Search found 36 matches

by chris
Wed May 17, 2023 8:27 am
Forum: Stratix (Rockwell Automation/Allen Bradley) with embedded Cisco Technology
Topic: Malaysia based SFPs 1783-SFP1GSX / A
Replies: 0
Views: 9089

Malaysia based SFPs 1783-SFP1GSX / A

Recently I've been seeing an alarming number of Malaysia based SFPs 1783-SFP1GSX / A having a failure. These SFP's were purchased during the pandemic and it's a wonder if there was some kind of poor quality control during this time. Googling around I've also seen some similar articles https://commun...
by chris
Wed Apr 12, 2023 8:34 am
Forum: Switch
Topic: Cisco Swtich Stack - Renumber Swtich
Replies: 0
Views: 7904

Cisco Swtich Stack - Renumber Swtich

At a IOS component you sometimes want a sequentially ordered interfaces in a cisco stack. A switch in a stack can not be un-provisioned or re-provisioned, so removing and adding a physical switch in a running Stack does not work. It generates following syslog message: %Switch can not be un-provisio...
by chris
Thu Mar 23, 2023 8:37 am
Forum: Stratix (Rockwell Automation/Allen Bradley) with embedded Cisco Technology
Topic: SPAN / Port Monitor / Wireshark Stratix Switchport for Wireshark Packet Capture
Replies: 0
Views: 7341

SPAN / Port Monitor / Wireshark Stratix Switchport for Wireshark Packet Capture

Stratix Port SPAN / monitor - Wireshark Content This example shows how to set up a SPAN session (session 1) for monitoring source port traffic to a destination port. First, any existing SPAN configuration for session 1 is cleared and then bidirectional traffic is mirrored from source port 1 to desti...
by chris
Thu Mar 23, 2023 8:35 am
Forum: Stratix (Rockwell Automation/Allen Bradley) with embedded Cisco Technology
Topic: TACACS config for Stratix
Replies: 0
Views: 7033

TACACS config for Stratix

aaa new-model ! !TACACS+ server configuration ! tacacs server SERVER1 address ipv4 <IPADDRESS SERVER1> key <PASSWORD> single-connection timeout 3 ! tacacs server SERVER2 address ipv4 <IPADDRESS SERVER2> key <PASSWORD> single-connection timeout 3 ! aaa group server tacacs+ TACACS server name SERVER1 ...
by chris
Thu Mar 23, 2023 8:26 am
Forum: Stratix (Rockwell Automation/Allen Bradley) with embedded Cisco Technology
Topic: Upgrade Firmware on Stratix Swtich via TFTP
Replies: 0
Views: 6946

Upgrade Firmware on Stratix Swtich via TFTP

swtich# swtich# archive download-sw /overwrite tftp://X.X.X.X/s5400-universalk9-tar.152-8.E1.tar Example: (showing a Stratix 5400) switch# switch# archive download-sw /overwrite tftp://10.101.245.254/s5400-universalk9-tar.152-8.E1.tar Rockwell Automation Firmware Download Site Link: 5400 https://com...
by chris
Thu Mar 23, 2023 8:23 am
Forum: Stratix (Rockwell Automation/Allen Bradley) with embedded Cisco Technology
Topic: Setup SNMP v3
Replies: 0
Views: 6998

Setup SNMP v3

snmp-server group <GROUP NAME> v3 priv access snmp-<GROUP> snmp-server user <user> <group> v3 auth sha <PASSWORD> priv aes 128 <PRIV-PASSWORD> ip access-list standard snmp-<GROUP> permit X.X.X.X (where the X.X.X.X is the IP address of the server that will be monitoring the switch)
by chris
Thu Mar 23, 2023 8:19 am
Forum: Stratix (Rockwell Automation/Allen Bradley) with embedded Cisco Technology
Topic: Backup Switch via TFTP Server
Replies: 0
Views: 7020

Backup Switch via TFTP Server

Switch# copy running-config tftp://<IPADDRESSS>
<enter>
<enter>
exit

Example:
SWITCH-1#copy running-config tftp://10.101.245.254
Address or name of remote host [10.101.245.254]?
Destination filename [SWITCH-1-confg]?
!!
17180 bytes copied in 0.934 secs (18394 bytes/sec)
by chris
Wed Mar 22, 2023 7:34 pm
Forum: Linux
Topic: Add disk and create new volume group and logical volume
Replies: 0
Views: 7514

