磁盘基本管理

1.1 基于ext4的磁盘限额实现

1.1.1 基于ext4的磁盘限额实现-前期准备

1) 本次实验需要1块硬盘作为测试盘,也可以使用系统盘(实验之中不推荐) 2) 本次实验目标盘为vda1,文件系统为ext4 3) 安装quota [root@localhost ~]# yum install quota -y 4) 启用quota-临时(本次有效) [root@localhost ~]# mkdir /mnt/files # 启用用户限额及组限额 [root@localhost ~]# mount -o usrquota,grpquota /dev/vda1 /mnt/files # 确认usrquota权限已被加载 [root@localhost ~]# mount | grep /mnt/files /dev/vda1 on /mnt/files type ext4 (rw,relatime,quota,usrquota,grpquota,data=ordered) # 更改属主及属组为snow [root@localhost ~]# chown snow. -R /mnt/files 5) 启用quota-永久 [root@localhost ~]# blkid | grep vda1 /dev/vda1: UUID="33f6a167-2db8-4e05-ba33-39544d5b419a" TYPE="ext4" [root@localhost ~]# vim /etc/fstab ...... ...... UUID=33f6a167-2db8-4e05-ba33-39544d5b419a /mnt/files ext4 defaults,usrquota,grpquota 1 2

1.1.2 基于ext4的磁盘限额实现-用户配额实现

1) 创建quota配置并启用用户限额 [root@localhost ~]# quotacheck -um /mnt/files [root@localhost ~]# quotaon -uv /mnt/files /dev/vda1 [/mnt/files]: user quotas turned on 2) 确认quota状态 [root@localhost ~]# quotaon -ap group quota on /mnt/files (/dev/vda1) is off user quota on /mnt/files (/dev/vda1) is on 3) 对用户snow设置限额 [root@localhost ~]# edquota -u snow 设置snow账户可用空间为30M,默认单位为KB Disk quotas for user snow (uid 1000): Filesystem blocks soft hard inodes soft hard /dev/vda1 0 0 30000 0 0 0 4) 确认对snow设置的限额 [root@localhost ~]# repquota -au *** Report for user quotas on device /dev/vda1 Block grace time: 7days; Inode grace time: 7days Block limits File limits User used soft hard grace used soft hard grace ---------------------------------------------------------------------- snow -- 20 0 30000 2 0 0

1.1.3 基于ext4的磁盘限额实现-组配额实现

1) 创建数据库并开启组配额 [root@localhost ~]# quotacheck -gm /mnt/files [root@localhost ~]# quotaon -gv /mnt/files /dev/vda1 [/mnt/files]: group quotas turned on [root@localhost ~]# quotaon -ap group quota on /mnt/files (/dev/vda1) is on user quota on /mnt/files (/dev/vda1) is on 2) 配置组配额 [root@localhost ~]# edquota -g snow Disk quotas for group snow (gid 1000): Filesystem blocks soft hard inodes soft hard /dev/vda1 20 0 500000 2 0 0 [root@localhost ~]# repquota -ag *** Report for group quotas on device /dev/vda1 Block grace time: 7days; Inode grace time: 7days Block limits File limits Group used soft hard grace used soft hard grace ---------------------------------------------------------------------- snow -- 20 0 500000 2 0 0

1.1.4 设置邮件告警

1) 设定监控目录 [root@localhost ~]# yum install quota-warnquota -y [root@localhost ~]# vim /etc/quotatab /dev/vda1: /mnt/files [root@localhost ~]# sed -i -e "s/example\.com/1000cc\.net/g" /etc/warnquota.conf [root@localhost ~]# warnquota -s You have new mail in /var/spool/mail/root

