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mirroring a striped volume in RHEL 5.3

 
Highlighted
Regular Advisor

mirroring a striped volume in RHEL 5.3

Hi Team,

 

As part of a storage migration from EVA to 3PAR we havt to migrate the existing LVOLs. Our plan was to mirror the lvol to disk from 3PAR . But now when i checked that lovl is striped . Now  can i do follow this step. If it possible could you please tell me how can i proceed.

 

Please see below for the details of lvol

 

     [9]> lvdisplay -m /dev/mapper/vg001-lvol7
  --- Logical volume ---
  LV Name                /dev/vg001/lvol7
  VG Name                vg001
  LV UUID                zr7Hec-DA6p-7kbo-kE2V-NyBk-kaEq-gqOg9j
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                293.27 GB
  Current LE             75076
  Segments               2
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     1024
  Block device           253:30

  --- Segments ---
  Logical extent 0 to 61183:
    Type                striped
    Stripes             4
    Stripe size         64 KB
    Stripe 0:
      Physical volume   /dev/mapper/360060e80042c530000002c5300000d8a
      Physical extents  1088 to 16383
    Stripe 1:
      Physical volume   /dev/mapper/360060e80042c530000002c5300000d84
      Physical extents  1088 to 16383
    Stripe 2:
      Physical volume   /dev/mapper/360060e80042c530000002c5300000d8d
      Physical extents  1088 to 16383
    Stripe 3:
      Physical volume   /dev/mapper/360060e80042c530000002c5300000d8e
      Physical extents  1088 to 16383

  Logical extent 61184 to 75075:
    Type                striped
    Stripes             4
    Stripe size         64 KB
    Stripe 0:
      Physical volume   /dev/mapper/360060e80042c530000002c5300001210
      Physical extents  0 to 3472
    Stripe 1:
      Physical volume   /dev/mapper/360060e80042c530000002c5300001211
      Physical extents  0 to 3472
    Stripe 2:
      Physical volume   /dev/mapper/360060e80042c530000002c5300001212
      Physical extents  0 to 3472
    Stripe 3:
      Physical volume   /dev/mapper/360060e80042c530000002c5300001213
      Physical extents  0 to 3472

Regards

 

Laiju.C.Babu
1 REPLY 1
Highlighted
Acclaimed Contributor

Re: mirroring a striped volume in RHEL 5.3

>Our plan was to mirror the lvol to disk from 3PAR .

 

3PAR already supports RAID and you want to mirror to a local disk?