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тАО10-02-2000 01:26 PM
тАО10-02-2000 01:26 PM
Now I want to know how to find out exactly how much physical disk storage space we have and how much is mirrored or in logical volumes
Thanks,
Gulam.
Solved! Go to Solution.
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тАО10-02-2000 01:34 PM
тАО10-02-2000 01:34 PM
SolutionIt will tell you how much total space is available, how much is used, to which logical volumes, what is stripped and/or mirrored and to what, what the alt links are, etc...
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тАО10-02-2000 06:04 PM
тАО10-02-2000 06:04 PM
Re: Total Physical Disk storage space Size ?
There are two ways to obtain this information. The first is through SAM's Disks and Filesystems.
The second way is the direct, command approach and uses 'pvdisplay' to query physical disks; 'vgdisplay' to query volume groups; and 'lvdisplay' to query logical volumes.
# pvdisplay -v /dev/dsk/c?t?d?
This command displays information about the physical disk -- physical extent size and the number of physical extents allocated and available. If the MirrorUX product has been installed, pvdisplay returns information about the the number of extents that are not current.
# vgdisplay -v /dev/vg??
The vgdisplay command returns information about a volume group. The command tells what physical volumes make up the group, the total physical extents comprising all physical volumes in the volume group, the maximum number of physical volumes allowed in the group (Max PV), and the maximum number or limit of physical extents that can be allocated from any of the physical volumes in the volume group (Max PE per PV). If MirrorUX software is installed, and mirroring enabled, vgdisplay also returns information about the logical volume status such as available/stale or available/syncd.
# lvdisplay /dev/vg??/lvol?
When MirrorUX is installed, lvdisplay provides information about the the state of the logical volume -- available/stale or available/syncd, etc. along with the number of mirrors (0,1,2). lvdisplay also returns the size of the logical volume in megabytes, the number and size of stripes (if used), and the allocation policy for each extent (contiguous, strict, etc.).
For a full description of each command, see the man 1M pages for pvdisplay, vgdisplay and lvdisplay. See also, the other LVM commands referenced by these pages -- e.g. pvcreate, vgcreate, vgextend, vgreduce, vgremove, lvcreate, lvextend, lvreduce & lvremove.
...JRF...
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тАО10-02-2000 11:25 PM
тАО10-02-2000 11:25 PM
Re: Total Physical Disk storage space Size ?
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тАО10-03-2000 12:20 AM
тАО10-03-2000 12:20 AM
Re: Total Physical Disk storage space Size ?
eg /usr/sbin/diskinfo /dev/rdsk/c0t11d0
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тАО10-03-2000 02:40 AM
тАО10-03-2000 02:40 AM
Re: Total Physical Disk storage space Size ?
You can run a printout of you LVM configurations from this script.
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тАО10-03-2000 02:48 AM
тАО10-03-2000 02:48 AM
Re: Total Physical Disk storage space Size ?
ftp://contrib:9unsupp8@hprc.external.hp.com/sysadmin/xvg
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тАО10-03-2000 05:55 AM
тАО10-03-2000 05:55 AM
Re: Total Physical Disk storage space Size ?
I always do links from oracle datafiles to raw devices.
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тАО10-03-2000 05:56 AM
тАО10-03-2000 05:56 AM
Re: Total Physical Disk storage space Size ?
I always do links from oracle datafiles to raw devices.