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Thursday, February 14, 2019

FreeBSD - add disk, create partition, create filesystem

Command to list of all block disk devices
camcontrol devlist
 
You can see devices in /var/log/messages  ...
 
root@c4c:~ # tail -f /var/log/messages
Dec 18 19:54:08 c4c kernel: da1 at mpt0 bus 0 scbus2 target 1 lun 0
Dec 18 19:54:08 c4c kernel: da1: <VMware Virtual disk 1.0> Fixed Direct Access SCSI-2 device
Dec 18 19:54:08 c4c kernel: da1: 300.000MB/s transfers
Dec 18 19:54:08 c4c kernel: da1: Command Queueing enabled
Dec 18 19:54:08 c4c kernel: da1: 10240MB (20971520 512 byte sectors)
Dec 18 19:54:08 c4c kernel: da1: quirks=0x40<RETRY_BUSY>
...
...
...
Dec 18 20:29:46 c4c kernel: da1 at mpt0 bus 0 scbus2 target 1 lun 0
Dec 18 20:29:46 c4c kernel: da1: <VMware Virtual disk 1.0> detached
Dec 18 20:29:46 c4c kernel: (da1:mpt0:0:1:0): Periph destroyed

 
Takze jsem na produkcni server pridal druhy disk stejny jako prvni.
Je to /dev/da1
ma 20 GB a 500 IOPSu.

Todle uricte vis, ale pro jistotu ... na pridanem blokovem disku pak GPT, UFS partition a filesystem vytvoris takto
gpart create -s GPT da1
gpart add -t freebsd-ufs -a 1M da1
newfs -U /dev/da1p1

no a pak uz jen mount.

Notes: 
To get more information about disk and basic performance benchmark you can use 
diskinfo -t
 
Pro totalni zruseni partitions je mozne pouzit prikaz
gpart destroy -F /dev/ad0

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