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Perchè non usare mai i dischi dinamici di Windows

1 Settembre 2023
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Reading Time: 3 minutes

Più di dieci anni fa avevo scritto un posto su come sia meglio evitare i dischi dinamici di Windows (specialmente Windows Server)… ma a quanto pare c’è ancora chi si ostina ad usarli pensado siano utili e non pensado alle conseguenze.

Microsoft Windows Dynamic Disks (chiamati anche Dynamic Volumes) sono un livello di astrazione (introdotto in Windows 2000) sulle partizioni (simile a LVM in ambiente Linux/Unix) per disaccoppiare i volumi (con i relativi dati NTFS) dalle partizioni del disco e avere un maggiore flessibilità, come l’estensione a caldo di un volume semplicemente aggiungendo nuove partizioni (ma anche molti altri vantaggi).

Sembra tutto molto bello, ma in realtà è qualcosa di veramente vecchio e obsoleto… è possibile estendere a caldo anche un volume di base (dalla GUI a partire da Windows Server 2008/Windows Vista) e anche i volumi di base sono un livello di astrazione delle partizioni (pur avendo meno funzionalità rispetto ai volumi dinamici).

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Evidenza, Microsoft

Veeam CDP on Linux proxy

8 Agosto 2023
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Reading Time: 4 minutes

Veeam Continuous data protection (CDP) is a technology that helps you protect mission-critical VMware virtual machines when data loss for seconds or minutes is unacceptable. CDP also provides minimum recovery time objective (RTO) in case a disaster strikes because CDP replicas are in a ready-to-start state.

First, CDP creates replicas and, then, keeps these replicas up to date. CDP constantly replicates I/O operations performed on VMs. To read and process I/O operations in transit between the protected VMs and their underlying datastore, CDP uses vSphere APIs for I/O filtering (VAIO) that gives an option not to create snapshots. Because CDP is always on and does not create snapshots, it allows reaching a lower recovery point objective (RPO) compared to the snapshot-based replication — near-zero RPO which means almost no data loss.

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Veeam

Veeam job error: “Storage determinant is not defined”

23 Luglio 2023
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Using Veeam Backup & Replication, sometimes you may find a strange failure error in your backup jobs:

The job will fail and the related VM is not saved.

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Veeam

Previsioni sui ransomware da parte di Palo Alto Networks

20 Luglio 2023
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Reading Time: 5 minutes

Palo Alto Networks ha pubblicato una interessante ricerca sull’evoluzione dei ransomware focalizzata su cosa aspettarsi dai gruppi di estorsione in futuro.

Chiedendo a loro analisti di incident response e threat intelligence cosa ci aspetta in termini di estorsioni, ecco alcune previsioni chiave.

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Sicurezza none

Commvault Security Release 2023

8 Giugno 2023
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Logo Commvault Reading Time: 4 minutes

On June, 7th Commvault announces new security capabilities across its entire portfolio signalling the next phase in its evolution helping businesses secure, defend, and recover their data to meet increasingly sophisticated cyberthreats head on.

Why security must be coupled with data protection? Because data protection usually it’s just the ‘last line of defense’… but it’s no more enough.

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Commvault, vSecurity none

Nutanix sells Frame to Dizzion

7 Giugno 2023
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Reading Time: 2 minutes

Nutanix acquired Frame in late 2018 to be able to deliver desktops-as-a-service (DaaS) from multiple clouds, combining the consumer-grade simplicity and web-scale design of cloud applications with the functionality of traditional virtual desktop applications.

Founded in 2012, Frame (Mainframe2, Inc.) pioneered the ability to stream applications and desktops from the cloud to a standard web browser, turning Windows apps into Web apps.  As part of Nutanix, Frame expanded its supported infrastructure options to include Nutanix Hybrid Cloud Platform in addition to AWS, Azure, and Google Cloud. Visit www.fra.me for more information. 

But on 6 June 2023, Dizzion, a leading provider of Desktop as a Service (DaaS) and Composable Digital Workspaces, announced the closing of the acquisition of the Frame business unit from Nutanix.

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Nutanix

Runecast SecOps 360 Day Virtual Bootcamp

3 Giugno 2023
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Also this year Runecast will manage its own event focused this time on security aspects.

SecOps 360 Day will be a virtual event bringing together senior security specialists and managers to improve collaboration between IT and security teams – on June 22, 2023.

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Events none
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