[linux] Raid 변경 후 mount

[junhee.lee:root@root ~]# cat /etc/fstab
 
#
# /etc/fstab
# Created by anaconda on Mon Apr 16 08:39:40 2018
#
# 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
#
LABEL=ROOT        /                       ext4    noatime,nodiratime 1 1
LABEL=CDNET        /usr/local/cdnet        ext4    noatime,nodiratime 1 2
LABEL=SWAP        swap                    swap    defaults        0 0
tmpfs                   /dev/shm                tmpfs   defaults        0 0
devpts                  /dev/pts                devpts  gid=5,mode=620  0 0
sysfs                   /sys                    sysfs   defaults        0 0
proc                    /proc                   proc    defaults        0 0
#/dev/sdb1        /data0            xfs    noatime,nodiratime 1 1

/etc/fstab에서 /data0 주석

 

raid controller에서 raid 변경 reboot

 

2T 이하 fdisk

2T 이상 parted

[junhee.lee:root@root ~]# parted /dev/sdb
GNU Parted 2.1
Using /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print                                                           
Model: DELL PERC H710 (scsi)
Disk /dev/sdb: 40.0TB
Sector size (logical/physical): 512B/512B
Partition Table: pc98
 
Number  Start  End  Size  File system  Name  Flags
 
(parted) help                                                            
  align-check TYPE N                        check partition N for TYPE(min|opt) alignment
  check NUMBER                             do a simple check on the file system
  cp [FROM-DEVICE] FROM-NUMBER TO-NUMBER   copy file system to another partition
  help [COMMAND]                           print general help, or help on COMMAND
  mklabel,mktable LABEL-TYPE               create a new disklabel (partition table)
  mkfs NUMBER FS-TYPE                      make a FS-TYPE file system on partition NUMBER
  mkpart PART-TYPE [FS-TYPE] START END     make a partition
  mkpartfs PART-TYPE FS-TYPE START END     make a partition with a file system
  move NUMBER START END                    move partition NUMBER
  name NUMBER NAME                         name partition NUMBER as NAME
  print [devices|free|list,all|NUMBER]     display the partition table, available devices, free
        space, all found partitions, or a particular partition
  quit                                     exit program
  rescue START END                         rescue a lost partition near START and END
  resize NUMBER START END                  resize partition NUMBER and its file system
  rm NUMBER                                delete partition NUMBER
  select DEVICE                            choose the device to edit
  set NUMBER FLAG STATE                    change the FLAG on partition NUMBER
  toggle [NUMBER [FLAG]]                   toggle the state of FLAG on partition NUMBER
  unit UNIT                                set the default unit to UNIT
  version                                  display the version number and copyright information of
        GNU Parted
(parted) mklabel                                   
New disk label type? gpt                                                 
Warning: The existing disk label on /dev/sdb will be destroyed and all data on this disk will be lost. Do you want to continue?
Yes/No? yes                                                              
(parted)                                                                 
(parted) mkpart
Partition name?  []?                                                     
File system type?  [ext2]? xfs
Start? 0%                                                                
End? 100%                                                                
(parted)                                                                 
(parted) print all
Model: DELL PERC H710 (scsi)
Disk /dev/sdb: 40.0TB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
 
Number  Start   End     Size    File system  Name  Flags
 1      1049kB  40.0TB  40.0TB
 
 
Model: DELL PERC H710 (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
 
Number  Start   End     Size    Type     File system     Flags
 1      1049kB  21.5GB  21.5GB  primary  ext4            boot
 2      21.5GB  38.7GB  17.2GB  primary  linux-swap(v1)
 3      38.7GB  253GB   215GB   primary  ext4
 
 
(parted) quit
Information: You may need to update /etc/fstab.

 

[junhee.lee:root@root ~]# mkfs.xfs -L DATA0 /dev/sdb1
meta-data=/dev/sdb1              isize=256    agcount=37, agsize=268435455 blks
         =                       sectsz=512   attr=2
data     =                       bsize=4096   blocks=9766829568, imaxpct=5
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0
log      =internal log           bsize=4096   blocks=521728, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
[junhee.lee:root@root ~]# mount /dev/sdb1 /data0/
[junhee.lee:root@root ~]# mount -a
[junhee.lee:root@root ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda1              20G  1.3G   19G   7% /
tmpfs                  16G     0   16G   0% /dev/shm
/dev/sda3             197G  386M  197G   1% /usr/local/cdnet
/dev/sdb1              37T  5.2M   37T   1% /data0
[junhee.lee:root@root ~]#
[junhee.lee:root@root ~]# blkid
/dev/sda1: LABEL="ROOT" UUID="..." TYPE="ext4"
/dev/sda2: LABEL="SWAP" UUID="..." TYPE="swap"
/dev/sda3: LABEL="CDNET" UUID="..." TYPE="ext4"
/dev/sdb1: LABEL="DATA0" UUID="..." TYPE="xfs"

/etc/fstab 주석 해제 후 mount