Add disk and create new volume group and logical volume

Rescan SCSI BUS: for host in `ls /sys/class/scsi_host/`;do echo "- - -" >/sys/class/scsi_host/${host}/scan; done fdisk -l Disk /dev/sdb : 400 GiB, 429496729600 bytes, 838860800 sectors Disk model: Virtual disk Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes ...
by chris
Wed Mar 22, 2023 11:35 am
Forum: Isilon
Topic: Disable "Secure Negotiate" on the client
Replies: 0
Views: 6831

Disable "Secure Negotiate" on the client

You can disable the Secure Negotiate option by using PowerShell on a Windows Server 2012 or Windows 8 client. To do this, run the following command: Powershell> Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters" RequireSecureNegotiate -Value 0 -Fo...
by chris
Wed Mar 22, 2023 11:34 am
Forum: Isilon
Topic: Creating a New SnapshotIQ Snapshot Schedule/Policy
Replies: 0
Views: 6779

Creating a New SnapshotIQ Snapshot Schedule/Policy

When creating/changing a snapshot policy, be mindful of the storage impact of that policy. For example, taking hourly snapshots of a share with a high rate of change, and retaining those snapshots for a long time, will consume a a lot of disk space. Log into Web interface of Isilon Determine the fil...
by chris
Wed Mar 22, 2023 11:33 am
Forum: Isilon
Topic: Isilon Restore Snapshot
Replies: 0
Views: 6808

Isilon Restore Snapshot

Provide the below procedures to the end user: CIFS Procedure Open the folder that contained the files you wish to restore. For example, my_folder is the name of the directory. Right-click any open area in the window, and select "Properties" from the context menu. Select the "Previous...
by chris
Wed Mar 22, 2023 11:32 am
Forum: Isilon
Topic: General Troubleshooting Commands
Replies: 0
Views: 6713

General Troubleshooting Commands

isi status (general overview of cluster) isi_gather_info (isilon equivalent of an autosupport, gathers all the logs and config and FTP to isilon support) isi_gather_info -T /<path> (if /ifs is marked read-only this will allow you to bypass) isi zone zones list (list all access zones) **many commands...
by chris
Wed Mar 22, 2023 11:27 am
Forum: Isilon
Topic: Isilon TCPdump Packet Capture
Replies: 0
Views: 6735

Isilon TCPdump Packet Capture

#Logon on to the isilon via SSH using putty: #Change the directory - cd /ifs/data/Isilon_Support/ mkdir SR<#> #Run the following command to dump TCP (Packet Capture), ensure the SR <#> below matches the above created directory. isi_for_array 'for i in `ifconfig | grep -B2 ether | grep flags | cut -d...
by chris
Wed Mar 22, 2023 11:26 am
Forum: Isilon
Topic: Isilon Sync (fix broken sync jobs)
Replies: 0
Views: 6654

Isilon Sync (fix broken sync jobs)

Diagnose: Cause for policy errors are recorded in /var/log/isi_migrate log. For example, once we were pointing to the correct DNS/Smartconnect target name, the next error indicating why the policy failed was: "Primary authentication fails" Here is the link to the KB for resolving that poli...
by chris
Wed Mar 22, 2023 11:19 am
Forum: Isilon
Topic: ISILON SMB failures, service restarts, remediation steps
Replies: 0
Views: 6677

ISILON SMB failures, service restarts, remediation steps

Update: run the above a, b, c, d, and skip log gathers as we know this is a bug in the isilon 7.x firmware This is one of those cases where we would need to have had debug logging, and packet captures, to reproduce and "catch" the issue in the act. In the future, I strongly recommend allow...
by chris
Wed Mar 22, 2023 11:16 am
Forum: Isilon
Topic: SMB CIFS Bug - Enumerating Domains in forest
Replies: 0
Views: 6455

SMB CIFS Bug - Enumerating Domains in forest

cat /etc/likewise-krb5-ad.conf

should contain dns_lookup_realm = false

if this isn't there,

vi /etc/likewise-krb5-ad.conf

add:
dns_lookup_realm = false



Note: this could be resolved in a later version of OneFS. At the time this was relevant to 7.x and 8.x
by chris
Wed Mar 22, 2023 11:13 am
Forum: Isilon
Topic: NFS Share (add client to export)
Replies: 0
Views: 6533

NFS Share (add client to export)

RUN NOTES ========= # Log onto the GUI for isilon (https://ipaddress:8080) using root/ password # Go to the NFS Share to edit the exports ## click on "PROTOCOLS" tab then "UNIX Sharing (NFS)" ## Find the share you want to edit and click on the right side where it says "View ...
by chris
Wed Mar 22, 2023 11:11 am
Forum: Isilon
Topic: NFS Share Create
Replies: 0
Views: 6664

