Linux下挂载大容量存储
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Linux下挂载大容量存储
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//系統(tǒng)
# cat /etc/redhat-release
CentOS release 6.8 (Final)
# uname -r
2.6.32-642.el6.x86_64
//fdisk -l查看是否檢測(cè)到大容量存儲(chǔ)設(shè)備
# fdisk -l
Disk /dev/sdb: 17998.6 GB, 17998597324800 bytes
255 heads, 63 sectors/track, 2188204 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
//安裝必要的包
# yum -y install kmod-xfs xfsprogs
# modprobe xfs //載入xfs文件系統(tǒng)模塊
# lsmod |grep xfs //查看是否載入了xfs模塊
//開始使用parted進(jìn)行分區(qū),如要進(jìn)行多分區(qū)操作類似,這里只進(jìn)行一個(gè)分區(qū)
# parted /dev/sdb
GNU Parted 2.1
使用 /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) mklabel gpt //設(shè)置分區(qū)表格式為gpt
警告: The existing disk label on /dev/sdb will be destroyed and all data on this disk will be lost. Do you want to
continue?
是/Yes/否/No? yes
(parted) mkpart primary 0 -1 //設(shè)置第一個(gè)分區(qū)的容量大小 0 -1 表示所有,注意要建立多個(gè)分區(qū)必須先設(shè)置分區(qū)標(biāo)志,我這里只設(shè)置一個(gè)分區(qū)所以可以不設(shè)置
警告: The resulting partition is not properly aligned for best performance.
忽略/Ignore/放棄/Cancel? ignore
(parted) p //查看結(jié)果
Model: DELL PERC H310 (scsi)
Disk /dev/sdb: 18.0TB
Sector size (logical/physical): 512B/512B
Partition Table: gptNumber Start End Size File system Name 標(biāo)志1 17.4kB 18.0TB 18.0TB primary
(parted) quit //退出parted
//進(jìn)行格式化
# mkfs.xfs /dev/sdb
sdb sdb1
# mkfs.xfs /dev/sdb1 //注意格式化的分區(qū)為sdb1不是sdb,如果進(jìn)行了多分區(qū)還會(huì)有sdb2....
meta-data=/dev/sdb1 isize=256 agcount=17, agsize=268435455 blks= sectsz=512 attr=2, projid32bit=0
data = bsize=4096 blocks=4394188551, 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
//格式化完成的時(shí)間,容量越大需要的時(shí)間越多
//查看是否格式成功,并掛載
# fdisk -l
Disk /dev/sdb: 17998.6 GB, 17998597324800 bytes
255 heads, 63 sectors/track, 2188204 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000Device Boot Start End Blocks Id System
/dev/sdb1 1 267350 2147483647+ ee GPT
//進(jìn)行掛載,我掛載到/home/storage/目錄下
# mount /dev/sdb1 /home/storage/
# df -h //查看是否成功
/dev/sdb1 17T 33M 17T 1% /home/storage
//設(shè)置開機(jī)掛載
# echo "mount /dev/sdb1 /home/storage/" >> /etc/rc.local
//也可以添加至fstab 讓系統(tǒng)啟動(dòng)自動(dòng)掛載
//獲取UUID
# blkid /dev/sdb1
/dev/sdb1: UUID="6a5ebd95-0d5f-4095-be85-42c95a36b079" TYPE="xfs"
# echo "UUID=6a5ebd95-0d5f-4095-be85-42c95a36b079 /home/storage xfs 1 2" >> /etc/fstab
//完成
//補(bǔ)充一個(gè)錯(cuò)誤和解決方法
//若使用查看大容量存儲(chǔ)
#fdisk -l
//出現(xiàn)如下提示,應(yīng)該怎么解決?
//我翻閱了大量的資料顯示出現(xiàn)這個(gè)錯(cuò)誤只是fdisk命令不支持GPT分區(qū)表,所以這個(gè)WARNING可以不處理
WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.
//先進(jìn)入parted分區(qū)
# parted /dev/sdb
GNU Parted 2.1
使用 /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print
Model: DELL PERC H310 (scsi)
Disk /dev/sdb: 24.0TB
Sector size (logical/physical): 512B/512B
Partition Table: msdosNumber Start End Size Type File system 標(biāo)志(parted)
//可以看到Partition Table為msdos
//使用命令mklabel msdos 刪除這個(gè)分區(qū)
(parted) mklabel msdos
警告: The existing disk label on /dev/sdb will be destroyed and all data on this disk will be lost. Do you want to
continue?
是/Yes/否/No? yes
(parted) quit
//退出parted,再次使用fdisk -l查看,錯(cuò)誤消失,然后可以使用parted命令進(jìn)行重新分區(qū)和格式化
//再補(bǔ)充一個(gè)問題,如下
# mkfs.xfs /dev/sdb1
mkfs.xfs: /dev/sdb1 appears to contain an existing filesystem (xfs).
mkfs.xfs: Use the -f option to force overwrite.
//使用mkfs.xfs命令對(duì)/dev/sdb1進(jìn)行格式化出現(xiàn) 已包含xfs文件系統(tǒng)提示
//解決方法,添加-f選項(xiàng)
# mkfs.xfs -f /dev/sdb1
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