Menginstall utilitas gdisk

[root@tanya ~]# yum install gdisk
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package gdisk.x86_64 0:0.8.10-3.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

===============================================================================================================================================================================================
 Package                                     Arch                                         Version                                             Repository                                  Size
===============================================================================================================================================================================================
Installing:
 gdisk                                       x86_64                                       0.8.10-3.el7                                        base                                       190 k

Transaction Summary
===============================================================================================================================================================================================
Install  1 Package

Total download size: 190 k
Installed size: 660 k
Is this ok [y/d/N]: y
Downloading packages:
warning: /var/cache/yum/x86_64/7/base/packages/gdisk-0.8.10-3.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY                         ]  0.0 B/s | 111 kB  --:--:-- ETA
Public key for gdisk-0.8.10-3.el7.x86_64.rpm is not installed
gdisk-0.8.10-3.el7.x86_64.rpm                                                                                                                                           | 190 kB  00:00:01
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
Importing GPG key 0xF4A80EB5:
 Userid     : "CentOS-7 Key (CentOS 7 Official Signing Key) <[email protected]>"
 Fingerprint: 6341 ab27 53d7 8a78 a7c2 7bb1 24c6 a8a7 f4a8 0eb5
 Package    : centos-release-7-9.2009.0.el7.centos.x86_64 (@anaconda)
 From       : /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
Is this ok [y/N]: y
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : gdisk-0.8.10-3.el7.x86_64                                                                                                                                                   1/1
  Verifying  : gdisk-0.8.10-3.el7.x86_64                                                                                                                                                   1/1

Installed:
  gdisk.x86_64 0:0.8.10-3.el7

Complete!
[root@tanya ~]#

[root@tanya ~]# gdisk /dev/sdb
GPT fdisk (gdisk) version 0.8.10

Partition table scan:
  MBR: not present
  BSD: not present
  APM: not present
  GPT: not present

Creating new GPT entries.

Command (? for help): p
Disk /dev/sdb: 1048576000 sectors, 500.0 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 4EFAECDB-0F01-4CC0-8497-D18CC7F34C32
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 1048575966
Partitions will be aligned on 2048-sector boundaries
Total free space is 1048575933 sectors (500.0 GiB)

Number  Start (sector)    End (sector)  Size       Code  Name

Command (? for help): n
Partition number (1-128, default 1):
First sector (34-1048575966, default = 2048) or {+-}size{KMGTP}:
Last sector (2048-1048575966, default = 1048575966) or {+-}size{KMGTP}:
Current type is 'Linux filesystem'
Hex code or GUID (L to show codes, Enter = 8300): L
0700 Microsoft basic data  0c01 Microsoft reserved    2700 Windows RE
3000 ONIE boot             3001 ONIE config           4100 PowerPC PReP boot
4200 Windows LDM data      4201 Windows LDM metadata  7501 IBM GPFS
7f00 ChromeOS kernel       7f01 ChromeOS root         7f02 ChromeOS reserved
8200 Linux swap            8300 Linux filesystem      8301 Linux reserved
8302 Linux /home           8400 Intel Rapid Start     8e00 Linux LVM
a500 FreeBSD disklabel     a501 FreeBSD boot          a502 FreeBSD swap
a503 FreeBSD UFS           a504 FreeBSD ZFS           a505 FreeBSD Vinum/RAID
a580 Midnight BSD data     a581 Midnight BSD boot     a582 Midnight BSD swap
a583 Midnight BSD UFS      a584 Midnight BSD ZFS      a585 Midnight BSD Vinum
a800 Apple UFS             a901 NetBSD swap           a902 NetBSD FFS
a903 NetBSD LFS            a904 NetBSD concatenated   a905 NetBSD encrypted
a906 NetBSD RAID           ab00 Apple boot            af00 Apple HFS/HFS+
af01 Apple RAID            af02 Apple RAID offline    af03 Apple label
af04 AppleTV recovery      af05 Apple Core Storage    be00 Solaris boot
bf00 Solaris root          bf01 Solaris /usr & Mac Z  bf02 Solaris swap
bf03 Solaris backup        bf04 Solaris /var          bf05 Solaris /home
bf06 Solaris alternate se  bf07 Solaris Reserved 1    bf08 Solaris Reserved 2
bf09 Solaris Reserved 3    bf0a Solaris Reserved 4    bf0b Solaris Reserved 5
c001 HP-UX data            c002 HP-UX service         ea00 Freedesktop $BOOT
eb00 Haiku BFS             ed00 Sony system partitio  ed01 Lenovo system partit
Press the <Enter> key to see more codes: 8300
ef00 EFI System            ef01 MBR partition scheme  ef02 BIOS boot partition
fb00 VMWare VMFS           fb01 VMWare reserved       fc00 VMWare kcore crash p
fd00 Linux RAID
Hex code or GUID (L to show codes, Enter = 8300):
Changed type of partition to 'Linux filesystem'

