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тАО08-29-2010 03:18 AM
тАО08-29-2010 03:18 AM
very urgent-500GB of LUNs!!
I am having a File system of 3.5TB in which some datas are there.I created the same in such way like it is having 7 * 500GB of LUNs ie created aingle VG of 500GB and then extended 6 times to make it to 3.5TB.Now I want to delete one VG of 500GB from the same.How can I able to achieve the same.OS version is HP-UX11.31.Please help..very urgent
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тАО08-29-2010 06:18 AM
тАО08-29-2010 06:18 AM
Re: very urgent-500GB of LUNs!!
you can use vgreduce command to remove addede PVs from the VG.
vgreduce vgname pvname
Thx,
Ravi S
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тАО08-29-2010 06:28 PM
тАО08-29-2010 06:28 PM
Re: very urgent-500GB of LUNs!!
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тАО08-29-2010 08:18 PM
тАО08-29-2010 08:18 PM
Re: very urgent-500GB of LUNs!!
If you have online jfs first reduce file sytem
reduce lv
Then run lvdisplay -v /dev/vgname/lvname | grep -i diskname (one by one)
Here you can find out which disk is free
Then do vgreduce vgname pvname
Chandra
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тАО08-30-2010 03:09 AM
тАО08-30-2010 03:09 AM
Re: very urgent-500GB of LUNs!!
first check unsued pv
pvdisplay -v
if pv is not used then go ahead with vgreduce
vgreduce
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тАО08-30-2010 09:31 AM
тАО08-30-2010 09:31 AM
Re: very urgent-500GB of LUNs!!
1- If you have onlinejfs proceed in shrink the lv.
# lvreduce -L
2 -Check what is the pv without PE in current to get it out of this VG
pvdisplay -v /dev/dsk/cxtxdx | grep current
3- if there are not PEs in current status proceed by reducing the VG otherwise you can move the remaining PE to another PV using pvmove thus you can get a free PV to use for other propose.
# vgreduce /dev/
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тАО08-30-2010 12:11 PM
тАО08-30-2010 12:11 PM
Re: very urgent-500GB of LUNs!!
#vgdisplay -v vg
check which PV <500GB> have parameter
remove that PV from the VG.
#vgreduce
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тАО09-01-2010 04:30 AM
тАО09-01-2010 04:30 AM
Re: very urgent-500GB of LUNs!!
Thanx..
I have two LVs in this particular VG.And I want to reduce one of the LV size which is 3.5TB to 3TB.And after that I have to reduce the VG and delete the PV.
I dont have data in this LV.But the other LV is having data.If I reduce the VG,is this will affect my Data VG??
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тАО09-01-2010 10:52 AM
тАО09-01-2010 10:52 AM
Re: very urgent-500GB of LUNs!!
List directory and filesystem fragmentation
fsadm -F vxfs -D -E /
ex fsadm -D -E /home
Defragment directory and filesystem, display summary information for each pass
fsadm -F vxfs -d -e -s /
ex fsadm -d -e -s /home
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тАО09-03-2010 11:44 PM
тАО09-03-2010 11:44 PM