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我已经安装了带有 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 个段内剥离了 31 个磁盘 4+TB。

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

下面提取的信息供参考。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
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1 回答 1

0

所以，我想通了。答案是没有.. +10 个 10gb 的磁盘可以做到（调整音量 +100gb）。PS谢谢你减去我，顺便说一句:)。

于 2016-07-11T20:01:24.120 回答