Knowledge Base

All content
Space settings

Swarm Documentation
Swarm Documentation
This trigger is hidden
Troubleshooting articles
Troubleshooting articles
This trigger is hidden
How-to articles
How-to articles
This trigger is hidden

Results will update as you type.

•
HTTP 1.0 vs 1.1
•
New Line in an SCSP Command
•
Swarm Redirects
•
What is connection pooling?
•
What stream data should my application keep?
•
Brief explanation of what the Swarm health processor does
•
How to replace a failed drive
•
Leap Second
•
Shellshock Bash Vulnerability
•
Why do my stream counts decrease on an idle cluster?
•
Where can I find Swarm bidding information?
•
_forgetDelete error
•
503 Service Unavailable Response Conditions
•
Am I notified when an integrity check fails?
•
Archive Mode
•
Can I search for objects based on their Content-MD5 using Swarm Search?
•
Chunked encoding
•
Does multicast frequency effect over replication clean up?
•
Erasure Coding Over-replication
•
ERROR Swarm pid_file _tmp_castor.pid.0 refers to the wrong process name
•
Exceeding license capacity
•
Failed Drive Removal
•
How are requests spread across a Swarm cluster?
•
How can I browse through all of the content in a Swarm cluster?
•
How can I tell if a node shutdown or reboot was initiated by the administrator
•
How do I create a lifepoint in the correct format for a specific date or time?
•
How do I format / reformat a single disk?
•
How do I manually check the base64 content-MD5 stored in Swarm?
•
Are there any special hardware requirements to take advantage of the Darkive feature?
•
Are there security issues or considerations about the multicast packets on the client network?
•
Can a node have public and private network designations?
•
Can DHCP, NTP and SNMP services be configured on a different network segment, or must they be in the same network segment?
•
Can I use a Windows Domain Controller as my NTP source?
•
cip.histogramSamples in Swarm 7+
•
Can we separate application servers that serve different purposes (reading, writing, etc) onto different network segments?
•
Disabling console blanking / powersaving feature of the terminal console monitor
•
Do I have to specify the retention days when I write data into Swarm or can I omit the retention days parameter?
•
Does the creation of a secondary DNS inside the network provide improvements?
•
EC Parameters in the Persistent Settings Stream in mixed Swarm pre-8.1
•
For "round robin" DNS usage, wouldn't a lower configured TTL (time-to-live) of 0 be preferable?
•
How do I get rsyslog to log timestamps and IP addresses from remote machines?
•
How do I prevent my disks from going idle?
•
How much memory is recommended in a Swarm node?
•
How much syslog space does Swarm use?
•
Health Usage Report (in Swarm 6.5.x and beyond)
•
Send a health report to DataCore Support
•
How to USB boot Swarm nodes using web hosted license and configuration files
•
Can Swarm components run in VMware?
•
Changing Swarm admin password for Swarm 7.2 or higher
•
Which Virtual Machine platforms are supported for Swarm deployment?
•
How to Verify NTP Information on Swarm Nodes
•
Symantec/Veritas Enterprise Vault Swarm/CAStor integration
•
What is cip.histogramTolerance?
•
How to look at the Replication feed FEEDs info line- feed causes
•
How do I fix trapped space?
•
How do I know if defragmentation is going on?
•
What OS does Swarm use?
•
How to check and change healthExamDelay
•
Is a VLAN needed between the cluster nodes or is the fact that the cluster is behind a switch enough?
•
Is it necessary to configure "round-robin" DNS in the Primary DNS or can a secondary DNS be utilized?
•
Is it possible to specify different configuration parameters for different nodes when netbooting?
•
miimon bonding parameter
•
Multiple processes per physical Swarm node
•
"Not enough information to estimate license space" error
•
Are retiring nodes' streams counted when performing a countreps for a stream
•
Can I reboot a single process in a multi-process Swarm node?
•
Confirming Current Licensed capacity for Swarm CSN Dell DX
•
Does Swarm allow lifepoint policy updates for content after the content has been stored in Swarm?
•
FEEDS INFO - feed queue is full
•
How can I clear the errors and announcements from all of my nodes?
•
How can I validate that the streams I am sending to Swarm are being received?
•
How to update the cluster's Technical Contact
•