Command (? for help): p
Disk /dev/sdb: 1048576000 sectors, 500.0 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 4EFAECDB-0F01-4CC0-8497-D18CC7F34C32
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 1048575966
Partitions will be aligned on 2048-sector boundaries
Total free space is 2014 sectors (1007.0 KiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048      1048575966   500.0 GiB   8300  Linux filesystem

Command (? for help): wq

Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
PARTITIONS!!

Do you want to proceed? (Y/N): Y
OK; writing new GUID partition table (GPT) to /dev/sdb.
The operation has completed successfully.
[root@ASK ~]#
[root@ASK ~]# lsblk
NAME            MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda               8:0    0   50G  0 disk
├─sda1            8:1    0    1G  0 part /boot
└─sda2            8:2    0   49G  0 part
  ├─centos-root 253:0    0   44G  0 lvm  /
  └─centos-swap 253:1    0    5G  0 lvm  [SWAP]
sdb               8:16   0  500G  0 disk
└─sdb1            8:17   0  500G  0 part
sdc               8:32   0  300G  0 disk
sr0              11:0    1  4.4G  0 rom
[root@tanya ~]#

[root@tanya ~]# gdisk /dev/sdc
GPT fdisk (gdisk) version 0.8.10

Partition table scan:
  MBR: not present
  BSD: not present
  APM: not present
  GPT: not present

Creating new GPT entries.

Command (? for help): p
Disk /dev/sdc: 629145600 sectors, 300.0 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 179380C5-ED63-40F2-A0EC-294A8379E3A3
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 629145566
Partitions will be aligned on 2048-sector boundaries
Total free space is 629145533 sectors (300.0 GiB)

Number  Start (sector)    End (sector)  Size       Code  Name

Command (? for help): n
Partition number (1-128, default 1):
First sector (34-629145566, default = 2048) or {+-}size{KMGTP}:
Last sector (2048-629145566, default = 629145566) or {+-}size{KMGTP}:
Current type is 'Linux filesystem'
Hex code or GUID (L to show codes, Enter = 8300):
Changed type of partition to 'Linux filesystem'

Command (? for help): p
Disk /dev/sdc: 629145600 sectors, 300.0 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 179380C5-ED63-40F2-A0EC-294A8379E3A3
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 629145566
Partitions will be aligned on 2048-sector boundaries
Total free space is 2014 sectors (1007.0 KiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048       629145566   300.0 GiB   8300  Linux filesystem

Command (? for help): wq

Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
PARTITIONS!!