1.2 基于xfs的磁盘限额实现

1.2.1 基于xfs的磁盘限额实现-前期准备

1) 本次实验需要1块硬盘作为测试盘,也可以使用系统盘(实验之中不推荐) 2) 本次实验目标盘为vda1,文件系统为xfs 3) 安装quota [root@localhost ~]# yum install quota -y 4) 启用quota-临时(本次有效) [root@localhost ~]# mkdir /mnt/files # 启用用户限额及组限额 [root@localhost ~]# mount -o usrquota,grpquota /dev/vda1 /mnt/files [root@localhost ~]# mount | grep /mnt/files /dev/vda1 on /mnt/files type xfs (rw,relatime,attr2,inode64,usrquota,grpquota) [root@localhost ~]# chown snow. -R /mnt/files/ 5) 启用quota-永久 [root@localhost ~]# blkid | grep vda1 /dev/vda1: UUID="56a895f8-a004-4ace-9bff-327a7b71bf4e" TYPE="xfs" [root@localhost ~]# vim /etc/fstab ...... ...... UUID=56a895f8-a004-4ace-9bff-327a7b71bf4e /mnt/files xfs defaults,usrquota,grpquota 1 2

1.2.2 基于xfs的磁盘限额实现-用户配额实现

1) 创建quota配置并启用用户限额(挂载中必须含有usrquota及grpquota权限) [root@localhost ~]# xfs_quota -x /mnt/files # 确认当前状态 xfs_quota> state User quota state on /mnt/files (/dev/vda1) Accounting: ON Enforcement: ON Inode: #67 (1 blocks, 1 extents) Group quota state on /mnt/files (/dev/vda1) Accounting: ON Enforcement: ON Inode: #68 (1 blocks, 1 extents) Project quota state on /mnt/files (/dev/vda1) Accounting: OFF Enforcement: OFF Inode: #68 (1 blocks, 1 extents) Blocks grace time: [7 days] Inodes grace time: [7 days] Realtime Blocks grace time: [7 days] # 显示使用报告 xfs_quota> report -h User quota on /mnt/files (/dev/vda1) Blocks User ID Used Soft Hard Warn/Grace ---------- --------------------------------- root 0 0 0 00 [------] Group quota on /mnt/files (/dev/vda1) Blocks Group ID Used Soft Hard Warn/Grace ---------- --------------------------------- root 0 0 0 00 [------] # 设置snow账户软限额为20M,硬限额为30M xfs_quota> limit bsoft=20m bhard=30m snow # 确认设置 xfs_quota> report -h -u User quota on /mnt/files (/dev/vda1) Blocks User ID Used Soft Hard Warn/Grace ---------- --------------------------------- root 0 0 0 00 [------] snow 0 20M 30M 00 [------] xfs_quota>quit

1.2.3 基于xfs的磁盘限额实现-组配额实现

[root@localhost ~]# xfs_quota -x -c 'limit -g bsoft=1g bhard=2g snow' /mnt/files [root@localhost ~]# xfs_quota -x -c 'report -h -g' /mnt/files Group quota on /mnt/files (/dev/vda1) Blocks Group ID Used Soft Hard Warn/Grace ---------- --------------------------------- root 0 0 0 00 [------] snow 0 1G 2G 00 [------]

1.2.4 设置邮件告警

1) 设定监控目录 [root@localhost ~]# yum install quota-warnquota -y [root@localhost ~]# vim /etc/quotatab /dev/vda1: /mnt/files [root@localhost ~]# sed -i -e "s/example\.com/1000cc\.net/g" /etc/warnquota.conf [root@localhost ~]# warnquota -s You have new mail in /var/spool/mail/root

