Question 1easymultiple choice
Read the full Configure local storage explanation →EX200 Configure local storage • Complete Question Bank
Complete EX200 Configure local storage question bank — all 0 questions with answers and detailed explanations.
Drag steps to the numbered slots on the right, or tap a step then tap a slot.
Drag steps to the numbered slots on the right, or tap a step then tap a slot.
Drag a concept onto its matching description — or click a concept then click the description.
Manages a daemon or service process
Groups units to define system states (runlevels)
Enables socket-based activation for services
Triggers activation of other units on a schedule
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0-59
0-23
1-31
1-12 or Jan-Dec
# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 20G 0 disk ├─sda1 8:1 0 1G 0 part /boot └─sda2 8:2 0 19G 0 part ├─rhel-root 253:0 0 17G 0 lvm / └─rhel-swap 253:1 0 2G 0 lvm [SWAP] sdb 8:16 0 10G 0 disk └─sdb1 8:17 0 10G 0 part
# mount | grep /dev/mapper /dev/mapper/data-lv on /data type xfs (rw,noexec,relatime,seclabel,attr2,inode64,noquota)
# cat /etc/fstab # # /etc/fstab # Created by anaconda # UUID=abc123 / xfs defaults 0 0 UUID=def456 /boot ext4 defaults 1 2 /dev/mapper/rhel-swap swap swap defaults 0 0
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 20G 0 disk ├─sda1 8:1 0 500M 0 part /boot ├─sda2 8:2 0 2G 0 part [SWAP] ├─sda3 8:3 0 10G 0 part / └─sda4 8:4 0 7.5G 0 part /home sdb 8:16 0 10G 0 disk └─sdb1 8:17 0 10G 0 part
Refer to the exhibit. # df -h /data Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg01-data 100G 99G 1.0G 99% /data # cat /etc/fstab /dev/mapper/vg01-data /data xfs defaults 0 0 # lsblk /dev/sdb NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sdb 8:16 0 150G 0 disk └─sdb1 8:17 0 150G 0 part └─vg01-data 253:1 0 100G 0 lvm /data # vgs VG #PV #LV #SN Attr VSize VFree vg01 1 1 0 wz--n- 150.00g 50.00g
Refer to the exhibit. [root@server ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 20G 0 disk ├─sda1 8:1 0 1G 0 part /boot └─sda2 8:2 0 19G 0 part ├─rhel-root 253:0 0 17G 0 lvm / └─rhel-swap 253:1 0 2G 0 lvm [SWAP] sdb 8:16 0 10G 0 disk └─sdb1 8:17 0 10G 0 part └─mydata-vg-mydata-lv 253:2 0 10G 0 lvm /data sdc 8:32 0 10G 0 disk
# fdisk -l /dev/sdb Disk /dev/sdb: 10 GiB, 10737418240 bytes, 20971520 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x12345678 Device Boot Start End Sectors Size Id Type /dev/sdb1 2048 20971519 20969472 10G 83 Linux # blkid /dev/sdb1 /dev/sdb1: UUID="abc123" TYPE="xfs" # cat /etc/fstab | grep sdb UUID=abc123 /data xfs defaults 0 0 # mount | grep data /dev/sdb1 on /data type xfs (rw,relatime,seclabel,attr2,inode64,noquota)
# df -h /data
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg00-lv_data
5.0G 3.9G 1.1G 79% /data
# lvextend -L +2G /dev/vg00/lv_data
Size of logical volume vg00/lv_data changed from 5.00 GiB to 7.00 GiB.
Logical volume vg00/lv_data successfully resized.
