| |
105 |
== reduce ==
|
| |
106 |
|
| |
107 |
%%
|
| |
108 |
# df -h /opt/
|
| |
109 |
|
| |
110 |
Filesystem Size Used Avail Use% Mounted on
|
| |
111 |
/dev/mapper/vg_xps-lv_optfs 69G 44G 23G 66% /opt
|
| |
112 |
|
| |
113 |
%%
|
| |
114 |
|
| |
115 |
|
| |
116 |
The goal is to reduce from 70G to 50G
|
| |
117 |
|
| |
118 |
|
| |
119 |
==== umount ====
|
| |
120 |
|
| |
121 |
%%
|
| |
122 |
# umount /opt/
|
| |
123 |
%%
|
| |
124 |
|
| |
125 |
==== check filesystem ====
|
| |
126 |
|
| |
127 |
check a Linux ext2/ext3/ext4 file system
|
| |
128 |
|
| |
129 |
%%
|
| |
130 |
# e2fsck -ff /dev/mapper/vg_xps-lv_optfs
|
| |
131 |
|
| |
132 |
|
| |
133 |
e2fsck 1.43.9 (8-Feb-2018)
|
| |
134 |
Pass 1: Checking inodes, blocks, and sizes
|
| |
135 |
Pass 2: Checking directory structure
|
| |
136 |
Pass 3: Checking directory connectivity
|
| |
137 |
Pass 4: Checking reference counts
|
| |
138 |
Pass 5: Checking group summary information
|
| |
139 |
optfs: 117811/4587520 files (0.4% non-contiguous), 11609065/18350080 blocks
|
| |
140 |
%%
|
| |
141 |
|
| |
142 |
==== resize2fs filesystem ====
|
| |
143 |
|
| |
144 |
resize2fs - ext2/ext3/ext4 file system resizer
|
| |
145 |
|
| |
146 |
%%
|
| |
147 |
# resize2fs /dev/mapper/vg_xps-lv_optfs 50G
|
| |
148 |
|
| |
149 |
resize2fs 1.43.9 (8-Feb-2018)
|
| |
150 |
Resizing the filesystem on /dev/mapper/vg_xps-lv_optfs to 13107200 (4k) blocks.
|
| |
151 |
The filesystem on /dev/mapper/vg_xps-lv_optfs is now 13107200 (4k) blocks long.
|
| |
152 |
|
| |
153 |
%%
|
| |
154 |
|
| |
155 |
==== LVM reduce ====
|
| |
156 |
|
| |
157 |
|
| |
158 |
%%
|
| |
159 |
# lvreduce -L -20G /dev/mapper/vg_xps-lv_optfs
|
| |
160 |
WARNING: Reducing active logical volume to 50.00 GiB.
|
| |
161 |
THIS MAY DESTROY YOUR DATA (filesystem etc.)
|
| |
162 |
|
| |
163 |
Do you really want to reduce vg_xps/lv_optfs? [y/n]: y
|
| |
164 |
|
| |
165 |
Size of logical volume vg_xps/lv_optfs changed from 70.00 GiB (17920 extents) to 50.00 GiB (12800 extents).
|
| |
166 |
Logical volume vg_xps/lv_optfs successfully resized.
|
| |
167 |
|
| |
168 |
%%
|
| |
169 |
|
| |
170 |
==== verify ====
|
| |
171 |
|
| |
172 |
%%
|
| |
173 |
|
| |
174 |
# mount /opt/
|
| |
175 |
|
| |
176 |
# df -h /opt/
|
| |
177 |
|
| |
178 |
Filesystem Size Used Avail Use% Mounted on
|
| |
179 |
/dev/mapper/vg_xps-lv_optfs 50G 44G 3.6G 93% /opt
|
| |
180 |
|
| |
181 |
%%
|
| |
182 |
|
| 132 |
|
%%
|
| 133 |
|
|
| 134 |
|
|
| |
221 |
meta-data=/dev/mapper/vg_xps-lv_Breach isize=512 agcount=6, agsize=327680 blks
|
| |
222 |
= sectsz=512 attr=2, projid32bit=1
|
| |
223 |
= crc=1 finobt=1 spinodes=0 rmapbt=0
|
| |
224 |
= reflink=0
|
| |
225 |
data = bsize=4096 blocks=1826816, imaxpct=25
|
| |
226 |
= sunit=0 swidth=0 blks
|
| |
227 |
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
|
| |
228 |
log =internal bsize=4096 blocks=2560, version=2
|
| |
229 |
= sectsz=512 sunit=0 blks, lazy-count=1
|
| |
230 |
realtime =none extsz=4096 blocks=0, rtextents=0
|
| |
231 |
data blocks changed from 1826816 to 7069696
|
| |
232 |
|
| |
233 |
%%
|
| |
234 |
|
| |
235 |
%%
|
| |
236 |
|
| |
237 |
# df -h /opt/Breach
|
| |
238 |
Filesystem Size Used Avail Use% Mounted on
|
| |
239 |
/dev/mapper/vg_xps-lv_Breach 27G 7.0G 20G 26% /opt/Breach
|
| |
240 |
|
| |
241 |
%%
|
| |
242 |
|
| |
243 |
|