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| − | <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> included in <code>[[sg3-utils]]</code> package. |
| − | :https://raw.githubusercontent.com/hreinecke/sg3_utils/master/scripts/rescan-scsi-bus.sh
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| − | * <code>rescan-scsi-bus.sh -h</code>
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| − | * <code>rescan-scsi-bus.sh --alltargets</code>
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| − | * <code>rescan-scsi-bus.sh --remove</code>
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| | | | |
| − | == Discover new [[block devices]]: rescan-scsi-bus.sh -a ==
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| − | <pre>
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| − | rescan-scsi-bus.sh --alltargets or rescan-scsi-bus.sh -a
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| − | ...
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| − | ...
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| − | 32 new or changed device(s) found.
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| − | 0 remapped or resized device(s) found.
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| − | 0 device(s) removed.
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| − | </pre>
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| | | | |
| | <pre> | | <pre> |
| | rescan-scsi-bus.sh | | rescan-scsi-bus.sh |
| − | Scanning SCSI subsystem for new devices
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| − | Scanning host 0 for SCSI target IDs 0 1 2 3 4 5 6 7, all LUNs
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| − | Scanning for device 0 0 0 0 ...
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| − | .../...
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| − | Scanning host 1 for all SCSI target IDs, all LUNs
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| − | Scanning host 2 for SCSI target IDs 0 1 2 3 4 5 6 7, all LUNs
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| − | Scanning for device 2 0 0 0 ...
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| | .../... | | .../... |
| | Scanning host 3 for all SCSI target IDs, all LUNs | | Scanning host 3 for all SCSI target IDs, all LUNs |
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| | 0 device(s) removed. | | 0 device(s) removed. |
| | </pre> | | </pre> |
| − | You may need to execute: <code>multipath -f</code> (flush) to remove unused devices and [[pvresize]] if your [[LUN]] has changed size.
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| | | | |
| − | :<code>rescan-scsi-bus.sh -i --issue-[[lip]]</code>
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| | | | |
| − | <pre>
| + | == See also == |
| − | Scanning for device 32 0 0 0 ...
| + | {{Linux block devices}} |
| − | OLD: Host: scsi32 Channel: 00 Id: 00 Lun: 00
| + | {{Fibre Channel}} |
| − | Vendor: VMware Model: Virtual disk Rev: 2.0
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| − | Type: Direct-Access ANSI SCSI revision: 06
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| − | Scanning for device 32 0 1 0 ...
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| − | NEW: Host: scsi32 Channel: 00 Id: 01 Lun: 00
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| − | Vendor: VMware Model: Virtual disk Rev: 2.0
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| − | Type: Direct-Access ANSI SCSI revision: 06
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| − | 1 new or changed device(s) found.
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| − | [32:0:1:0]
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| − | 0 remapped or resized device(s) found.
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| − | 0 device(s) removed.
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| − | </pre>
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| | | | |
| − | == Remove block devices: rescan-scsi-bus.sh --remove ==
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| − | <pre>
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| − | View current block devices: lsblk or lsscsi
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| − | rescan-scsi-bus.sh --remove or rescan-scsi-bus.sh -r
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| − |
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| − | sg10 changed: LU not available (PQual 1)
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| − | REM: Host: scsi3 Channel: 00 Id: 00 Lun: 07
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| − | DEL: Vendor: NETAPP Model: LUN C-Mode Rev: 9600
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| − | Type: Direct-Access ANSI SCSI revision: 05
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| − | 0 new or changed device(s) found.
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| − | 0 remapped or resized device(s) found.
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| − | 4 device(s) removed.
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| − |
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| − | View block devices after command execution: lsblk or lsscsi
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| − |
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| − | multipath -ll
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| − | 3600a09803831416c592b4f566453774e dm-3 ##,##
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| − | size=250G features='2 pg_init_retries 50' hwhandler='0' wp=rw
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| − | </pre>
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| − |
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| − | == Related commands ==
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| − | * <code>[[blkid]]</code>, <code>[[multipath -f]]</code>, <code>[[multipath -w]]</code>, <code>[[pvcreate]]</code>
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| − | * [[LVM scan commands]]
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| − |
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| − | == Activities ==
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| − | # Understand differences between <code>[[pvscan]]</code> which list all physical volumes and <code>[[rescan-scsi-bus.sh]]</code>
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| − | # Read Change log: https://github.com/hreinecke/sg3_utils/blob/master/scripts/rescan-scsi-bus.sh
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| − | # [[Add a new disk]]
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| − |
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| − | == See also ==
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| − | * {{HBA}}
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| − | * {{Linux block devices}}
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| − | * {{Linux Fibre Channel}}
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| − | * {{filesystems}}
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| | | | |
| | [[Category:Storage]] | | [[Category:Storage]] |
| | [[Category:Linux]] | | [[Category:Linux]] |
