| Oracle FAQ | Your Portal to the Oracle Knowledge Grid | |
 |
 | |||
| Oracle FAQ | Your Portal to the Oracle Knowledge Grid | |
|
| |||
Home -> Community -> Mailing Lists -> Oracle-L -> OT - File System to Disk Mapping
Thanks to all, I got the required info.
rgds,
raja
-- On Thu, 23 Aug 2001 01:00:31 Jonathan Lewis wrote:Received on Thu Aug 23 2001 - 20:23:25 CDT
>
>A logical volume is not necessarily associated with
>a single disc as in most cases people tend to
>mirror/stripe a volume group across many disks
>before creating logical volumes in the volume
>group.
>
>However, if you execute
> vgdisplay -v /dev/vg00
>
>then the tail end of the report will show you the
>list of physical volumes (i.e. discs) associated
>with the volume group.
>
> PV Name /dev/dsk/c0t5d0
> PV Status available
> Total PE 2169
> Free PE 1328
> Autoswitch On
>
>You will also get a list of the logical volumes
>in the volume group
>
> LV Name /dev/vg00/lvol3
> LV Status available/syncd
> LV Size (Mbytes) 140
> Current LE 35
> Allocated PE 35
> Used PV 1
>
>
>If you want to track down extreme levels of detail,
>you can issue:
> lvdisplay -v /dev/vg00/lvol3
>
>Amongst other things, this will tell you how much
>of that logical volume is on each physical volume
>of the volume group
>
> --- Distribution of logical volume ---
> PV Name LE on PV PE on PV
> /dev/dsk/c0t5d0 35 35
>
> --- Logical extents ---
> LE PV1 PE1 Status 1
> 00000 /dev/dsk/c0t5d0 00277 current
> 00001 /dev/dsk/c0t5d0 00278 current
> 00002 /dev/dsk/c0t5d0 00279 current
>
>
>
>Jonathan Lewis
>
>Host to The Co-Operative Oracle Users' FAQ
>http://www.jlcomp.demon.co.uk/faq/ind_faq.html
>
>Author of:
>Practical Oracle 8i: Building Efficient Databases
>See http://www.jlcomp.demon.co.uk/book_rev.html
>
>For latest news of public appearances
>See http://www.jlcomp.demon.co.uk
>
>Screen saver or Life saver: http://www.ud.com
>Use spare CPU to assist in cancer research.
>
>
>
>
>-----Original Message-----
>To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
>Date: 23 August 2001 05:03
>
>
>|Hello all,
>|
>|If I want to know from the unix system point of view, which disk is
>being bombarded by a particular data file, how do I come to know. I
>have used the mount command but that gives me the logical volume, but
>does not give the disk name that it is hitting.
>|
>|This is on hp11. I can come to know from the mount command that
>oracle datafiles are on /dev/vg00/lvol3
>|
>|But I want to know which disk does /dev/vg00/lvol3 hit? whether it
>hits disk c1t2d0 or c2t2d0 ?
>|
>|Any unix guru can tell me what command to see apart from mount which
>I have used?
>|
>|thanks.
>|
>|raja
>|
>
>
>--
>Please see the official ORACLE-L FAQ: http://www.orafaq.com
>--
>Author: Jonathan Lewis
> INET: jonathan_at_jlcomp.demon.co.uk
>
>Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
>San Diego, California -- Public Internet access / Mailing Lists
>--------------------------------------------------------------------
>To REMOVE yourself from this mailing list, send an E-Mail message
>to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
>the message BODY, include a line containing: UNSUB ORACLE-L
>(or the name of mailing list you want to be removed from). You may
>also send the HELP command for other information (like subscribing).
>
Get 250 color business cards for FREE! http://businesscards.lycos.com/vp/fastpath/ -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Viraj Luthra INET: viraj999_at_lycos.com Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
 |
 |