NFS Share Create

RUN NOTES ========= Storage Work ------------ # ssh to <ISILON> as root cd /ifs/<directory> mkdir <share-name> ### if share needs replication ### # ssh to <REPLICA ISILON> as root cd /ifs/<directory> mkdir <share-name> ### end if share needs replication ### # Log onto the GUI for isilon (https://ipa...
by chris
Wed Mar 22, 2023 11:08 am
Forum: Isilon
Topic: Isilon DR Drill Test
Replies: 0
Views: 6575

Isilon DR Drill Test

Isilon OneFS must be 7.1 or higher (Source) isi sync policies list --> Displays a list of Policies on the isilon. Find the Policy in Ref to your share. i.e. isilon1-1# isi sync policies list Name Path Action Enabled Target -----------------------------------------------------------------------------...
by chris
Wed Mar 22, 2023 11:02 am
Forum: Isilon
Topic: Disable iSCSI
Replies: 0
Views: 6429

Disable iSCSI

isilon cluster isilon1-1# isi license status Module License Status Configuration Expiration Date ------ -------------- ------------- --------------- CloudPools Inactive Not Configured HDFS Inactive Not Configured InsightIQ Activated Not Configured Isilon for vCenter Inactive Not Configured MobileIQ ...
by chris
Wed Mar 22, 2023 10:59 am
Forum: Isilon
Topic: Isilon CIFS Share Create
Replies: 0
Views: 6473

Isilon CIFS Share Create

# ssh to <prod isilon> as root cd /ifs/<domain>/<share-name> mkdir <share-name> ### if share needs replication ### # ssh to <replica isilon> as root cd /ifs/<domain>/<share-name> mkdir <share-name> ### end if share needs replication ### # Log onto the GUI for isilon (https://ipaddress:8080) using ro...
by chris
Fri Sep 25, 2020 8:56 am
Forum: Isilon
Topic: Isilon - Clear celog 7.x
Replies: 0
Views: 9663

Isilon - Clear celog 7.x

Procedure IMPORTANT! This procedure does not work if your cluster is in SmartLock compliance mode. The compadmin user does not have privileged access to run the rm commands described in the procedure. NOTE If the /var partition is full, new CELOG database files cannot be created and the procedure be...
by chris
Fri Sep 25, 2020 8:55 am
Forum: Isilon
Topic: Isilon - Clear celog 8.x
Replies: 0
Views: 9814

Isilon - Clear celog 8.x

Procedure         1. Open an SSH connection to any node in the cluster using the root account.              2. If you want to preserve the original files, make a copy of all files listed in Step 4 before proceeding.              3. Disable the CELOG service and make sure that you see that this was d...
by chris
Tue Aug 25, 2020 2:13 pm
Forum: Isilon
Topic: Isilon OneFS: Timeout or "not found" error when connecting to the SmartConnect zone
Replies: 0
Views: 9173

Isilon OneFS: Timeout or "not found" error when connecting to the SmartConnect zone

Issue When you connect to a SmartConnect zone, you receive a "not found" error or the connection times out. You have installed SmartConnect according to the configuration guide. This means that you have: Run the isi smartconnect wizard and configured a SmartConnect zone Created a delegated...
by chris
Fri Apr 17, 2020 10:39 am
Forum: Isilon
Topic: modify KRB default-realm
Replies: 0
Views: 8629

modify KRB default-realm

isi auth settings krb5 modify --default-realm=YOURDOMAIN.COM
isi auth settings krb5 view


might also need:

isi auth settings krb5 modify --dns-lookup-realm=false

isi_gconfig registry.Services.lsass.Parameters.Providers.ActiveDirectory.Instance.Default=YOURDOMAIN.COM
by chris
Thu Mar 12, 2020 10:27 am
Forum: Isilon
Topic: Isilon ECN TCP connections - slow network performance across site-to-site vpn
Replies: 0
Views: 8883

Isilon ECN TCP connections - slow network performance across site-to-site vpn

net.inet.tcp.ecn.enable is a setting allow to incoming TCP connections to negotiate ECN while outgoing connections don't request ECN. Always requesting ECN on outgoing connections can be troublesome because of the number of broken middle-boxes that block ECN connections (though we do have a fallback...
by chris
Tue Dec 17, 2019 3:27 pm
Forum: Isilon
Topic: Isilon Event Coherency Issue - Isilon Deadlock, locking, hangdumps
Replies: 0
Views: 9258

