Author Archives: edit

linux firewalld tutorial

firewalld tutorial – is firewalld running? firewall-cmd –state – start firewalld systemctl start firewalld.service firewall-cmd –state – what is the default zone? firewall-cmd –get-default-zone – what zones are active on which interfaces? firewall-cmd –get-active-zones – what are the service settings … Continue reading

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sdvmdr_temp_example

Download Ontap 9 Command-line by Example (amazon.com) Step 1 Step 2 Step 3

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netapp altavault -> AWS quick and dirty

Download Ontap 9 Command-line by Example (amazon.com) 1. deploy altavault ova. 2. add vmdk for local storage 3. power on 4. login with ssh admin/password – set new password and configure networking 5. browser login – storage optimization service is critical … Continue reading

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enx{mac} instead of eth0 (raspberry pi)

edit: /lib/udev/rules/73-usb-net-by-mac.rules change: ACTION==”add”, SUBSYSTEM==”net”, SUBSYSTEMS==”usb”, NAME==”", \ ATTR{address}==”?[014589cd]:*”, \ TEST!=”/etc/udev/rules.d/80-net-setup-link.rules”, \ IMPORT{builtin}=”net_id”, NAME=”$env{ID_NET_NAME_MAC}” Change the NAME at the end as follows: into: ACTION==”add”, SUBSYSTEM==”net”, SUBSYSTEMS==”usb”, NAME==”", \ ATTR{address}==”?[014589cd]:*”, \ TEST!=”/etc/udev/rules.d/80-net-setup-link.rules”, \ IMPORT{builtin}=”net_id”, NAME=”eth0″

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commvault cvcsa

CVCSA

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Protected: CommVault CVCSA

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netapp snapmirror vault and svmdr in 10 steps

netapp snapmirror vault and svmdr in 10 steps

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netapp svmdr nfs example

In this example you will setup SVMDR, with identity-preserve. Clusters cl1 and cl2 have already been peered. You will exclude a volume from replication and perform a DR action with resync in both directions. 1. Create the two SVMs drsource … Continue reading

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netapp snapvault cdot example

In this example you will setup an NFS SVM and snapvault the nfs export volume to a second SVM destination volume. You will setup an XDP snapmirror relationship. Then you will create file in the source volume and restore them … Continue reading

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netapp snapmirror dr with lun example

Snapmirror DR in a SAN environment. In this example you will create two SVMs. The src_svm has a src_volume, the dest_svm will have a dest_volume of the type DP. The two SVMs will be peered. The cluster cl1 and cl2 … Continue reading

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Netapp iscsi DR example

  In this example we will create two SVMs. The source_svm has a source_volume, the dest_svm will have a dest_volume of the type DP. The two SVMs will be peered. The cluster cl1 and cl2 are already peered. We will … Continue reading

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netapp cdot lunexample failover dr

Cluster names: cl1 and cl2 Vserver names:source and dest Volume names: lvol1 and dest Ip-addresses 192.168.4.222 and 192.168.4.223 cl1::> vserver create -vserver source -subtype default -rootvolume rv -aggregate n1_aggr1 -rootvolume-security-style unix cl1::> vol create -vserver source -volume lvol -aggregate n1_aggr2 … Continue reading

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netapp performance stuff

Some performance commands: top client/file , network test-path , max-xfer , qos-policy cl1::> statistics top client show        cl1 : 5/15/2017 19:43:56 *Estimated Total IOPS Protocol   Node Vserver Client ———- ——– —— ——- ————- 34      … Continue reading

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netapp example lun failover snapmirror ontap 9.x

This is an example LUN failover. Two peered clusters (not discussed) Two peered svms. Two volumes in a snapmirror relationship. This is about changing the LUN serial number so that the initiator does not have to do a rescan of … Continue reading

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netapp trimming log files via cronjob

Most (if not all) management on ONTAP can be done from the CLI or SystemManager. If you want to run some scripts of your own, there is a way to do that. If you are not familiar with UNIX/Linux, don’t … Continue reading

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SnapCenter unregister VSC

On the VSC server edit the file \Program Files\Netapp\Virtual Storage Console\etc\scbr\scbr.properties Remove everything in the file save it and then restart the Netapp SnapManager for Virtual Infrastucture service.

