gmirror resize

Miroslav Lachman 000.fbsd at quip.cz
Fri Apr 8 01:39:36 CEST 2016


V aktualni verzi uz gmirror nabizi resize, takze by melo jit vymenit 
puvodni mensi disk za vetsi, rebuildnout, vymenit druhy, rebuildnout, 
resiznout gmirror a pak by nad tim mohla jit zvetsit partition s growfs.

Zkousel jste to nekdo?

Jeste me trochu mate tohle:

gmirror resize	 Change	the size of the	given mirror.
     Additional options include:
         -s size  New size of the mirror is expressed in logical block 
numbers.

O jakych logickych blocich se to pise? Hadam spravne, ze v kontextu 
gmirroru a rotacnich HDD je tim myslen pocet sektoru, tak jak ho 
vypisuje diskinfo? (3907029168)

# diskinfo -v ada0
ada0
         512             # sectorsize
         2000398934016   # mediasize in bytes (1.8T)
         3907029168      # mediasize in sectors
         4096            # stripesize
         0               # stripeoffset
         3876021         # Cylinders according to firmware.
         16              # Heads according to firmware.
         63              # Sectors according to firmware.

Ta velikost se pro gmirror resize zadavat nemusi, ale ja mam ve zvyku 
delat gmirror o neco mensi, nez je disk, aby sel v pripade potreby 
vymenit za jiny model, ktery muze byt o par sektoru vetsi / mensi.

Mirek


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