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2018-08-21
linuxea:xen-server重启后报Read-only file system
出现状态:只读文件系统,如下,系统不能正常使用/usr/bin/xauth: error in locking authority file /root/.Xauthority Could not set property: 连接超时 Could not set property: Activation of org.freedesktop.hostname1 timed out Could not set property: Activation of org.freedesktop.hostname1 timed out Could not set property: Activation of org.freedesktop.hostname1 timed out -bash: /tmp/2018-08-10.Linuxea-VM-Node117.cluster.com.root.history-timestamp: 只读文件系统 -bash: /tmp/2018-08-10.Linuxea-VM-Node117.cluster.com.root.history-timestamp: Read-only file system [root@Linuxea-VM-Node117 ~]#检查root目录正常这里也只有一个文件,便不用删他[root@Linuxea-VM-Node117 /etc/logstash]# ll -a ~/.X* -rw------- 1 root root 563 8月 11 09:10 /root/.Xauthority而后挂载/rw解决[root@Linuxea-VM-Node117 ~]# mount -o remount,rw /由于fstab中没有挂载逐一挂载即可[root@Linuxea-VM-Node117 ~]# df -h 文件系统 容量 已用 可用 已用% 挂载点 devtmpfs 3.9G 0 3.9G 0% /dev tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 3.9G 8.4M 3.9G 1% /run tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/mapper/DG-root 13G 4.0G 8.6G 32% / /dev/mapper/DG-data 50G 49M 50G 1% /data tmpfs 799M 0 799M 0% /run/user/0[root@Linuxea-VM-Node117 ~]# lsblk -f NAME FSTYPE LABEL UUID MOUNTPOINT xvda ├─xvda2 LVM2_member jIyyxh-6U9R-3ev3-PcOA-pJog-nXuK-PlWkWQ │ ├─DTVG-swap swap f67ab7b3-1aab-4be4-a7e1-34e7606bde0e [SWAP] │ └─DTVG-root xfs 0b352b26-63dc-48b3-aa1b-b0296392c932 / └─xvda1 xfs b7b1cbe7-b4fb-4fd9-9665-ec0d3d6ba124 sr0 xvdb LVM2_member GEXALG-HWG0-cstS-170v-NPNg-B5Bd-wiShE8 └─DTVG-data xfs af1f29ec-6bb1-4c93-8d1e-d20038ced3d5 /data [root@Linuxea-VM-Node117 ~]# 挂载后重启即可[root@Linuxea-VM-Node117 ~]# cat /etc/fstab /dev/mapper/DTVG-root / xfs defaults 0 0 UUID=af1f29ec-6bb1-4c93-8d1e-d20038ced3d5 /data xfs defaults 0 0 /dev/DTVG/swap swap swap defaults 0 0 [root@Linuxea-VM-Node117 ~]#
2018年08月21日
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2017-03-28
Xenserver虚拟机磁盘扩容
查看VG[root@DS-VM-LinuxEA ~]# vgs VG #PV #LV #SN Attr VSize VFree DTVG 1 2 0 wz--n- 14.50g 0 [root@DS-VM-LinuxEA ~]# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert root DTVG -wi-ao---- 12.50g swap DTVG -wi-ao---- 2.00g 创建lvm[root@DS-VM-LinuxEA ~]# parted /dev/xvda GNU Parted 3.1 使用 /dev/xvda Welcome to GNU Parted! Type 'help' to view a list of commands. (parted) print free Model: Xen Virtual Block Device (xvd) Disk /dev/xvda: 85.9GB Sector size (logical/physical): 512B/512B Partition Table: msdos Disk Flags: Number Start End Size Type File system 标志 32.3kB 1049kB 1016kB Free Space 1 1049kB 525MB 524MB primary xfs 启动 2 525MB 16.1GB 15.6GB primary lvm 16.1GB 85.9GB 69.8GB Free Space (parted) mkpart 分区类型? primary/主分区/extended/扩展分区? extended 起始点? 16.1GB 结束点? 85.9GB (parted) print Model: Xen Virtual Block Device (xvd) Disk /dev/xvda: 85.9GB Sector size (logical/physical): 512B/512B Partition Table: msdos Disk Flags: Number Start End Size Type File system 标志 1 1049kB 525MB 524MB primary xfs 启动 2 525MB 16.1GB 15.6GB primary lvm 3 16.1GB 