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windows RDP allow login

Allow RDP sessions on AD for users. – Computer (right click -> properties) – Remote Settings – Allow connections from computers running any version of RDP -> Select Users -> Add User Start: secpol.msc -> Local Policies -> User Right … Continue reading

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netapp smb stuff

- List share properties vserver cifs share properties add -vserver cifs -share-name data1 -share-properties showsnapshot attributecache continuously-available branchcache access-based-enumeration namespace-caching encrypt-data – Enable referrals vserver cifs options modify -vserver cifs -is-referral-enabled true – Limit maximum connections vserver cifs share modify … Continue reading

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netapp flexgroup snapmirror example

In the following example we set up: 1. a flexgroup on cluster cl1 svm flex1 2. a destination volume on cluster cl2single svm flex-2 3. a snapmirror relation between source and destination volume 4. a reversed relationship Prereq: Clusters and … Continue reading

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ontap 9 list all api calls

To list the api calls you can use to manage/monitor ontap 9, you can either use a clustershell command (1) or you can run a query using Netapp SDK. (2) In the second case you will have to enable http … Continue reading

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netapp iscsi svmdr

In this post: We create a source svm and a destination svm of the type dp-destination (svmdr) The source svm maps a lun to a linux (centos) machine. The source svm is snapmirror to the destination svm. The relationship is … Continue reading

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netapp cdot flasphool stuff

statistics show-periodic -object disk:raid_group -instance /n1_aggr1/plex0/rg0 -counter disk_busy|user_read_latency -interval 1 -iterations 60 system node run -node cl911_1 wafl awa start n1_aggr1 system node run -node cl911_1 wafl awa print system node run -node cl911_1 wafl awa stop with flashpools system … Continue reading

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linux resize vmdk – device and physical volume

In this example a vmware vmdk is used by a CentOS 7 VM. The original size of the vmdk is 1G, and is resized to 3G. After this resizing in ESXi, run the following in the CentOS VM. The name … Continue reading

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Refurbishing Mac

Naturally, Macs have quite some weight. When out of production, they can be re-used to hold down your raspberry pi.

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raspberry pi register nfs-server with rpcbind

raspberry_nfs_server_start Problem with raspberry pi (debian) and nfs-kernel-server. Systemd apparently starts the nfs-kernel-server before rpcbind has completed starting. Solution that works for me: The relevant nfs services are enable and started. 1. Make sure that nfs-kernel-server gets started at boottime. … Continue reading

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netapp root volume damaged

If a clusternode reports that the ROOT NOT WORKING PROPERLY: RECOVERY REQUIRED unsetenv bootarg.init.boot_recovery

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linux performance introduction

Linux Performance Intro

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docker swarm example

docker.swarm_example

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linux network namespaces

linux network namespaces

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linux namespaces cpu-shares

linux_cpu_shares

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docker networking example

docker.network 1. List the docker network. # docker network ls NETWORK ID NAME DRIVER SCOPE 82f0e82e8a52 bridge bridge local 2f29f6c3dc07 host host local 0ee77fd0eaf6 none null local 2. List the bridge’s address. # ifconfig docker0 | grep “inet ” inet … Continue reading

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docker remove all containers and images

docker rm -f $(docker ps -a -q) docker rmi $(docker images -q)

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selinux examples (pdf)

selinux_examples

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docker shared storage

In the following example we create a volume in a container and share the volume with other containers. 1. Share a docker volume – create the volume in a container that you do not run docker create -v /webdata –name … Continue reading

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linux yum groups

Create a file in the groups format used by yum Tell createrepo to include that group file in your repository. Step 1 You can either open a text editor and create the groups xml file manually or you can run … Continue reading

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linux strace examples

strace is a systemcall tracer. It tells you what kernel functions are called as a result of your program. It monitors systemcalls and signals. strace -p strace (trace a systemcall) strace -e open (trace multiple systemcalls) strace -e trace=open,read ls … Continue reading

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docker – remove all containers and images

#!/bin/bash # Delete all containers docker rm $(docker ps -a -q) # Delete all images docker rmi $(docker images -q)