2.1 RAID1

1) 本实验采用2块磁盘，为vda/vdb 2) 创建新分区并标记为RAID类型 # mklabel 可以为msdos [root@localhost ~]# parted --script /dev/vda "mklabel gpt" [root@localhost ~]# parted --script /dev/vdb "mklabel gpt" # 可以按GB进行划分: parted --script /dev/sdb unit GB "mkpart primary 0 2" [root@localhost ~]# parted --script /dev/vda "mkpart primary 0% 100%" [root@localhost ~]# parted --script /dev/vdb "mkpart primary 0% 100%" [root@localhost ~]# parted --script /dev/vda "set 1 raid on" [root@localhost ~]# parted --script /dev/vdb "set 1 raid on" 3) 配置RAID1 [root@localhost ~]# yum install mdadm -y [root@localhost ~]# mdadm --create /dev/md0 --level=raid1 --raid-devices=2 /dev/vda1 /dev/vdb1 mdadm: Note: this array has metadata at the start and may not be suitable as a boot device. If you plan to store '/boot' on this device please ensure that your boot-loader understands md/v1.x metadata, or use --metadata=0.90 Continue creating array? y mdadm: Defaulting to version 1.2 metadata mdadm: array /dev/md0 started. [root@localhost ~]# cat /proc/mdstat # 同步状态 Personalities : [raid1] md0 : active raid1 vdb1[1] vda1[0] 20952064 blocks super 1.2 [2/2] [UU] [====>................] resync = 20.2% (4244352/20952064) finish=3.3min speed=81991K/sec unused devices: <none> # 同步结束 [root@localhost ~]# cat /proc/mdstat Personalities : [raid1] md0 : active raid1 vdb1[1] vda1[0] 20952064 blocks super 1.2 [2/2] [UU] unused devices: <none> 4) 将要巡检的RAID加入至cron中 [root@localhost ~]# vim +57 /etc/sysconfig/raid-check ...... ...... # 57行，将需要巡检的设备加入 CHECK_DEVS="md0" ...... ...... 5) 故障处理 # vdb1丢失 [root@localhost ~]# cat /proc/mdstat Personalities : [raid1] md0 : active (auto-read-only) raid1 vda1[0] 83818496 blocks super 1.2 [2/1] [U_] unused devices: <none> # 重新配置RAID1 [root@localhost ~]# mdadm --manage /dev/md0 --add /dev/vdb1 mdadm: added /dev/vdb1 [root@localhost ~]# cat /proc/mdstat Personalities : [raid1] md0 : active raid1 vda1[1] vdb1[0] 83818496 blocks super 1.2 [2/2] [UU] [======>..............] resync = 31.0% (26044416/83818496) finish=4.7min speed=201190K/sec unused devices: <none> 6) 删除RAID1 [root@localhost ~]# mdadm -S /dev/md0 mdadm: stopped /dev/md0 [root@localhost ~]# mdadm --misc --zero-superblock /dev/vda1 [root@localhost ~]# mdadm --misc --zero-superblock /dev/vdb1

2.2 RAID5

1) 本实验采用2块磁盘，为vda/vdb/vdc 2) 创建新分区并标记为RAID类型 [root@localhost ~]# parted --script /dev/vda "mklabel gpt" [root@localhost ~]# parted --script /dev/vdb "mklabel gpt" [root@localhost ~]# parted --script /dev/vdc "mklabel gpt" [root@localhost ~]# parted --script /dev/vda "mkpart primary 0% 100%" [root@localhost ~]# parted --script /dev/vdb "mkpart primary 0% 100%" [root@localhost ~]# parted --script /dev/vdc "mkpart primary 0% 100%" [root@localhost ~]# parted --script /dev/vda "set 1 raid on" [root@localhost ~]# parted --script /dev/vdb "set 1 raid on" [root@localhost ~]# parted --script /dev/vdc "set 1 raid on" 3) 配置RAID5 [root@localhost ~]# yum install mdadm -y [root@localhost ~]# mdadm --create /dev/md0 --level=raid5 --raid-devices=3 /dev/vda1 /dev/vdb1 /dev/vdc1 mdadm: Defaulting to version 1.2 metadata mdadm: array /dev/md0 started. [root@localhost ~]# cat /proc/mdstat # 同步状态 Personalities : [raid1] [raid6] [raid5] [raid4] md0 : active raid5 vdc1[3] vdb1[1] vda1[0] 41904128 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/2] [UU_] [=>...................] recovery = 5.5% (1156736/20952064) finish=4.2min speed=77115K/sec unused devices: <none> # 同步结束 [root@localhost ~]# cat /proc/mdstat Personalities : [raid1] [raid6] [raid5] [raid4] md0 : active raid5 vdc1[3] vdb1[1] vda1[0] 41904128 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/3] [UUU] unused devices: <none>

