Recent articles
High Availability / Manual 2.11 / Data Storage
Definition of High Availability High availability is a system design approach and associated service implementation that ensures a prearranged level of operational performance will be met during a contractual measurement period. Users want their systems, for example wrist watches, hospitals, airplanes or computers, to be ready to serve them at all times. Availability refers to the ability of the user community to access the system, whether to submit new work, [...]
2.11.3539 / Release Notes / Data Storage
New High Availability is not experimental any more Prevent simultaneous pool imports in split head HA scenarios (using SCSI reservation mechanisms) Allow creation of HA cluster over fibre channel Send HA related notifications Add an option to manually migrate resources from one HA node to another Visually mark the HA quorum disk (to prevent accidental removal) Improved HA user interface When a pool is imported its attached iSCSI shares are [...]
How to close open files on a CIFS share / Sharing NAS / FAQ / Data Storage
ProblemYou want to find out who has files opened on a CIFS share (in order to close the system or backup data). If you try to connect to the Storage by browsing the computers from the AD Server Manager it gives you a connection error (and no operation can be executed). But if you try a New Connection, the second time it’ll connect correctly and you can find the path of [...]
VMWare issue: random slowness, PDU iSCSI ERRORs, losing the iSCSI volumes / Virtualization / FAQ / Data Storage
ProblemVMWare issue: random slowness, PDU iSCSI ERRORs, losing the iSCSI volumesi350 boards don’t work well on iSCSISolutionUse other boards (i350 boards can be used without problems in LAN traffic).The issue was discovered by Luca Bassetto, bellow is the original email.Buongiorno a tutti, Come promesso ecco i dettagli dove ho verificato quando si presenta il problema Scenario : Sistema Operativo:VMWARE vers. 4.1 – 5.0 – 5.1a – 5.1b (verificato con tutte le versioni)Hardware HOST:indifferente, [...]
Disk pool configuration scenarios / Hardware / FAQ / Data Storage
This tutorial is currently a work in progress, if you would like to contribute to it, please open a ticket here.Customers often ask us how to arrange the disks in a pool in order to get the best redundancy, the fastest access times or to maximize space.There are various setups depending on the desired outcome but a basic rule to remember is that HDDs are for keeping data and SSDs are for [...]