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linux grow rootfs

Grow xfs rootfs The root volumegroup in this example is centos, the disk in the volumegroup is sda. We add a new disk, extend the group, extend the logical volume and grow the filesystem. add new disk. (in vmware: edit … Continue reading

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linux PS1 settings

Information you can display with PS1 link: cyberciti \a : an ASCII bell character (07) \d : the date in “Weekday Month Date” format (e.g., “Tue May 26”) \D{format} : the format is passed to strftime(3) and the result is … Continue reading

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linux parameter expansion

from: wiki Simple usage $PARAMETER ${PARAMETER} Indirection ${!PARAMETER} Case modification ${PARAMETER^} ${PARAMETER^^} ${PARAMETER,} ${PARAMETER,,} ${PARAMETER~} ${PARAMETER~~} Variable name expansion ${!PREFIX*} ${!PREFIX@} Substring removal (also for filename manipulation!) ${PARAMETER#PATTERN} ${PARAMETER##PATTERN} ${PARAMETER%PATTERN} ${PARAMETER%%PATTERN} Search and replace ${PARAMETER/PATTERN/STRING} ${PARAMETER//PATTERN/STRING} ${PARAMETER/PATTERN} ${PARAMETER//PATTERN} String length … Continue reading

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Linux create RPM and local repository

Example of RPM and YUM on CentOS 6. 1. Install the RPM build environment: lin60 # yum install -y rpm-build rpmdevtools 2. Create the directory for the RPM environment and the directory in which your program will be installed. lin60 … Continue reading

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SVM rootvolume protection

Restoring the root volume of an SVM If the root volume of a Storage Virtual Machine (SVM) becomes unavailable, clients cannot mount the root of the namespace. In such cases, you must restore the root volume by promoting another volume … Continue reading

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sed

substitute one column in a file: sed ‘s/[A-Z|0-9]*/REPLACED/1′ filename

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linux create local repo

In this example – the server 192.168.0.1 contains all packages in /export/rhel72/Packages – the /export directory is exported log in to vm_client 1. create a mountpoint: # mkdir /software create a repodir # mkdir /localrepo 2. mount the /export/ directory … Continue reading

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selinux add httpd port

Ports and SELINUX example. We want our webserver to listen to a non default port. 1. Configure httpd to listen to a non default port – say 8999. After a default install of httpd port 80 is the port that … Continue reading

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selinux stopaudit

cat stopaudit grep $1 /var/log/audit/audit.log | audit2allow -M $1 sed -i -e s/allow/dontaudit/ ${1}.te checkmodule -M -m -o $1.mod $1.te semodule_package -o $1.pp -m $1.mod semodule -i $1.pp ./stopaudit httpd

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selinux allow script

cat allow.sh grep $1 /var/log/audit/audit.log | audit2allow -M $1 checkmodule -M -m -o $1.mod $1.te semodule_package -o $1.pp -m $1.mod semodule -i $1.pp ./allow.sh httpd

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Centos systemd

systemctl # systemctl Start/stop or enable/disable services Activates a service immediately: # systemctl start foo.service Deactivates a service immediately: # systemctl stop foo.service Restarts a service: # systemctl restart foo.service Shows status of a service including whether it is running … Continue reading

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SELinux change DocumentRoot for Apache

Subject (processes) and Objects (files) have a security context. (Process contexts are called domains, file contexts are called labels) Context type Apache uses a DocumentRoot that has “httpd_sys_content_t” as type. ls -Zd /var/www/html drwxr-xr-x. root root system_u:object_r:httpd_sys_content_t:s0 /var/www/html Apache’s httpd … Continue reading

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netapp cpu domains

https://kb.netapp.com/support/s/article/faq-cpu-utilization-in-data-ontap-scheduling-and-monitoring?language=en_US

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cdot RBAC example

(Thanks to Sander, Kees, Maarten and other students in some class in the Netherlands) We want a user to be able to perform a particular task in an SVM. We can use RBAC to configure this. Example: We want to … Continue reading

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ontap9 svmdr

Set up , manage and delete an svmdr pair. Present: Two clusters – cluster1 and cluster2 snapmirror license on both clusters peering of the two clusters cluster1 will be the source cluster2 will be the destination. vserver src (source) and … Continue reading

