On one of my servers, I used to have a storage device, /dev/sdb, attached to it. That storage was used as an LVM physical volume. It has later been removed, and now I just noticed the following message: [root@banan ~]# lvs Devices file PVID CuDRE3nMN5FMNqYLViHrnE1D7OFDlbX6 last seen on /dev/sdb not found. LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert root almalinux -wi-ao---- <28.40g swap almalinux -wi-ao---- 2....
I’m a fan of ZFS filesystem. It’s so good that I also use ZFS on most my Linux machines, though it’s painful at time when the ZFS kernel modules fail to compile. Why I like it so much comparing to other file system such as XFS, EXT4, BTRFS? ZFS allows me to quickly do snapshots and efficiently send snapshots over the network, and my nas runs FreeBSD which support ZFS natively....
My favourite tool to create disk partitions on Linux is c[fg]disk. cfdisk used to create MBR based partition, and cgdisk is for GPT one. Today, I want to learn to use another tool called GNU Parted. After plugging an external disk, we can use udiskctl command to identify the disk device. # udisksctl status MODEL REVISION SERIAL DEVICE -------------------------------------------------------------------------- Samsung SSD 850 EVO 250GB EMT01B6Q S21MNXAG919308T sda ST2000DM001-1ER164 HP51 Z4Z46TMA sdb ST2000DM001-1ER164 HP51 Z4Z46W3E sdc Samsung SSD 850 EVO 250GB EMT01B6Q S21MNXAG919312Y sdd Samsung SSD 840 EVO 250G 0309 533144424E4541443837343335324120 sde The last Samsung SSD 840 (/dev/sde) is the one that I’m going to work with....