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rescan_scsi_bus [2011/06/01 12:58]
127.0.0.1 external edit
rescan_scsi_bus [2011/10/03 11:50] (current)
root [Rescan SCSI/FC bus]
Line 1: Line 1:
-====== Rescan bus ======+====== Rescan ​SCSI bus ======
  
 There is no need to reboot in order to rescan SCSI/FC bus There is no need to reboot in order to rescan SCSI/FC bus
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    for hosts in  /​sys/​class/​scsi_host/​*;​ do echo "- - -" > $hosts/scan ; done  ​    for hosts in  /​sys/​class/​scsi_host/​*;​ do echo "- - -" > $hosts/scan ; done  ​
  
-Rescan FC bus+====== ​Rescan FC bus ======
  
   echo "​1"​ > /​sys/​class/​fc_host/​host#/​issue_lip   echo "​1"​ > /​sys/​class/​fc_host/​host#/​issue_lip
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   for hosts in /​sys/​class/​fc_host/​*;​ do echo "​1"​ > $hosts/​issue_lip;​ done   for hosts in /​sys/​class/​fc_host/​*;​ do echo "​1"​ > $hosts/​issue_lip;​ done
  
 +====== LUN/Disk expansion ======
   ​   ​
 +Expand Vmware disk / SAN LUN.
  
 +Force rescan to get the kernel aware of the new size (supposing your LUN is /dev/sdb):
 +
 +  # echo 1 > /​sys/​block/​sdb/​device/​rescan
 +
 +In case multipathing is beeing used, the command has to been issued on all devices. eg. sdc/sde etc. multipath -ll can be used to list the devices.
rescan_scsi_bus.1306933116.txt.gz ยท Last modified: 2011/10/03 09:27 (external edit)