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cdot cifs create error

When setting up a cifs SVM. Prerequisite: the time difference between DNS/AD and the cluster is no more than 5 minutes. cl1::*> cifs create -vserver cifs_sales -cifs-server CIFS_SALES -domain netapp.local -ou CN=Computers -default-site “” -status-admin up In order to create … Continue reading

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cdot 8.3 domaintunnel

(Elkin) ## clustermode domain-tunnel ## # To have the administrator of the AD domain login to the administration vserver and manage the cluster, create a domain-tunnel. # The name of the admin-vserver: security login create -user-or-group-name netapp\administrator -application ssh -authmethod … Continue reading

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cdot simulator new root aggregate

Situation Simulator. Cluster: cl1 Node1 : cl1-01 Node2 : cl1-02 cl1::*> set d cl1::*> cluster show Node Health Eligibility Epsilon ——————– ——- ———— ———— cl1-01 true true true cl1-02 true true false 2 entries were displayed. Node1 (cl1-01) is ok … Continue reading

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CDOT config-backups

Howo upload a CDOT config backup from filer to ftpserver. Requirements. Running FTP server in network. IP of ftpserver. Username of ftpuser. Password of ftpuser. Login to Clustermanagement lif. 1. ssh admin@192.168.4.100 Go to priv or diag mode. 2. set … Continue reading

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cdot simulator single node setup

Single Node Cluster (sort of)

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cdot 8.3 networking diagram

cdot networking 8.3

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cdot metrocluster switchback

metrocluster heal -phase aggregates metrocluster heal -phase root-aggregates metrocluster switchback

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vaai

vaai for netapp

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cdot 8.3.1 licenses

CLUSTERED SIMULATE ONTAP LICENSES +++++++++++++++++++++++++++++++++ These are the licenses that you use with the clustered Data ONTAP version of Simulate ONTAP to enable Data ONTAP features. There are four groups of licenses in this file: – cluster base license – … Continue reading

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Cdot Advanced Drive Partitioning how to disable

In order to disable auto-partitioning (ADP), perform the following bootargs at the LOADER prompt before initial setup: 1. Run the following command to disable HDD auto-partitioning: setenv root-uses-shared-disks? false 2. Run the following command to disable SSD storage pool partitioning: … Continue reading

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Restoring a vm from a Netapp Snapmirror (DP/XDP) destination

2015 peter van der weerd Restoring a vm from a Netapp Snapmirror (DP/XDP) destination. 1. List the available snapshots on mirrordestination. cl1::> cl1::> snap show -vserver nfs1 -volume linvolmir —Blocks— Vserver Volume Snapshot State Size Total% Used% ——– ——- ——————————- … Continue reading

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cdot snmp

original link Enabling SNMP, API access on NetApp cluster mode SVMs In order to get complete monitoring of, and be able delegate access to, Storage Virtual Machines on NetApp Cluster mode, it is necessary to add the SVMs as separate … Continue reading

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cdot read logfiles using a browser

cl1::*> security login create -username log -application http -authmethod password Please enter a password for user ‘log’: Please enter it again: cl1::*> vserver service web modify -vserver * -name spi -enabled true Warning: The service ‘spi’ depends on: ontapi. Enabling … Continue reading

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cdot setup events

#setup smtpserver and sender, smtpserver should be reachable. event config modify -mailserver smtp.online.nl -mailfrom petervanderweerd@gmail.com #check your settings event config show Mail From: petervanderweerd@gmail.com Mail Server: smtp.online.nl #create destination for critical messages. the recipient will receive #everything sent to the … Continue reading

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Flexpod UCS

UCS

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cdot convert snapmirror to snapvault

Steps Break the data protection mirror relationship by using the snapmirror break command. The relationship is broken and the disaster protection volume becomes a read-write volume. Delete the existing data protection mirror relationship, if one exists, by using the snapmirror … Continue reading

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cdot mhost troubleshoot

1. go to the systemshell set diag systemshell -node cl1-01 2. unmount mroot cd /etc ./netapp_mroot_unmount logout 3. run cluster show a couple of times and see that health is false cluster show 4. run cluster ring show to see … Continue reading

