topic Re: pvmove online? in Operating System - HP-UX

pvmove online?

terry123 — Wed, 30 Jul 2008 13:46:45 GMT

hi All,

i have a LV which distribute between 4 PVs

/dev/vg01/lvol1
- /dev/dsk/c8t0d1
- /dev/dsk/c8t0d2
- /dev/dsk/c8t0d3
- /dev/dsk/c8t0d4

all 4 PVs contain data.

may i know can i run pvmove online to merge data, so that as a result i get the following:

/dev/vg01/lvol1
- /dev/dsk/c8t0d1
- /dev/dsk/c8t0d2
- /dev/dsk/c8t0d3

thx.

b.r.
terrytse

Re: pvmove online?

Robert-Jan Goossens_1 — Wed, 30 Jul 2008 13:54:39 GMT

Hi,

as long as you have enough free extends on the other disk you can move them. It can take a long time to move the data from one disk to the others, do not interrupt the pvmove.
# pvmove -n /dev/vg01/lvol1 /dev/dsk/c8t0d4 /dev/dsk/c8t0d1 /dev/dsk/c8t0d2 /dev/dsk/c8t0d3

Regards,
Robert-Jan

Re: pvmove online?

terry123 — Wed, 30 Jul 2008 14:51:42 GMT

thx Robert-Jan

want to make sure, pvmove can run On-Line?any impact for the service?

b.r.
terrytse

Re: pvmove online?

Robert-Jan Goossens_1 — Wed, 30 Jul 2008 14:58:51 GMT

Hi,

pvmove can run On-Line?
Yes

any impact for the service?
Yes, the c8 controller and the disks will be busy. You could run it after bussiness hours if you would like to exclude impact on the users.

Regards,
Robert-Jan

Re: pvmove online?

terry123 — Wed, 30 Jul 2008 15:02:30 GMT

thx so much Robert-Jan