[linux-lvm] More information on my LV with bad read performance..

Robert Macaulay robert_macaulay at dell.com
Fri Oct 26 00:02:02 UTC 2001


I realized I didn't include a lvdisplay -v of my volume. Here it is.
The disks are spread out over 4 scsi busses. 
Thanks again.

--- Logical volume ---
LV Name                /dev/vgOracle/foo
VG Name                vgOracle
LV Write Access        read/write
LV Status              available
LV #                   52
# open                 0
LV Size                9.04 GB
Current LE             2314
Allocated LE           2314
Stripes                26
Stripe size (KByte)    64
Allocation             next free
Read ahead sectors     120
Block device           58:51

   --- Distribution of logical volume on 26 physical volumes  ---
   PV Name                  PE on PV     reads      writes
   /dev/sdh1                89           13629      173625
   /dev/sdi1                89           13616      173386
   /dev/sdj1                89           13630      173372
   /dev/sdl1                89           13619      173354
   /dev/sdm1                89           13625      173369
   /dev/sdn1                89           13619      173384
   /dev/sdo1                89           13635      173391
   /dev/sdp1                89           13632      173387
   /dev/sdq1                89           13641      173401
   /dev/sdr1                89           13633      173386
   /dev/sds1                89           13639      173398
   /dev/sdt1                89           13633      173388
   /dev/sdu1                89           13625      173367
   /dev/sdv1                89           13617      173357
   /dev/sdw1                89           13625      173367
   /dev/sdx1                89           13617      173358
   /dev/sdy1                89           13624      173366
   /dev/sdz1                89           13618      173354
   /dev/sdaa1               89           13606      173366
   /dev/sdab1               89           13600      173388
   /dev/sdac1               89           13609      173366
   /dev/sdad1               89           13603      173356
   /dev/sdae1               89           13609      173364
   /dev/sdaf1               89           13600      173361
   /dev/sdag1               89           13607      173366
   /dev/sdah1               89           13602      173354

   --- logical volume i/o statistic ---
   354113 reads  4507931 writes


--cut--






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