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
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 :).