IBM FlashSystem 840 and 900 Service Manual
IBM FlashSystem 840 and 900 Service Manual IBM FlashSystem 840,900 Default user name and password: superuser/passw0rd Enclosure health LEDs ・ Enclosure health LEDs.pdf | Battery reconditioning ・ Battery reconditioning.pdf | ・ Battery reconditioning results in a degraded battery on 1.6.0.X firmware.pdf | Replacing a battery module ・ Battery module LEDs.pdf | ・ Replacing a battery module.pdf | ・ 02CL208,N98856K,R0,WORD,SRC - 2019-01-03_5.pdf | ・ Required procedure prior t...
LVM volume group fails to be activated in another server due to system id mismatch
LVM volume group fails to be activated in another server due to system id mismatch Applies to Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 9 LVM2 Symptoms ~]# vgchange -ay G350_VG01Cannot access VG G350_VG01 with system ID DBNODE02 with unknown local system ID. Cause The system_id_source = "uname" option is missing in /etc/lvm/lvm.conf. Solution Set system_id_source = "uname" in /etc/lvm/lvm.conf. Then execute command below to activate volume group. ~]# vgchange -y --config ...
Server Stuck at Booting with Timed out waiting for device
Server Stuck at Booting with Timed out waiting for device Applies to RedHat 8.4 and later Symptoms The server connects to the storage system using a Fibre Channel card and has more than 35 LUNs. However, after the restart, booting fails with below error and enter emergency mode: Starting Switch Root...[ TIME ] Timed out waiting for device dev-mapper-rhel\x2dhome.device.[DEPEND] Dependency failed for /home.[DEPEND] Dependency failed for Local File Systems.[DEPEND] Dependency failed for Ma...
How to install a group of packages on redhat
How to install a group of packages on redhat ・ How to install a group of packages with yum on Red Hat Enterprise Linux.pdf | RedHat 8 ~]# dnf grouplistUpdating Subscription Management repositories.Red Hat Enterprise Linux 8.7.0 BaseOS 240 kB/s | 2.8 kB 00:00Red Hat Enterprise Linux 8.7.0 AppStream ...
Fixing ixgbe unsupported SFP+ or QSFP module type was detected
Fixing ixgbe unsupported SFP+ or QSFP module type was detected CentOS 7.6 - 3.10.0-957.27.8.2.g295089a.el7.x86_64 A server was not able to detect a new SFP module that was inserted. Digging into the kernel logs, the kernel had previously complained about this slot: ~]# lspci -vvv | grep -i net3b:00.0 Ethernet controller: Intel Corporation Ethernet Controller 10G X550T (rev 01)3b:00.1 Ethernet controller: Intel Corporation Ethernet Controller 10G X550T (rev 01)5e:00.0 Ethernet controller: I...
Installing Pacemaker Corosync Cluster on RHEL 8
Installing Pacemaker Corosync Cluster on RHEL 8 RHEL 8.7 Setting Media ISO repository ・ Configuring Yum Repositories Enable High Availability Repository subscription-manager registersubscription-manager repos --enable=rhel-8-for-x86_64-highavailability-rpms Configuring Network ・ Configuring Network Bonding on RHEL 7,8 nmcli con add type bond con-name bond0 ifname bond0 bond.options "mode=active-backup,miimon=1000"nmcli con add type bond con-name bond1 ifname bond1 bond.options "mode=act...
Oracle Exadata Service Manual
Oracle Exadata Service Manual X7/X8/X9 Replacement: Storage Cell Server F640 Flash Card ・ How to Replace an ExadataZDLRA X7,X8,X9 Storage Cell Server F640 Flash Card (Doc ID 2362260.1).pdf | 根据更换手册，该部件可以热拔插更换，但是实际操作中，热拔插可能会导致存储节点异常重启或 IO 异常，所以建议停机更换。 更换记录： 维护前准备工作。 a) 记录故障存储节点基本信息。 ~]# ipmitool sunoem cli "show /SYS product_serial_number"~]# ipmitool sunoem cli "show /SP/network"~]# ipmitool sunoem cli "show faulty" b) 确认故障存储节点前面板 DO NOT SERVICE 灯未亮起。 ~]# cellcli -e list cell detail ...
IBM Storage System DS8870 Service Manual
IBM Storage System DS8870 Service Manual Perform Data Collection On Demand 适用于微码 64.xx 或以上版本 选择 Storage Facility Management ，选择相应的 Storage Facility ，在 SF Image#1 选项界面下选择 Data Collection Tasks 选择选择 Perform Data Collection On Demand… 选择选择 General PE Package 选择选择 New General Pakage , 一定要将 Auto Offload 选项取消掉，点击 OK 继续: PE Package 的收集会运行大约 20-40 分钟： 收集结束后，弹出如下窗口。全选所有文件，按 Offload 将所有文件打包 Offload 完成之后，会弹出一个提示框，表示 PE Package 的收集将会生成一个 SRC 为 BEB00010 的 Serviceable Event，点 OK 继续： ...
Seat Disk Exhaustion on VCSA
Seat Disk Exhaustion on VCSA Applies To VMware VirtualCenter 7.0.3 build-21477706 Cause The /storage/seat usage has reached 80%. root@localhost [ ~ ]# df -hT /storage/seatFilesystem Type Size Used Avail Use% Mounted on/dev/mapper/seat_vg-seat ext4 9.8G 7.4G 1.9G 80% /storage/seat Solution Edit setting of vCenter VM, expand Hard Disk 8 capacity from 10G to 15G. SSH to VCSA, run the /usr/lib/applmgmt/support/scripts/au...
About pacemaker ping resource
About ocf pacemaker ping resource According to the /usr/lib/ocf/resource.d/pacemaker/ping, $OCF_RESKEY_timeout=6, $OCF_RESKEY_attempts=3, i.e ping -n -q -W 6 -c 3 10.210.123.1. "ocf:pacemaker:ping"OCF_RESKEY_attempts = integer [] no. of ping attempts Number of ping attempts, per host, before declaring it deadOCF_RESKEY_timeout = integer [] ping timeout in seconds How long, in seconds, to wait before declaring a ping lost Create a ping resource. pcs resource create testping ping host_list...