# df -h /data
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg00-lv_data
5.0G 3.9G 1.1G 79% /data
# cat /etc/fstab | grep data
/dev/mapper/vg00-lv_data /data xfs defaults 0 0# cat /etc/fstab # # /etc/fstab # Created by anaconda on Mon Jul 19 10:15:30 2021 # # Accessible filesystems, by reference, are maintained under '/dev/disk/' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # UUID=12345678-1234-1234-1234-123456789abc / xfs defaults 0 0 UUID=abcdef12-3456-7890-abcd-ef1234567890 /boot ext4 defaults 1 2 UUID=deadbeef-cafe-babe-1234-567890abcdef swap swap defaults 0 0 /dev/vdb1 /mnt/data ext4 defaults 0 0 # blkid /dev/vdb1 /dev/vdb1: UUID="a1b2c3d4-e5f6-7890-abcd-ef1234567890" TYPE="ext4" # mount -a mount: /mnt/data: can't find /dev/vdb1 in /etc/fstab.
# lsblk -o NAME,SIZE,TYPE,MOUNTPOINT NAME SIZE TYPE MOUNTPOINT sda 20G disk ├─sda1 500M part /boot ├─sda2 2G part [SWAP] └─sda3 17.5G part / sdb 10G disk sdc 10G disk # parted /dev/sdb print Model: ATA VBOX HARDDISK (scsi) Disk /dev/sdb: 10.7GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags # parted /dev/sdc print Error: /dev/sdc: unrecognised disk label # fdisk -l /dev/sdc Disk /dev/sdc: 10 GiB, 10737418240 bytes, 20971520 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x00000000 Device Boot Start End Sectors Size Id Type /dev/sdc1 2048 20971519 20969472 10G 83 Linux
# cat /etc/lvm/lvm.conf | grep -A5 'filter =' # By default we accept every block device: filter = [ "a|.*|" ] # pvcreate /dev/sdb Device /dev/sdb excluded by a filter. # lvmdiskscan /dev/sda1 [ 17.15 GiB] /dev/sda2 [ 2.00 GiB] /dev/sdb [ 10.00 GiB] 0 disks 3 partitions 0 LVM physical volumes 0 LVM logical volumes # ls -l /dev/sdb brw-rw----. 1 root disk 8, 16 Nov 25 10:00 /dev/sdb
Refer to the exhibit. # lsblk -o NAME,SIZE,FSTYPE,MOUNTPOINT NAME SIZE FSTYPE MOUNTPOINT sda 10G ├─sda1 1G xfs /boot └─sda2 9G LVM2_member ├─vg-lv_root 8G xfs / └─vg-lv_swap 1G swap [SWAP] sdb 5G └─sdb1 5G LVM2_member └─vg-lv_data 5G xfs /data sdc 2G sdd 2G
Personalities : [raid1] [raid0] [raid10]
md0 : active raid1 sdb1[1] sda1[0]
10485760 blocks super 1.2 [2/2] [UU]
unused devices: <none>Refer to the exhibit. # lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 10G 0 disk ├─sda1 8:1 0 1G 0 part /boot ├─sda2 8:2 0 8G 0 part │ └─vg01-root 253:0 0 8G 0 lvm / └─sda3 8:3 0 1G 0 part [SWAP] sdb 8:16 0 100G 0 disk └─sdb1 8:17 0 100G 0 part └─vg01-data 253:1 0 100G 0 lvm /data
Refer to the exhibit. # mount | grep /dev/sdc1 /dev/sdc1 on /mnt/backup type ext4 (rw,noexec,nosuid) # cat /etc/fstab | grep sdc1 UUID=12345678-9abc-def0-1234-56789abcdef0 /mnt/backup ext4 defaults 0 0 # df -h /mnt/backup Filesystem Size Used Avail Use% Mounted on /dev/sdc1 100G 50G 50G 50% /mnt/backup
# parted /dev/sdc print Model: VMware Virtual disk (scsi) Disk /dev/sdc: 2147MB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags 1 1049kB 2147MB 2146MB xfs primary # mount /dev/sdc1 /mnt mount: /mnt: wrong fs type, bad option, bad superblock on /dev/sdc1, missing codepage or helper program, or other error.