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cdot lif troubleshoot

1. create a lif net int create -vserver nfs1 -lif tester -role data -data-protocol cifs,nfs,fcache -home-node cl1-01 -home-port e0c -address 1.1.1.1 -netmask 255.0.0.0 -status-admin up 2. go to diag mode set diag 3. view the owner of the new lif … Continue reading

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CDOT 8.3 release notes

http://mysupport.netapp.com/documentation/docweb/index.html?productID=61898

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CDOT 8.3 initiator ip in session

To view the ip-addresses in an iSCSI session: cdot83::qos> iscsi session show -vserver iscsi -t Vserver: iscsi Target Portal Group: o9oi Target Session ID: 2 Connection ID: 1 Connection State: Full_Feature_Phase Connection Has session: true Logical interface: o9oi Target Portal … Continue reading

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CDOT 8.3 selective lunmapping

Selective lun mapping is a new iscsi feature in cdot 8.3. Selective lun mapping results in that only the two nodes in the HA-pair that hosts the LUN map the lun as ‘reporting-nodes’. This is to reduce the number of … Continue reading

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openstack on centos 7

quickstqrt 1. change selinux to permissive setenforce 0 2. run systemctl stop NetworkManager systemctl disable NetworkManager systemctl enable network sudo yum update -y sudo yum install -y https://rdo.fedorapeople.org/rdo-release.rpm sudo yum install -y openstack-packstack packstack –allinone

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cdot 8.3 licenses

CLUSTERED SIMULATE ONTAP LICENSES +++++++++++++++++++++++++++++++++ These are the licenses that you use with the clustered Data ONTAP version of Simulate ONTAP to enable Data ONTAP features. There are four groups of licenses in this file: – cluster base license – … Continue reading

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openstack restart all

To restart all openstack services: # for svc in api cert compute conductor network scheduler; do service openstack-nova-$svc restart done Redirecting to /bin/systemctl restart openstack-nova-api.service Redirecting to /bin/systemctl restart openstack-nova-cert.service Redirecting to /bin/systemctl restart openstack-nova-compute.service Redirecting to /bin/systemctl restart openstack-nova-conductor.service … Continue reading

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ZFS shadow migration exercise

Setting up shadow migration. Solaris 10 has ip-address 192.168.4.159 ZFS appliance has ip-address 192.168.4.220 1. On Solaris10. Create a directory called /mnt/data and put some files in it. # mkdir /mnt/data # cd /mnt/data # cp /var/log/* . Share /mnt/data … Continue reading

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ZFS replication_exercise

Controller ZFS1 192.168.4.220 project zfs1_proj is replicated to Controller ZFS2 192.168.4.230. Controller ZFS1 zfs1_proj has share zfs1_proj_fs1 that is mounted by solaris 10 to mountpoint /mnt/fs1 On ZFS1 * create project zfs1_proj and filesystem zfs1_proj_fs1 * * make sure the … Continue reading

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ZFS solaris 10 iscsi initiator exercise

On Solaris 1. Determine whether the required software is installed. -bash-3.2# pkginfo |grep iscsi system SUNWiscsir Sun iSCSI Device Driver (root) system SUNWiscsitgtr Sun iSCSI Target (Root) system SUNWiscsitgtu Sun iSCSI Target (Usr) system SUNWiscsiu Sun iSCSI Management Utilities (usr) … Continue reading

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solaris 10 initiator

# svcadm enable iscsi_initiator # iscsiadm add discovery-address 192.168.248.213:3260 # iscsiadm modify discovery –sendtargets enable # devfsadm -i iscsi

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7000 iscsi

On 7000 cli: configuration san iscsi targets create set alias=a1 set interfaces=e1000g0 commit On linux: cat /etc/iscsi/initiatorname.iscsi InitiatorName=iqn.1994-05.com.redhat:3add18fcc55c On 7000 cli: configuration san iscsi initiators create set alias=lin1 set initiator=InitiatorName=iqn.1994-05.com.redhat:3add18fcc55c On 7000 cli: shares select default lun lin1 set volsize=1g … Continue reading

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7000 cli network interfaces

log in to cli using ssh. configuration net datatalinks device set label=replication set links=e1000g2 commit configuration net interfaces ip set label=repliation set links=e1000g2 set v4addrs=192.168.4.223/24 commit