How do I collect the hardware MIB (non Caringo values) for net-snmp?
•
How do I configure rsyslog server to accept incoming syslog messages from Swarm products?
•
How do I disable the health status reports (phone home)
•
How do I find out how many processors are available on my running Swarm node?
•
How do I find out my disk controller/ driver version?
•
How do I list the UUIDs on a volume?
•
What is needed to create a solution that has no single point of failure?
•
How is Swarm protected from network attacks from worms, trojan horses or viruses?
•
Is there a CLI interface from which to gather statistics?
•
How does a Swarm system handle a UPS event?
•
In a complete Swarm chassis failure scenario, what is the process for replacing it?
•
How is the health of Swarm monitored?
•
Is there an easy way to monitor streams to gauge when hard drive space is becoming scarce?
•
Is replacing a failed hard disk as simple as turning off a node, swapping in a new disk and restarting the node?
•
Node fails to boot- node has a media card reader
•
Node fails to boot- NTP
•
SNMP Traps in Swarm
•
Large files in Swarm
•
Used capacity vs Licensed capacity in Swarm
•
I/O errors and Swarm nodes
•
Stale Volumes and the ":k" flag
•
Network Traffic in a Cluster
•
Missing debug level logs
•
Protect the Swarm admin console with username/ password
•
Unretire all
•
Troubleshooting a spike in disk failures or retires
•
I deleted my persistent settings stream that contained my domains!
•
Stream count does not seem right after reboot
•
Can I Add Capacity to My Existing License?
•
Is training available for Swarm?
•
Maintenance mode
•
Persistent Settings Stream (PSS)
•
_forgetDelete error - journaled
•
How do I manually write an EC stream?
•
Integrity Check Failures
•
How do I tcpdump to capture only HEAD traffic?
•
How much syslog space does CAStor use?
•
How many replicas do I get with minreps=1 and Replicate on Write (ROW)?
•
How does network bandwidth impact Swarm operations?
•
How does retire work?
•
How does Swarm handle interrupted transfers (abandoned uploads)?
•
How is a node chosen in a Swarm cluster when Read/ Write requests are sent from the application?
•
How do I prevent my newly added disks from getting overwhelmed by replicas from existing streams?
•
How is content referenced in Swarm?
•
Is it safe to upgrade a license on a running production cluster?
•
How to add metadata for better searches
•
IDE Disk Drive Support
•
In which sequence should the cluster be increased to improve performance: RAM, additional storage, or additional nodes?
•
InterSCSP lost connection messages
•
Losing UUIDs
•
Offline nodes appear in the console
•
Read bulletin gone for stream
•
Reducing Swarm RAM usage
•
Replicate on Write (ROW)
•
Replication Feed Not Working- Blocked
•
Replication Feeds Audit messages- source side
•
Retiring nodes
•
Swarm services are stopped
•
Since we have multicasting protocol between nodes, do we need a router and switch that can be configured with multicast?
•
SNMP read-write user should not be removed from node/cluster.cfg
•
Swarm cache mechanism
•
Swarm configuration parameters that overlap
•
Swarm hard drive type recommendation
•
Swarm heartbeat
•
Swarm nodes can't see each other (IGMP snooping)
•
Swarm Rep Bid of 255
•
Swarm socket limit
•
Swarm timeout for reading and writing files
•
Transactional Data
•
Transition from Content Router to Replication Feeds
•
Turn on component level logging in Swarm
•
Used space is not showing correctly after a reboot
•
Used space shows as 0 bytes for my Swarm VM
•
Using Fibre Channel (FC) or iSCSI storage
•
UUID Collisions
•
What are the file descriptor/connection messages in syslog
•
What can cause a 412- Precondition Failed message?
•
What causes a Persistent Settings Stream to be created initially?
•
What does the following Swarm error mean? DISK ERROR
•
What happens if a stream is deleted while a replica is temporarily offline?
•
What happens to unfinished streams on Swarm?
•
What happens when a node or disk fails?
•
What is cip.readRetries?
•
What is default replicas and how do I use it?
•
What is Replication Threshold?
•
What is the "auth" token I see in my debug logs?
•
What is the 404 Per Overlay message?
•
What is the process to gather statistics using SNMP?
•
What is unique about the Swarm architecture that simplifies

Knowledge Base

/

Swarm Storage

/

Is there a CLI interface from which to gather statistics?