创建xfs文件系统
[root@localhost ~]# fdisk /dev/sdp
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Device does not contain a recognized partition table
Building a new DOS disklabel with disk identifier 0x14650e5b.
The device presents a logical sector size that is smaller than
the physical sector size. Aligning to a physical sector (or optimal
I/O) size boundary is recommended, or performance may be impacted.
Command (m for help): n
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p):
Using default response p
Partition number (1-4, default 1):
First sector (2048-62914559, default 2048):
Using default value 2048
Last sector, +sectors or +size{K,M,G} (2048-62914559, default 62914559):
Using default value 62914559
Partition 1 of type Linux and of size 30 GiB is set
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
[root@localhost ~]# mkfs.xfs /dev/sdp1
specified blocksize 4096 is less than device physical sector size 8192
switching to logical sector size 512
meta-data=/dev/sdp1 isize=512 agcount=4, agsize=1966016 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0, sparse=0
data = bsize=4096 blocks=7864064, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal log bsize=4096 blocks=3839, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
[root@localhost ~]#
[root@localhost ~]# mkdir /zvol_redo
[root@localhost ~]# chown oracle. /zvol_redo
[root@localhost ~]# mount -t xfs /dev/sdp1 /zvol_redo
[root@localhost ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 126G 0 126G 0% /dev
tmpfs 126G 7.3G 119G 6% /dev/shm
tmpfs 126G 27M 126G 1% /run
tmpfs 126G 0 126G 0% /sys/fs/cgroup
/dev/mapper/centos-root 50G 6.3G 44G 13% /
/dev/md0 13T 12T 1.7T 88% /u01
/dev/sda1 1014M 151M 864M 15% /boot
/dev/mapper/centos-home 56G 16G 41G 28% /home
tmpfs 26G 0 26G 0% /run/user/1000
/dev/sdi1 59G 300M 59G 1% /mnt/fc_disk/fc-0x21000024FF2091C0-lun-4
/dev/sdj1 10T 2.3T 7.8T 23% /mnt/fc_disk/fc-0x21000024FF2091C0-lun-5
/dev/sdo1 8.8T 8.3T 534G 95% /mnt/fc_disk/fc-0x21000024FF2091C0-lun-6
/dev/sdn1 6.8T 124M 6.8T 1% /mnt/fc_disk/fc-0x21000024FF2091C0-lun-9
tmpfs 26G 0 26G 0% /run/user/54321
/dev/sdp1 30G 33M 30G 1% /zvol_redo
[root@localhost ~]#
想要启动时自动挂载XFS分区在/zvol_redo上,加入下列行到/etc/fstab:
/dev/sdp1 /zvol_redo xfs defaults 0 1
增加一个logfile 的member
alter database drop logfile member '/lvm_redo/redo22.log';
alter database drop logfile member '/lvm_redo/redo32.log';
alter system switch logfile;
alter database drop logfile member '/lvm_redo/redo12.log';
alter database add logfile member '/zvol_redo/redo12.log' to group 1;
alter database add logfile member '/zvol_redo/redo22.log' to group 2;
alter database add logfile member '/zvol_redo/redo32.log' to group 3;
set linesize 200
col member form a30
select * from v$log;
select * from v$logfile;
[oracle@localhost ~]$ ll /zvol_redo/
total 6291468
-rw-r-----. 1 oracle oinstall 2147484160 8月 31 15:32 redo12.log
-rw-r-----. 1 oracle oinstall 2147484160 8月 31 15:32 redo22.log
-rw-r-----. 1 oracle oinstall 2147484160 8月 31 15:32 redo32.log
[oracle@localhost ~]$