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linux btrfs

http://www.funtoo.org/BTRFS_Fun funtoo linux Go Actions Tools Account BTRFS Fun Support Funtoo and help us grow! Donate $15 per month and get a free SSD-based Funtoo Virtual Container. 5 spots left. Important BTRFS is still experimental even with latest Linux kernels … Continue reading

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linux ifcfg keywords

/usr/share/doc/initscripts*/sysconfig.txt 11.1 About Network Interfaces Prev Chapter 11 Network Configuration Next 11.1 About Network Interfaces Each physical and virtual network device on an Oracle Linux system has an associated configuration file named ifcfg-interface in the /etc/sysconfig/network-scripts directory, where interface is … Continue reading

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cdot vifproblems

You may have a situation where an interface is configured in the RDB (VifMgr) but no longer present in the local userinterface. 1. create a new interface 2. delete the userinterface entry 3. try to create it again (fails because … Continue reading

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cdot aggr troubleshoot with debug vreport

If there is an inconsistency between VLDB and WAFL on a local node, you can fix that with “debug” Create an aggregate in the nodeshell This aggregate will be known in WAFL but not in VLDB cl1::*> node run -node … Continue reading

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Mac Locale warnings after OS update

vi $HOME/.ssh/config SendEnv LANG LC_*

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netapp 7-mode lun usage -s and lun clone dependency

create a lun and create a busy lun situation. by default snapshot_clone_dependency is switched to off If you switch it to on before the below actions then you can delete a snapshot even if there are more recent snapshots having … Continue reading

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linux mount cifs share

mkdir /mnt/share mount -t cifs //windowsserver/pathname /mnt/share -o username=administrator,password=********  

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netapp 7-mode snapvault restore files from backuplun

1. filer1 is primary filer and has aggr aggr1. 2. filer2 is secondary filer and has aggr aggr1. 3. windows is connected with iSCSI to filer1 and filer2 the igroup on both filers is called wingroup. 4. create a sourcevolume,qtree,lun … Continue reading

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solaris 11 zfs ARC

1. The Adaptive Replacement Cache An ordered list of recently used resource entries; most recently used at the top and least recently used at the bottom. Entries used for a second time are placed at the top of the list … Continue reading

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Performance seconds

cpu regs 300ns SSL 25us 250us Disk 5 ms – 20ms Optical 100ms nanosecond to second is as second to 31.710 years microsecond to second is as second to 11.574 days

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Solaris remove empty lines in vi

:v/./d

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netapp sim upgrade

By Ron Havenaar/Dirk Oogjen This is how it works with a new simulator: 1. Download the NetApp CDOT 8.2.1 simulator from support.netapp.com 2. Unzip it to a directory of choice. 3. From that directory, import the DataONTAP.vmx file in VMware. … Continue reading

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clustermode temproot

1. Bootmenu 2. create_temp_root tempvol disk1

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clustermode dns loadbalancing

Setup DNS loadbalancing clustermode. The lifs belonging to the same dns-zone should be in the same vserver. The vserver is in fact the dns-zone. 1. Create vserver vserver create nfs -rootvolume rootvol -aggregate aggr1_n2 -ns-switch file -nm-switch file -rootvolume-security-style unix … Continue reading

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clustermode upgrade

1. put image.tgz on webserver. clustershell: system image update -node <nodename> http://<webserver>/image.tgz or 2. put image.tgz in /mroot/pkg/ clustershell: system image update -node file:///mroot/pkg/image.tgz

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solaris 10 nocacheflush

Solaris 10 Set Dynamically (using the debugger): echo zfs_nocacheflush/W0t1 | mdb -kw Revert to Default: echo zfs_nocacheflush/W0t0 | mdb -kw Set the following parameter in the /etc/system file: set zfs:zfs_nocacheflush = 1

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7-mode upgrade 32bit to 64bit

filer1> priv set diag filer1*> aggr 64bit-upgrade start aggr4 -mode grow-all

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solaris 11 who uses which port.

# mkdir /scripts # vi /scripts/ports #!/bin/ksh line=’———————————————’ pids=$(/usr/bin/ps -ef | sed 1d | awk ‘{print $2}’) if [ $# -eq 0 ]; then read ans?”Enter port you would like to know pid for: ” else ans=$1 fi for f … Continue reading

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