3.1 实现LUKS

1) 创建加密设备 # 注意大小写 [root@localhost ~]# cryptsetup luksFormat /dev/vda1 WARNING! ======== This will overwrite data on /dev/vda1 irrevocably. Are you sure? (Type uppercase yes): YES Enter passphrase for /dev/vda1: # 设定加密口令 Verify passphrase: 2) 设定加密分区的映射名 [root@localhost ~]# cryptsetup luksOpen /dev/vda1 snowsecret Enter passphrase for /dev/vda1: # 输入加密口令 3) 确认状态 [root@localhost ~]# ll /dev/mapper/snowsecret lrwxrwxrwx 1 root root 7 Feb 14 01:01 /dev/mapper/snowsecret -> ../dm-2 4) 格式化并挂载 [root@localhost ~]# mkfs.ext4 /dev/mapper/snowsecret [root@localhost ~]# mount /dev/mapper/snowsecret /mnt [root@localhost ~]# df -Th | grep /mnt /dev/mapper/snowsecret ext4 20G 45M 19G 1% /mnt 5) 查看加密分区映射对应的分区 [root@localhost ~]# cryptsetup status snowsecret /dev/mapper/snowsecret is active and is in use. type: LUKS1 cipher: aes-xts-plain64 keysize: 256 bits key location: dm-crypt device: /dev/vda1 sector size: 512 offset: 4096 sectors size: 41936896 sectors mode: read/write

3.2 实现自启动LUKS分区

[root@localhost ~]# touch /root/cryptpasswd [root@localhost ~]# cryptsetup luksAddKey /dev/sdb1 /root/cryptpasswd Enter any passphrase: # 输入加密口令 [root@localhost ~]# vim /etc/crypttab 格式说明:映射名 分区 密码本 snowsecret /dev/vda1 /root/cryptpasswd [root@localhost ~]# vim /etc/fstab ...... ...... ...... ...... ...... ...... /dev/mapper/snowsecret /mnt ext4 defaults 1 2

3.3 关闭LUKS

[root@localhost ~]# umount /mnt [root@localhost ~]# cryptsetup luksClose /dev/mapper/snowsecret

4.1 创建LVM

1) 本实验三块磁盘vda/vdb/vdc 2) 创建PV [root@localhost ~]# pvcreate /dev/vd[a-b]1 Physical volume "/dev/vda1" successfully created. Physical volume "/dev/vdb1" successfully created. [root@localhost ~]# pvs PV VG Fmt Attr PSize PFree /dev/vda1 lvm2 --- <20.00g <20.00g /dev/vdb1 lvm2 --- <20.00g <20.00g 3) 创建VG [root@localhost ~]# vgcreate snowvg /dev/vd[a-b]1 Volume group "snowvg" successfully created [root@localhost ~]# vgs VG #PV #LV #SN Attr VSize VFree snowvg 2 0 0 wz--n- 39.99g 39.99g 4) 创建LV [root@localhost ~]# lvcreate -L 30G -n lisalv snowvg Logical volume "lisalv" created. [root@localhost ~]# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert lisalv snowvg -wi-a----- 30.00g 5) 使用LV [root@localhost ~]# mkfs.ext4 /dev/snowvg/lisalv [root@localhost ~]# mount /dev/snowvg/lisalv /mnt/ [root@localhost ~]# df -Th | grep /mnt /dev/mapper/snowvg-lisalv ext4 30G 45M 28G 1% /mnt

4.2 扩容/缩减

4.2.1 扩容/缩减LV-EXT4

1) 扩容LV(由上述的30G增加到32G) [root@localhost ~]# lvextend -L +2G -f -r /dev/snowvg/lisalv Size of logical volume snowvg/lisalv changed from 30.00 GiB (7680 extents) to 32.00 GiB (8192 extents). Logical volume snowvg/lisalv successfully resized. resize2fs 1.42.9 (28-Dec-2013) Filesystem at /dev/mapper/snowvg-lisalv is mounted on /mnt; on-line resizing required old_desc_blocks = 4, new_desc_blocks = 4 The filesystem on /dev/mapper/snowvg-lisalv is now 8388608 blocks long. [root@localhost ~]# df -Th | grep /mnt /dev/mapper/snowvg-lisalv ext4 32G 45M 22G 1% /mnt 2) 缩减LV(由上述的32G缩减到23G) [root@localhost ~]# lvreduce -L -9G -f -r /dev/snowvg/lisalv Do you want to unmount "/mnt" ? [Y|n] y fsck from util-linux 2.23.2 /dev/mapper/snowvg-lisalv: 11/2097152 files (0.0% non-contiguous), 176706/8388608 blocks resize2fs 1.42.9 (28-Dec-2013) Resizing the filesystem on /dev/mapper/snowvg-lisalv to 6029312 (4k) blocks. The filesystem on /dev/mapper/snowvg-lisalv is now 6029312 blocks long. Size of logical volume snowvg/lisalv changed from 32.00 GiB (8192 extents) to 23.00 GiB (5888 extents). Logical volume snowvg/lisalv successfully resized. [root@localhost ~]# df -Th | grep /mnt /dev/mapper/snowvg-lisalv ext4 23G 45M 22G 1% /mnt

