Arch Linux

Oblivion7

Member

From: Outside your universe.

Registered: 2015-08-29

Posts: 78

Is is it safe to use fstrim on a lvm volume that spans across SSD/HDD

My home partiton volume spans accross my hdd and my ssd and im afraid it will mess things up if i use fstrim
this is the output of lsblk that shows that the volgroup00-home_vol is on both ssd (sda) and hdd (sdb):

sda                       8:0    0 119.2G  0 disk 
├─sda1                    8:1    0   100M  0 part /boot
├─sda2                    8:2    0   128M  0 part 
├─sda3                    8:3    0  93.1G  0 part 
├─sda4                    8:4    0   450M  0 part 
└─sda5                    8:5    0  25.5G  0 part 
  ├─volgroup00-swap_vol 254:1    0     8G  0 lvm  [SWAP]
  └─volgroup00-home_vol 254:2    0   277G  0 lvm  /home
sdb                       8:16   0 931.5G  0 disk 
├─sdb1                    8:17   0 389.7G  0 part 
├─sdb2                    8:18   0 119.1G  0 part 
├─sdb3                    8:19   0 304.7G  0 part 
│ ├─volgroup00-root_vol 254:0    0    35G  0 lvm  /
│ └─volgroup00-home_vol 254:2    0   277G  0 lvm  /home
└─sdb4                    8:20   0   118G  0 part /home/oblivion/.snapshots
sr0                      11:0    1  1024M  0 rom  

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Anyone who has never made a mistake has never tried anything new. ~Albert Einstein