Do you want to proceed? (Y/N): Y
OK; writing new GUID partition table (GPT) to /dev/sdc.
The operation has completed successfully.
[root@ASK ~]#
[root@ASK ~]# lsblk
NAME            MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda               8:0    0   50G  0 disk
├─sda1            8:1    0    1G  0 part /boot
└─sda2            8:2    0   49G  0 part
  ├─centos-root 253:0    0   44G  0 lvm  /
  └─centos-swap 253:1    0    5G  0 lvm  [SWAP]
sdb               8:16   0  500G  0 disk
└─sdb1            8:17   0  500G  0 part
sdc               8:32   0  300G  0 disk
└─sdc1            8:33   0  300G  0 part
sr0              11:0    1  4.4G  0 rom
[root@tanya ~]#
[root@tanya ~]# vgcreate datavg /dev/sdb1 /dev/sdc1
  Physical volume "/dev/sdb1" successfully created.
  Physical volume "/dev/sdc1" successfully created.
  Volume group "datavg" successfully created
[root@tanya ~]#
[root@tanya ~]# vgs
  VG     #PV #LV #SN Attr   VSize   VFree
  centos   1   2   0 wz--n- <49.00g      0
  datavg   2   0   0 wz--n- 799.99g 799.99g
[root@tanya ~]#
[root@tanya ~]# pvs
  PV         VG     Fmt  Attr PSize    PFree
  /dev/sda2  centos lvm2 a--   <49.00g       0
  /dev/sdb1  datavg lvm2 a--  <500.00g <500.00g
  /dev/sdc1  datavg lvm2 a--  <300.00g <300.00g
[root@tanya ~]#
[root@tanya ~]# lvcreate -l 100%FREE -n datalv datavg
  Logical volume "datalv" created.
[root@tanya ~]#
[root@tanya ~]# lvs
  LV     VG     Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
  root   centos -wi-ao---- <44.00g
  swap   centos -wi-ao----   5.00g
  datalv datavg -wi-a----- 799.99g
[root@tanya ~]#
[root@tanya ~]# mkfs.xfs /dev/mapper/datavg-datalv
Discarding blocks...Done.
meta-data=/dev/mapper/datavg-datalv isize=512    agcount=4, agsize=52428288 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=0, sparse=0
data     =                       bsize=4096   blocks=209713152, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0 ftype=1
log      =internal log           bsize=4096   blocks=102399, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
[root@tanya ~]#
[root@tanya ~]# mkdir /data
[root@tanya ~]#
[root@tanya ~]# mount /dev/mapper/datavg-datalv /data
[root@tanya ~]#
[root@tanya ~]# echo "/dev/mapper/datavg-datalv /data xfs defaults 0 0" >> /etc/fstab
[root@tanya ~]#
[root@tanya ~]# cat /etc/fstab

#
# /etc/fstab
# Created by anaconda on Tue Aug 13 16:30:04 2024
#
# 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
#
/dev/mapper/centos-root /                       xfs     defaults        0 0
UUID=4f8233c7-66d8-4837-83b2-440f5bf7ceff /boot                   xfs     defaults        0 0
/dev/mapper/centos-swap swap                    swap    defaults        0 0
/dev/mapper/datavg-datalv /data xfs defaults 0 0
[root@tanya ~]#
[root@tanya ~]# df -hT
Filesystem                Type      Size  Used Avail Use% Mounted on
devtmpfs                  devtmpfs  3.9G     0  3.9G   0% /dev
tmpfs                     tmpfs     3.9G     0  3.9G   0% /dev/shm
tmpfs                     tmpfs     3.9G  8.6M  3.9G   1% /run
tmpfs                     tmpfs     3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/mapper/centos-root   xfs        44G  1.8G   43G   4% /
/dev/sda1                 xfs      1014M  150M  865M  15% /boot
tmpfs                     tmpfs     783M     0  783M   0% /run/user/0
/dev/mapper/datavg-datalv xfs       800G   33M  800G   1% /data
[root@tanya ~]#

Pengujian fstab

[root@tanya ~]# umount -l /data
[root@tanya ~]#
[root@tanya ~]# mount -a
[root@tanya ~]#
[root@tanya ~]# df -hT
Filesystem                Type      Size  Used Avail Use% Mounted on
devtmpfs                  devtmpfs  3.9G     0  3.9G   0% /dev
tmpfs                     tmpfs     3.9G     0  3.9G   0% /dev/shm
tmpfs                     tmpfs     3.9G  8.6M  3.9G   1% /run
tmpfs                     tmpfs     3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/mapper/centos-root   xfs        44G  1.8G   43G   4% /
/dev/sda1                 xfs      1014M  150M  865M  15% /boot
tmpfs                     tmpfs     783M     0  783M   0% /run/user/0
/dev/mapper/datavg-datalv xfs       800G   33M  800G   1% /data
[root@tanya ~]#

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