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Additional Changes

Changes include versions and fixes based on testing and user feedback.

OSS Versions

See [DRAFT] Third-Party Components for Storage 16.1.4 for the complete listing of packages and versions for this release.

Fixed in 16.1.4

  • Fixed a broken ES feeds issue (applicable for Swarm 16.1.1, 16.1.2 only) that was related to an unreachable hostname mentioned in network.host in elasticsearch.yml. (SWAR-10148)

  • Optimized the feeds processing logic and fixed an issue that was resulting EDA04 error code. Stuck feeds will progress by setting disk.catchUpTimeWindow to a value greater than your cluster's age in seconds. (SWAR-10215)

Watch Items and Known Issues

The following watch items are known:

  • Customizations to an Elasticsearch 6.8.6 /etc/elasticsearch/elasticsearch.yml path.data and network.host fields will be lost when running the configuration script to upgrade to Elasticsearch 7 if the upgrade does not complete. This can happen if the new Elasticsearch 7 rpm is not in the current directory and cannot be downloaded. Reapply your customizations as this will not affect upgrades starting with Elasticsearch 7.5.2. (SWAR-9977)

  • False 404s might be seen in the Swarm responses during heavy load situations. To mitigate this, please verify “cip.processes = 2”, and keep increasing the cip.queryMinimumTimeout value gradually until the 404 occurrences are reduced. (SWAR-10120)

  • When using search.perDomainIndex=True (under Support guidance), the number of supported domains is limited based on the number of data nodes in the Elasticsearch cluster and search.numberOfShards. For example, Five data nodes support 5x600 shards at search.numberOfShards=6; each domain requires 6x2 (primary and replica) shards. If more than 250 domains are created, new indices cannot be created resulting in the domain listing that returns a 503 ReaderUnavailableIndex. The castor.log will show errors EFD19, EIP15, and EIP02.
    For example, "Validation Failed: this action would add [6] shards, but the cluster currently has maximum [999]/[1000] normal open shards". Error reporting will be improved in a future release. (SWAR-10172)

Note

Caution

Contact DataCore Support if you are still using Elasticsearch 6.8.6.

...

To upgrade Swarm 9 or higher, proceed to How to Upgrade Swarm. For migration from Swarm 8.x or earlier, contact DataCore Support for guidance.

Info

Instructions for rpm v15.2 and above on CSN

The user must follow the below steps if using rpm version 15.2 or above on the CSN:

  1. Edit the /etc/caringo/netboot/netboot.cfg file on the CSN.

  2. Verify that the KernelOptions parameter includes the new maximum size for the ramdisk.

    Code Block
    kernelOptions = castor_net=active-backup: ramdisk_size=190000

    Use a space separator between “active-backup:” and ramdisk_size=190000 as used in the above command.

  3. Restart netboot.
    service netboot restart

Deprecation

  • The search.caseInsensitive is now deprecated and will be removed in a future release. (SWAR-10085)