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ROOT ‹ FreeBSD, Linux and AIX ‹ Memory, Storage, Backup and Filesystems ‹ FreeBSD: List disk drives and re-scan after adding hot-add disk (in virtual environments)

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[quote="admin"]When FreeBSD runs as a Guest Operating System in Vmware ESXi or other hypervisor, disks can be hot added (without powering off the system). [b]List available disk in FreeBSD.[/b] [code]$ sudo camcontrol devlist <NECVMWar VMware IDE CDR10 1.00> at scbus1 target 0 lun 0 (cd0,pass0) <VMware Virtual disk 1.0> at scbus2 target 0 lun 0 (da0,pass1) <VMware Virtual disk 1.0> at scbus2 target 1 lun 0 (da1,pass2)[/code] After new disk has been added to the virtual machine, [b]rescan FreeBSD for new drives:[/b] [code]$ sudo camcontrol rescan all Re-scan of bus 0 was successful Re-scan of bus 1 was successful Re-scan of bus 2 was successful Re-scan of bus 3 was successful $ sudo camcontrol devlist <NECVMWar VMware IDE CDR10 1.00> at scbus1 target 0 lun 0 (cd0,pass0) <VMware Virtual disk 1.0> at scbus2 target 0 lun 0 (da0,pass1) <VMware Virtual disk 1.0> at scbus2 target 1 lun 0 (da1,pass2) <VMware Virtual disk 1.0> at scbus2 target 2 lun 0 (pass3,da2)[/code] Now [b]/dev/da2[/b] block device has been added and ready to create a new filesystem or add to ZFS pool.[/quote]	Font colour

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Topic review - FreeBSD: List disk drives and re-scan after adding hot-add disk (in virtual environments)

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admin

Post subject: FreeBSD: List disk drives and re-scan after adding hot-add disk (in virtual environments) |

Posted: Fri Sep 15, 2017 2:14 am

When FreeBSD runs as a Guest Operating System in Vmware ESXi or other hypervisor, disks can be hot added (without powering off the system).

List available disk in FreeBSD.

Code:

$ sudo camcontrol devlist
<NECVMWar VMware IDE CDR10 1.00>   at scbus1 target 0 lun 0 (cd0,pass0)
<VMware Virtual disk 1.0>          at scbus2 target 0 lun 0 (da0,pass1)
<VMware Virtual disk 1.0>          at scbus2 target 1 lun 0 (da1,pass2)

After new disk has been added to the virtual machine, rescan FreeBSD for new drives:

Code:

$ sudo camcontrol rescan all
Re-scan of bus 0 was successful
Re-scan of bus 1 was successful
Re-scan of bus 2 was successful
Re-scan of bus 3 was successful
$ sudo camcontrol devlist
<NECVMWar VMware IDE CDR10 1.00>   at scbus1 target 0 lun 0 (cd0,pass0)
<VMware Virtual disk 1.0>          at scbus2 target 0 lun 0 (da0,pass1)
<VMware Virtual disk 1.0>          at scbus2 target 1 lun 0 (da1,pass2)
<VMware Virtual disk 1.0>          at scbus2 target 2 lun 0 (pass3,da2)

Now /dev/da2 block device has been added and ready to create a new filesystem or add to ZFS pool.

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