Articles about zfs

Loser

'Disappearing' data under ZFS on Linux sparks small swift tweak

Updated Maintainers of ZFS on Linux have hustled out a new version after the previous release caused created the impression of data loss. ZFS on Linux 0.7.7 only landed on March 21st, but as this GitHub thread titled “Unlistable and disappearing files”, users experienced “Data loss when copying a directory with large-ish number of …
Simon Sharwood, 10 Apr 2018
Waiting

Another day, another Spectre fix slowdown: What to expect if you heart ZFS

The widely used ZFS file system software is slowed down in both read IOPS and throughput by Intel CPU microcode fixes for the Spectre processor design flaws, one set of numbers suggests. Systems engineer Jon Kensy blogged about the results of his ZFS testing, based on a VM running ZFS on a Ubuntu 16.04 LTS system on a Dell …
Chris Mellor, 17 Jan 2018
Oracle and Sun logo

Oracle ZFS man calls for Big Red to let filesystem upstream into Linux

Oracle storage architect has called for Oracle to make the ZFS filesystem a first class part of Linux and says conversations have taken place within Big Red to consider the possibility. Speaking at the OpenZFS Developer Summit, Maybee said the decline of on-premises storage means ZFS' future inside Oracle is uncertain. Oracle' …
Simon Sharwood, 26 Oct 2017
Dictionary definition of 'Banish'

Red Hat banishes Btrfs from RHEL

Red Hat has banished the Btrfs, the Oracle-created file system intended to help harden Linux's storage capabilities. The Deprecated Functionality List for Red Hat Enterprise Linux 7.4 explains the decision as follows: The Btrfs file system has been in Technology Preview state since the initial release of Red Hat Enterprise …
Simon Sharwood, 16 Aug 2017

Oracle uses own public cloud as back-end storage shed for ZFS boxen

+Comment Oracle is using its in-house public cloud to provide back-end storage for its on-premises ZFS appliances, adding functionality to its walled hybrid cloud garden. Sort of the opposite of bringing its Exadata cloud service on-premises, Oracle is taking its ZFS on-premises kit up into its public cloud. The latest ZFS Storage …
Chris Mellor, 3 Apr 2017
Binary data/big data conceptual illustration. Illustration via Shutterstock

Open-source storage that doesn't suck? Our man tries to break TrueNAS

Review Data storage is difficult, and ZFS-based storage doubly so. There's a lot of money to be made if you can do storage right, so it's uncommon to see a storage company with an open-source model deliver storage that doesn't suck. I looked at TrueNAS from iXsystems, which, importantly, targets the SMB and midmarket with something …
Trevor Pott, 18 Oct 2016
Cirrus_clouds

Panzura primps file sync 'n' share replication tech

File sync and sharer Panzura has announced its new SMARTSync tech, which it says will reduce the amount of info sent between sites in a sync-and-share network and speed sharing. The company's CloudFS technology is based on a single name space and global filesystem with on-premises or cloud-based tiered GFS controllers acting …
Chris Mellor, 26 Jul 2016
Man looking up spiral staircase inside deltalis mountain data centre

Your next storage will be invisible (for a while)

In the last two or three years I've talked a lot about "Flash & Trash." A two-tier storage strategy to best cope with the increasing demand of high IOPS and low latency from primary applications on the one hand, and high capacity, associated with throughput at times, on the other. This kind of need depends on the type of …

Does it even make sense to buy a VTL today?

Blog I’ve never been fond of VTLs (virtual tape libraries). I like deduplication but it quickly became a feature and is not a product. And lately we all want more out of backups, don’t we? Data Domain did a great job in building a brilliant deduplication-based appliance in 2001, but that was 2001. And, while it lasted, having the …

ZFS comes to Debian, thanks to licensing workaround

The ZFS file system has come to popular Linux distribution Debian, but in a way the distro's backers think won't kick up another row over compatibility of open source licences. Ubuntu 16.04 added ZFS, despite pre-release grumblings from Richard Stallman to the effect that anything licensed under the GNU GPL v2 can only be …
Simon Sharwood, 16 May 2016
Richard Stallman

Bundling ZFS and Linux is impossible says Richard Stallman

Free Software Foundation president and Gnu Public Licence (GNU GPL) author Richard Stallman has weighed in on the spat over whether Ubuntu can legally include ZFS in Linux, with a resounding “No!” Stallman has issued a statement he says “.... explains some issues about the meaning and enforcement of the GNU General Public …
Simon Sharwood, 12 Apr 2016
Gnu doing its thing... by https://www.flickr.com/photos/eiriknewth/ cc2.0 attribution generic https://creativecommons.org/licenses/by/2.0/

Canonical accused of violating GPL with ZFS-in-Ubuntu 16.04 plan

The Software Freedom Conservancy (SFC) thinks Canonical, the curator of Ubuntu, has breached the Gnu General Public Licence (GPL). As the Conservancy explains, Canonical recently announced that Ubuntu 16.04 will “make OpenZFS available on every Ubuntu system. Canonical reckons that adding OpenZFS represents “one of the most …
Simon Sharwood, 26 Feb 2016
Lamb Stew

Asigra becomes an Oracle reseller

Backup software supplier Asigra is shipping its software with Oracle's ZFS Storage Appliance hardware. The software is Asigra's Cloud Backup, which is agentless and multi-tenant. It's also NIST FIPS 140-2 certified. The ZFS appliance hardware had notched up a billion dollars-worth of sales by October last year. Some 15,000 …
Chris Mellor, 5 Feb 2016
ZFS_Appliances

Oracle ZFS appliance sales hit $1 billion

Oracle blogs it’s sold more than a billion dollars’ worth of its ZFS appliance, with almost 15,000 systems installed by more than 5,000 customers. It is “currently one of the fastest growing products within the Oracle Server and Storage Systems business unit.” Sounds impressive, particularly with EMC saying it has sold a …
Chris Mellor, 9 Oct 2015
Tommy Lee Jones delivers implied facepalm. From No Country for Old Men  Copyright Miramax Pictures. 2007.

Oracle storage analytics break Oracle storage appliances

An Oracle employee has warned that the analytics features of its ZFS storage appliances can result in “unresponsive” systems. The post linked to above opens with Oracle staffer Matt Barnson stating “I've received a number of questions about analytics and the problems they cause for the Oracle ZFS Storage Appliance.” There's …
Simon Sharwood, 27 Jul 2015
Nexenta_logos

Nexenta flies over the Edge into the object storage bearpit

Nexenta's hypercale block and object storage software has hit the streets, pitting Nexenta competitively against all the other object storage suppliers. NexentaEdge was introduced last August and now it's generally available, two quarters later than its then-schedule. We're having it described as "the first software-only scale …
Chris Mellor, 20 May 2015
Syneto_Storage_OS

Syneto: Behold, blockheads – an all-flash array... based on ZFS

A ZFS-based all-flash array? There's a thing to note in this block-focused all-flash array world. Europe-based Syneto has developed the product and it has updated its SMB-focused, ZFS-using Extreme 220 product. The Extreme 220 is a 2U x 24 hot-swap slot box with from 2TB to 144TB of SATA or SAS SSDs. That means 6TB SSDs are …
Chris Mellor, 26 Feb 2015

Dedupe, dedupe... dedupe, dedupe, dedupe: Oracle polishes ZFS diamond

Oracle's ZFS is widely lauded as a great file system even though several suppliers that use it for their own products have replaced its deduplication code with their own. One such was GreenBytes, a startup which developed an all-flash array for virtualised servers and focused on VDI. It switched to a software-only model after …
Chris Mellor, 11 Dec 2014

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