85.9GB 69.8GB extended lba (parted) mkpart 分区类型? primary/主分区/logical/逻辑分区? logical 文件系统类型? [ext2]? xfs 起始点? 16.1GB 结束点? 85.9GB (parted) t 分区编号? 5 Flag to Invert? lvm (parted) print Model: Xen Virtual Block Device (xvd) Disk /dev/xvda: 85.9GB Sector size (logical/physical): 512B/512B Partition Table: msdos Disk Flags: Number Start End Size Type File system 标志 1 1049kB 525MB 524MB primary xfs 启动 2 525MB 16.1GB 15.6GB primary lvm 3 16.1GB 85.9GB 69.8GB extended lba 5 16.1GB 85.9GB 69.8GB logical lvm (parted) w align-check TYPE N check partition N for TYPE(min|opt) alignment help [COMMAND] print general help, or help on COMMAND mklabel,mktable LABEL-TYPE create a new disklabel (partition table) mkpart PART-TYPE [FS-TYPE] START END make a partition 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 display the version number and copyright information of GNU Parted (parted) quit 信息: You may need to update /etc/fstab.[root@DS-VM-LinuxEA ~]# pvcreate /dev/xvda5 Physical volume "/dev/xvda5" successfully created.[root@DS-VM-LinuxEA ~]# vgextend DTVG /dev/xvda5 Volume group "DTVG" successfully extended[root@DS-VM-LinuxEA ~]# vgdisplay --- Volume group --- VG Name DTVG System ID Format lvm2 Metadata Areas 2 Metadata Sequence No 6 VG Access read/write VG Status resizable MAX LV 0 Cur LV 2 Open LV 2 Max PV 0 Cur PV 2 Act PV 2 VG Size 79.50 GiB PE Size 4.00 MiB Total PE 20353 Alloc PE / Size 3711 / 14.50 GiB Free PE / Size 16642 / 65.01 GiB VG UUID 5ZQ2hP-K9av-en3J-SWvu-skwa-x3Nt-uHrSX2[root@DS-VM-LinuxEA ~]# vgdisplay |grep Free Free PE / Size 16642 / 65.01 GiB[root@DS-VM-LinuxEA ~]# lvextend -l +16642 /dev/mapper/DTVG-root Size of logical volume DTVG/root changed from 12.50 GiB (3200 extents) to 77.51 GiB (19842 extents). Logical volume DTVG/root successfully resized.[root@DS-VM-LinuxEA ~]# xfs_growfs /dev/mapper/DTVG-root meta-data=/dev/mapper/DTVG-root isize=256 agcount=4, agsize=819200 blks = sectsz=512 attr=2, projid32bit=1 = crc=0 finobt=0 spinodes=0 data = bsize=4096 blocks=3276800, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=0 log =internal bsize=4096 blocks=2560, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 data blocks changed from 3276800 to 20318208至此为止扩容完毕[root@DS-VM-LinuxEA ~]# df -TH 文件系统 类型 容量 已用 可用 已用% 挂载点 devtmpfs devtmpfs 4.2G 0 4.2G 0% /dev tmpfs tmpfs 4.2G 168k 4.2G 1% /dev/shm tmpfs tmpfs 4.2G 8.9M 4.2G 1% /run tmpfs tmpfs 4.2G 0 4.2G 0% /sys/fs/cgroup /dev/mapper/DTVG-root xfs 84G 3.9G 80G 5% / /dev/xvda1 xfs 521M 225M 297M 44% /boot none aufs 84G 3.9G 80G 5% /var/lib/docker/aufs/mnt/d40c515614c6655cd9b07f3f21ce84dbe74465ec546da77a6c80ab9932eb2ae1 shm tmpfs 68M 0 68M 0% /var/lib/docker/containers/7778ffa2e362df5b1bd97869d363c82ed090085cf62efe4500c1def61b5cd309/shm tmpfs tmpfs 838M 0 838M 0% /run/user/0 [root@DS-VM-LinuxEA ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 7778ffa2e362 mysql_mariadb "/initialization.sh" 44 minutes ago Up 5 minutes mariadb [root@DS-VM-LinuxEA ~]#
2017年03月28日
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