Isilon Event Coherency Issue - Isilon Deadlock, locking, hangdumps

Reference: https://www.dell.com/support/kbdoc/en-us/000126272/understanding-powerscale-onefs-locking-deadlocks-and-hangdumps From Dell: As a clustered file system, PowerScale OneFS provides a mechanism to coordinate operations that happen on separate nodes. The OneFS Distributed Lock Manager (DLM) p...
by chris
Tue Dec 10, 2019 3:54 pm
Forum: XtremIO
Topic: CLI Commands
Replies: 0
Views: 43913

CLI Commands

Monitoring Clusters show-clusters - Displays the connected clusters’ information. show-clusters-info - Displays the connected clusters’ information. show-clusters-upgrade - Displays the clusters’ upgrade status. show-clusters-upgrade-progress - Displays indicators of the clusters’ software upgrade ...
by chris
Tue Dec 10, 2019 2:30 pm
Forum: NetApp
Topic: inode increases
Replies: 0
Views: 10574

inode increases

inode increases formula

Code: Select all


total size in KB, / 32, = X,
X*0.30= Y,
X+Y is our max

by chris
Tue Dec 10, 2019 10:40 am
Forum: Isilon
Topic: Isilon Performance Data Collection Script
Replies: 0
Views: 9343

Isilon Performance Data Collection Script

echo; echo "****************** START ******************"; echo; echo ">> Any Locking?:"; echo 483388 : How to resolve cluster Deadlocking issue. https://support.emc.com/kb/483388; echo; isi_for_array -X 'sysctl efs.lin.lock.initiator.oldest_waiter | grep -E "address|started...
by chris
Tue Dec 10, 2019 10:00 am
Forum: Isilon
Topic: Check NFS exports for hosts that don't resolve anymore
Replies: 0
Views: 8626

Check NFS exports for hosts that don't resolve anymore

for myzone in `isi zone list | grep ifs |awk '{print$1}'` do echo "=========================================" $myzone for export_id in `isi nfs exports list --zone=$myzone | grep $myzone | awk '{print$1}'` do echo -n "========= export ID: " $export_id " " isi nfs expor...
by chris
Tue Dec 10, 2019 9:56 am
Forum: Isilon
Topic: Check remaining life on Isilon Boot Drives
Replies: 0
Views: 10027

Check remaining life on Isilon Boot Drives

uname -a|awk '{print $1,$2,$4}'; isi_for_array -s "isi_hw_status|grep SerNo"; isi_for_array -s isi_radish -a /dev/ad*|egrep 'SN:|Percent Life'|grep -v Used|sed -e 's/Percent Life Remaining:/PercentLifeRemaining %/' -e 's/Percent Lifetime Left:/PercentLifeRemaining %/' -e 's/is .*//'|awk '...
by chris
Tue Dec 10, 2019 9:52 am
Forum: Isilon
Topic: EMC Isilon Billing Script
Replies: 0
Views: 9789

EMC Isilon Billing Script

create a file: /ifs/data/Isilon_Support/emcbilling.sh today=`date +%Y-%m-%d_%H-%M-%S` host=`hostname | rev | cut -c3- | rev` guid=`python -c "import isi.config.arrcfg as ac;cfg = ac.config_load(); print cfg.guid"` echo " " > /ifs/data/Isilon_Support/emc_billing/NodeIsiSnapshotsVi...
by chris
Tue Dec 10, 2019 9:37 am
Forum: Isilon
Topic: Show statistics of SMB2 and NFS connections on isilon
Replies: 0
Views: 8838

Show statistics of SMB2 and NFS connections on isilon

Show statistics of SMB2 and NFS connections on isilon CLUSTER# isi statistics query current list --nodes=all --keys=node.clientstats.active.smb2,node.clientstats.active.nfs Node node.clientstats.active.smb2 node.clientstats.active.nfs -----------------------------------------------------------------...
by chris
Tue Dec 10, 2019 9:26 am
Forum: Isilon
Topic: KRB5 Affinity File - Isilon cant connect to cifs shares.
Replies: 0
Views: 8502

KRB5 Affinity File - Isilon cant connect to cifs shares.

Came across this one day at work when our Isilon clusters could not display CIFS shares. Seems we decommed domain controllers that are "stored" in this file. After moving the file and killing services CIFS shares were available. isi_for_array 'mv /var/lib/likewise/krb5-affinity.conf /tmp/'...