You can run migratepv hdisk1 hdisk2 with filesystems mounted and
applications running. Expect too see a performance degredation.

user <user@gm.com> wrote:
>Thanks..
>
>Can I run migratepv -l lvname hdisk1 hdisk2, with software /
>applications running and open on the filesystem mounted on the lvname
>listed above ? Or to all applications / software have to be shutdown
>before I run the migratepv command listed..
>
>
>
>Jurjen Oskam wrote:
>> On 2005-10-20, Unix User <Unix_User@gm.com> wrote:
>>
>>
>>>Now, can I remove the slow disk from the volume group by using
>>>
>>>reducevg '-d' VG_NAME hdisk18
>>>
>>>without destroying data on the logical volume or filesystem mounted on
>>>those disks ?
>>
>>
>> Yes, but you must move the data off of it first. If you run reducevg now,
>> it will print a warning that the disk is not empty and exit. See the manual
>> page for migratepv. After migratepv, run reducevg.
>>