4.2.2 扩容LV-XFS

1) 缩减LV--XFS不支持 # 如果要收缩某个LV，就必须删除掉。但是需要做好备份 (1) 需要安装xfsdump工具 (2) 做好备份(语法: -f 备份文档 备份的目录) [root@localhost ~]# xfsdump -f /mnt.xfsdump /mnt (3) 待创建好新的lv后，在进行恢复(语法: -f 恢复文档 恢复的目的目录) [root@localhost ~]# xfsrestore -f /home.xfsdump /home 2) 增加LV [root@localhost ~]# df -Th | grep /mnt /dev/mapper/snowvg-lisalv xfs 23G 33M 23G 1% /mnt # 扩展LV [root@localhost ~]# lvextend -L +5G /dev/snowvg/lisalv Size of logical volume snowvg/lisalv changed from 23.00 GiB (5888 extents) to 28.00 GiB (7168 extents). Logical volume snowvg/lisalv successfully resized. # 延展XFS [root@localhost ~]# xfs_growfs /mnt meta-data=/dev/mapper/snowvg-lisalv isize=512 agcount=4, agsize=1507328 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=0 spinodes=0 data = bsize=4096 blocks=6029312, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=1 log =internal bsize=4096 blocks=2944, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 data blocks changed from 6029312 to 7340032 [root@localhost ~]# df -Th | grep /mnt /dev/mapper/snowvg-lisalv xfs 28G 33M 28G 1% /mnt

4.2.3 扩容/缩减VG与PV

1) 扩容VG (1) 增加PV [root@localhost ~]# pvs PV VG Fmt Attr PSize PFree /dev/vda1 snowvg lvm2 a-- <20.00g 0 /dev/vdb1 snowvg lvm2 a-- <20.00g 16.99g [root@localhost ~]# pvcreate /dev/vdc1 Physical volume "/dev/vdc1" successfully created. [root@localhost ~]# pvs PV VG Fmt Attr PSize PFree /dev/vda1 snowvg lvm2 a-- <20.00g 0 /dev/vdb1 snowvg lvm2 a-- <20.00g 16.99g /dev/vdc1 lvm2 --- <20.00g <20.00g (2) 扩容VG [root@localhost ~]# vgextend snowvg /dev/vdc1 Volume group "snowvg" successfully extended [root@localhost ~]# vgs VG #PV #LV #SN Attr VSize VFree snowvg 3 1 0 wz--n- <59.99g <36.99g 2) 缩减VG (1) 确保数据能够腾出一块磁盘 (2) 缩减vg [root@localhost ~]# vgreduce snowvg /dev/vdc1 Removed "/dev/vdc1" from volume group "snowvg" [root@localhost ~]# vgs VG #PV #LV #SN Attr VSize VFree snowvg 2 1 0 wz--n- 39.99g 16.99g (3) 缩减pv [root@localhost ~]# pvremove /dev/vdc1 Labels on physical volume "/dev/vdc1" successfully wiped. [root@localhost ~]# pvs PV VG Fmt Attr PSize PFree /dev/vda1 snowvg lvm2 a-- <20.00g 0 /dev/vdb1 snowvg lvm2 a-- <20.00g 16.99g [root@localhost ~]#

