But if you’ve got a lot of users, you can utilize a Windows domain or an LDAP server (there is a special software package you can install on the NAS to enable its own LDAP server). The easiest access control method for home applications is a local database of users and user groups. The FTP server supports passive mode, Unicode filenames and anonymous users (for whom special access rights can be applied). You can change its port numbers, disable unencrypted FTP, limit the number and speed of FTP connections. The FTP server has a dedicated setup page with as many as three tabs. You can only enable or disable them and specify a folder for the Time Machine utility in Mac OS X. The AFP and NFS protocols do not have any special settings. It cannot be enabled for particular resources but only for all files and folders stored on the NAS. When enabled, a “#recycle” folder appears in the root directory for restoring deleted documents. A network recycle bin is available for the SMB protocol. When on a Windows network, the NAS can be added to a domain and use the latter’s database of users and user groups. Browser-based access and WebDAV are supported, too. The DS411slim provides access to files via all modern protocols: SMB, AFP, NFS and FTP. The rest of the disk capacity is for user data. There is a copy of the system partition on each disk, so the NAS will keep on working if you remove a disk out of it. The newly installed OS takes about 500 megabytes whereas the remaining 2 gigabytes are for a swap file. You can build iSCSI volumes as files on existing arrays or enable block access mode for new arrays.Ī 2.5GB partition is allotted for the NAS’s operating system. The DS411slim supports iSCSI technology which is usually utilized for virtualized environments. The capacity of such volumes can be increased without losing data as long as there is free space in the group. HDDs can be combined into groups (using RAID technology) and then split up into multiple disk volumes. Particularly, you can add more disks into a JBOD, transform single HDDs into a mirror or RAID5, and replace HDDs with larger-capacity ones in a RAID1, 5 or 6. You can change the composition and type of your RAID without losing your data. Synology releases firmware updates for all its NASes simultaneously (the only exception being the models of 2007 which stopped at version 3.1), so the following description can be applied to many other Synology NASes. Overall, Synology’s web interface is pretty and interesting but not always simple and intuitive. The admin can replace the background picture of the start screen with another picture, change the port numbers or redirect everyone to the protected version of the interface page. Password complexity rules (minimum length, different character sets) can be enforced. They will be able to change their password and the desktop’s visual theme and use any of permitted services. However, you can create multiple desktop shortcuts to its internal items.īesides the administrator, ordinary users can access the NAS’s web interface, too. For example, there can be only one Control Panel irrespective of what page is open in it. You can have any number of windows open but only for the pages available on the main menu. It has an icon for minimizing windows, a button for opening the main menu of programs, a search field and a notification area. There is a taskbar at the top of the interface window. Another interesting feature is that the DS411slim has an eSATA port along with two USB 2.0 connectors. Like the 409 model, it has four bays for 2.5-inch HDDs, so the total storage capacity can be quite high (or you can build a fault-tolerant NAS). Two years ago we reviewed Synology’s DS409slim and now we are going to take a look at its successor DS411slim. There are but few such models on the market as yet. And second, it is just smaller! While the first group of advantages can be enjoyed with any NAS, the small size calls for a special compact NAS design. Compared to their bigger cousins, 2.5-inch HDDs have lower capacities and speeds but the same cost per gigabyte, although the latter parameter has been affected by some recent events.Īnyway, what can a 2.5-inch HDD offer to a NAS user? First of all, it consumes less power and produces less heat and noise. Considering that SSDs with their high speeds and low capacities are not optimal for NASes, the only possible alternative to 3.5-inch HDDs is their 2.5-inch counterparts. Network attached storage products are generally designed for standard 3.5-inch hard disk drives just because such HDDs offer largest storage capacities and a lowest cost per gigabyte.
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