[root@]# df -k 查看所要增加文件系统情况 名称 LV。。。如红字所示,是我们要增加容量的 文件系统 Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/uservg-vintages_lv 2066256 1730376 233088 89% /vhost/vintages /[root@~]# vgdisplay 查看vg的配置 看是否有空余空间 --- Volume group --- VG Name uservg System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 50 VG Access read/write VG Status resizable MAX LV 0 Cur LV 21 Open LV 20 Max PV 0 Cur PV 1 Act PV 1 VG Size 136.50 GB PE Size 4.00 MB Total PE 34945 Alloc PE / Size 7486 / 29.24 GB Free PE / Size 27459 / 107.26 GB VG UUID Atz4Pd-kRn7-RuhX-IA1x-laS7-Dgp8-WkQCpx [root@]# cd /dev 找到vg相应目录 [root@]# ls [root@]# cd uservg [root@]# lvs 查看lv LV VG Attr LSize Origin Snap% Move Log Copy% LogVol00 VolGroup00 -wi-ao 6.34G LogVol01 VolGroup00 -wi-ao 5.91G LogVol02 VolGroup00 -wi-ao 9.81G LogVol03 VolGroup00 -wi-ao 2.00G LogVol04 VolGroup00 -wi-ao 2.00G db2inst1_lv uservg -wi-ao 100.00M lcbo_lv uservg -wi-ao 100.00M vintages_lv uservg -wi-ao 2.00G vintagesbak_lv uservg -wi-ao 2.00G wwwa_lv uservg -wi-ao 3.00G 输入命令 增加lv 容量 [root@]# lvextend -L 3G /dev/uservg/vintages_lv Extending logical volume vintages_lv to 3.00 GB Logical volume vintages_lv successfully resized [root@]# lvs LV VG Attr LSize Origin Snap% Move Log Copy% vintages_lv uservg -wi-ao 3.00G 已经增加到3G vintagesbak_lv uservg -wi-ao 2.00G wwwa_lv uservg -wi-ao 3.00G wwwa_lv uservg -wi-ao 3.00G 之后 扩容文件系统 #ext2online /vhost/vintages(fs name) 也可以用umount 先#umount /vhost/vintages(fs name) 然后 # resize2fs /vhost/vintages(fs name) #mount /vhost/vintages(fs name) |
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