4.3 LVM快照

1) 创建快照,快照的名字为slisalv [root@localhost ~]# lvcreate -L 100M -s -n slisalv /dev/snowvg/lisalv Logical volume "slisalv" created. 2) 使用快照(快照可以直接使用,无需其他操作) [root@localhost ~]# mount /dev/snowvg/slisalv /mnt [root@localhost ~]# df -Th | grep /mnt /dev/mapper/snowvg-slisalv xfs 28G 33M 28G 1% /mnt

6.1 创建镜像型LV

[root@localhost ~]# vgcreate snowvg_mirror /dev/vd[a-b]1 Volume group "snowvg_mirror" successfully created [root@localhost ~]# lvcreate -L 4G -m1 -n lisalv_mirror snowvg_mirror Logical volume "lisalv_mirror" created. # 查看Cpy%Sync正在同步 [root@localhost ~]# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert lisalv_mirror snowvg_mirror rwi-a-r--- 4.00g 31.48 # 查看Cpy%Sync同步完成 [root@localhost ~]# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert lisalv_mirror snowvg_mirror rwi-a-r--- 4.00g 100.00

6.2 对现有LV添加镜像能力

[root@localhost ~]# pvcreate /dev/vdc1 [root@localhost ~]# vgextend snowvg /dev/vdc1 [root@localhost ~]# lvconvert -m1 /dev/snowvg/lisalv /dev/vdc1

6.3 修改故障的镜像LV

1) 确认当前镜像LV的状态 [root@localhost ~]# lvs -a -o +devices LV VG Attr LSize ......Cpy%Sync Convert Devices lisalv_mirror snowvg_mirror rwi-a-r--- 4.00g 100.00 lisalv_.... [lisalv_mirror_rimage_0] snowvg_mirror iwi-aor--- 4.00g /dev/vda1(1) [lisalv_mirror_rimage_1] snowvg_mirror iwi-aor--- 4.00g /dev/vdb1(1) [lisalv_mirror_rmeta_0] snowvg_mirror ewi-aor--- 4.00m /dev/vda1(0) [lisalv_mirror_rmeta_1] snowvg_mirror ewi-aor--- 4.00m /dev/vdb1(0) 2) 模拟破坏某个PV [root@localhost ~]# dd if=/dev/zero of=/dev/vdb1 count=10 3) 确认破坏状态 [root@localhost ~]# lvs -a -o +devices LV VG Attr LSize ......Cpy%Sync Convert Devices lisalv_mirror snowvg_mirror rwi-a-r--- 4.00g 100.00 lisalv_.... [lisalv_mirror_rimage_0] snowvg_mirror iwi-aor--- 4.00g /dev/vda1(1) [lisalv_mirror_rimage_1] snowvg_mirror iwi-aor--- 4.00g [unknown](1) [lisalv_mirror_rmeta_0] snowvg_mirror ewi-aor--- 4.00m /dev/vda1(0) [lisalv_mirror_rmeta_1] snowvg_mirror ewi-aor--- 4.00m [unknown](0) 4) 移除破坏掉的设备 [root@localhost ~]# vgreduce --removemissing --force snowvg_mirror 5) 解除LV的镜像功能 [root@localhost ~]# lvconvert -m0 /dev/snowvg_mirror/lisalv_mirror Are you sure you want to convert raid1 LV snowvg_mirror/lisalv_mirror to type linear losing all resilience? [y/n]: y Logical volume snowvg_mirror/lisalv_mirror successfully converted. 6) 加入新盘并转换为镜像 [root@localhost ~]# pvcreate /dev/vdc1 Physical volume "/dev/vdc1" successfully created. [root@localhost ~]# vgextend snowvg_mirror /dev/vdc1 Volume group "snowvg_mirror" successfully extended [root@localhost ~]# lvconvert -m1 /dev/snowvg_mirror/lisalv_mirror /dev/vdc1 Are you sure you want to convert linear LV snowvg_mirror/lisalv_mirror to raid1 with 2 images enhancing resilience? [y/n]: y Logical volume snowvg_mirror/lisalv_mirror successfully converted. 7) 数据开始同步 [root@localhost ~]# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert lisalv_mirror snowvg_mirror rwi-a-r--- 4.00g 48.28 8) 数据同步结束 [root@localhost ~]# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert lisalv_mirror snowvg_mirror rwi-a-r--- 4.00g 100.00