如何在RHEL LVM2上调整剥离的LV的大小?

时间:2016-07-07 09:41:31

标签: linux raid lvm

我已经携带lvm2-2.02.111-2的RHEL 6.6。 在这台机器上,我为一个卷设置了一个非常不寻常的LVM:它在4个段内被剥离了31个磁盘4 + TB。

现在问题是我需要扩展LV + 100GB,我应该在系统中添加多少100GB磁盘才能做到这一点?

以下提取的参考信息。 谢谢!

[root@archive ~]# pvs | grep vg_str_data |wc -l              
31
[root@archive ~]# lvs -a -o segtype,devices,lv_name,vg_name /dev/vg_str_data/lv_str_data
  Type    Devices                                                                                                                                                               LV          VG         
  striped /dev/sdi(0),/dev/sdj(0),/dev/sdk(0),/dev/sdd(0),/dev/sde(0),/dev/sdf(0),/dev/sdg(0),/dev/sdl(0),/dev/sdm(0),/dev/sdn(0)                                               lv_str_data vg_str_data
  striped /dev/sdo1(0),/dev/sdo2(0),/dev/sdo3(0),/dev/sdo5(0),/dev/sdo6(0),/dev/sdp1(0),/dev/sdp2(0),/dev/sdp3(0),/dev/sdp5(0),/dev/sdp6(0)                                     lv_str_data vg_str_data
  striped /dev/sdr1(0),/dev/sdr2(0),/dev/sdr3(0),/dev/sdr5(0),/dev/sdr6(0),/dev/sds1(0),/dev/sds2(0),/dev/sds3(0),/dev/sds5(0),/dev/sds6(0)                                     lv_str_data vg_str_data
  striped /dev/sdt1(0),/dev/sdo2(15252),/dev/sdo3(15252),/dev/sdo5(15252),/dev/sdp2(15252),/dev/sdp3(15252),/dev/sdp5(15252),/dev/sdr1(15354),/dev/sdr2(15354),/dev/sdr3(15354) lv_str_data vg_str_data
[root@archive ~]# lvdisplay -m /dev/vg_str_data/lv_str_data
  --- Logical volume ---
  LV Path                /dev/vg_str_data/lv_str_data
  LV Name                lv_str_data
  VG Name                vg_str_data
  LV UUID                RcYdq5-yzxc-feL0-GuVN-flKK-0oYA-TZbzre
  LV Write Access        read/write
  LV Creation host, time , 
  LV Status              available
  # open                 1
  LV Size                4.10 TiB
  Current LE             1074110
  Segments               4
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2
  --- Segments ---
  Logical extents 0 to 767989:
    Type                striped
    Stripes             10
    Stripe size         4.00 KiB
  Logical extents 767990 to 920509:
    Type                striped
    Stripes             10
    Stripe size         4.00 KiB
  Logical extents 920510 to 1074049:
    Type                striped
    Stripes             10
    Stripe size         4.00 KiB
Logical extents 1074050 to 1074109:
    Type                striped
    Stripes             10
    Stripe size         4.00 KiB

1 个答案:

答案 0 :(得分:0)

So, I figured it out. The answer is none.. +10 disks 10gb each will do it (resize volume +100gb). P.S. Thanks for minusing me, by the way :).