
</pre>

Related commands: <code>[[blkid]]</code> <code>[[multipath -f]]</code> <code>[[multipath -w]]</code> <code>[[pvcreate]]</code>


== Activities ==
# Understand differences between <code>[[pvscan]]</code> which list all physical volumes and [[rescan-scsi-bus.sh]]
# Read Change log: https://github.com/hreinecke/sg3_utils/blob/master/scripts/rescan-scsi-bus.sh

== See also ==
* {{Linux block devices}}
* {{Linux Fibre Channel}}
* {{filesystems}}

[[Category:Storage]]
[[Category:Linux]]
@@ Line 1: / Line 1: @@
-<code>/usr/bin/rescan-scsi-bus.sh</code><ref>https://github.com/hreinecke/sg3_utils/blob/master/scripts/rescan-scsi-bus.sh</ref> included in <code>[[sg3-utils]]</code> package.
+<code>rescan-scsi-bus.sh</code><ref>https://github.com/hreinecke/sg3_utils/blob/master/scripts/rescan-scsi-bus.sh</ref> included in <code>[[sg3-utils]]</code> package.
-:https://raw.githubusercontent.com/hreinecke/sg3_utils/master/scripts/rescan-scsi-bus.sh
+:<code>rescan-scsi-bus.sh -h</code>
-* <code>rescan-scsi-bus.sh -h</code>
-* <code>rescan-scsi-bus.sh --alltargets</code>
-* <code>rescan-scsi-bus.sh --remove</code>
-== Discover new [[block devices]]: rescan-scsi-bus.sh -a ==
 <pre>
 rescan-scsi-bus.sh --alltargets or rescan-scsi-bus.sh -a
@@ Line 30: / Line 26: @@
 device(s) removed.
 </pre>
-You may need to execute: <code>multipath -f</code> (flush) to remove unused devices and [[pvresize]] if your [[LUN]] has changed size.
 :<code>rescan-scsi-bus.sh -i --issue-[[lip]]</code>
+== Remove ==
+:<code>rescan-scsi-bus.sh --remove</code> or <code>rescan-scsi-bus.sh -r</code>
 <pre>
- Scanning for device 32 0 0 0 ...
-OLD: Host: scsi32 Channel: 00 Id: 00 Lun: 00
-      Vendor: VMware   Model: Virtual disk     Rev: 2.0
-      Type:   Direct-Access                    ANSI SCSI revision: 06
- Scanning for device 32 0 1 0 ...
-NEW: Host: scsi32 Channel: 00 Id: 01 Lun: 00
-      Vendor: VMware   Model: Virtual disk     Rev: 2.0
-      Type:   Direct-Access                    ANSI SCSI revision: 06
-new or changed device(s) found.
-	[32:0:1:0]
-remapped or resized device(s) found.
-device(s) removed.
-</pre>
-== Remove block devices: rescan-scsi-bus.sh --remove  ==
-<pre>
- View current block devices: lsblk or lsscsi
- rescan-scsi-bus.sh --remove or rescan-scsi-bus.sh -r
 sg10 changed: LU not available (PQual 1)
 REM: Host: scsi3 Channel: 00 Id: 00 Lun: 07
@@ Line 62: / Line 41: @@
 device(s) removed.
- View block devices after command execution: lsblk or lsscsi
 multipath -ll
@@ Line 69: / Line 47: @@
 </pre>
-== Related commands ==
+Related commands: <code>[[blkid]]</code> <code>[[multipath -f]]</code> <code>[[multipath -w]]</code> <code>[[pvcreate]]</code>
-* <code>[[blkid]]</code>, <code>[[multipath -f]]</code>, <code>[[multipath -w]]</code>, <code>[[pvcreate]]</code>
-* [[LVM scan commands]]
 == Activities ==
-# Understand differences between <code>[[pvscan]]</code> which list all physical volumes and <code>[[rescan-scsi-bus.sh]]</code>
+# Understand differences between <code>[[pvscan]]</code> which list all physical volumes and [[rescan-scsi-bus.sh]]
 # Read Change log: https://github.com/hreinecke/sg3_utils/blob/master/scripts/rescan-scsi-bus.sh
-# [[Add a new disk]]
 == See also ==
-* {{HBA}}
 * {{Linux block devices}}
 * {{Linux Fibre Channel}}