What is the advantage of using X-RAID over RAID 5?
The ioSafe R4 systems support both RAID levels. RAID 5 is an industry-standard RAID level whereas X-RAID is a NetGear patented RAID technology that simplifies and automates the RAID management process. X-RAID utilizes a one-volume technology with built-in volume expansion support, either by adding more disks or by replacing existing disk with larger capacity disks. For instance, you can start out with one disk, and add up to 3 more disks when you need more capacity or when you can afford them. Volume management is automatic.
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I am using the ioSafe R4 as primary storage, how do I backup my ioSafe R4?
You can use the built-in FrontView Backup Manager to backup shares to a USB disk, another PC, or another ioSafe R4. Alternatively, you can use a PC, Mac, or Linux backup software to backup shares from the ioSafe R4.
What is the difference between the ioSafe R4 NV and NV+?
First of all, the NV+ is an evolutionary running production change over the original NV. In retrospect, the NV itself was already improving through running production changes, and a lot of features we are introducing formally in the NV+ hardware had already started appearing in the latest batches of the NV, starting in August/September timeframe.
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What is the ambient operating temperature range of the ioSafe R4?
0-40C. The ioSafe R4 will gracefully shut down if hard disk temperature exceeds safe level.
What file system does the ioSafe R4 use? Can I read a disk from the ioSafe R4 on other machines?
the ioSafe R4 uses Linux Ext2/Ext3 file system. A typical Linux distro can mount and access the data from the disks.
What is largest file size that the ioSafe R4 will support?
the ioSafe R4 will support up to 1TB (terabyte) file size. Some protocols, such as HTTP will have a limitation where maximum file transfer size can be much less.
Does the ioSafe R4 support sleep mode?
the ioSafe R4 supports the optional disk sleep mode. In this mode, disks will go on standby after a specified time of inactivity.
What is the maximum number of users and groups on the ioSafe R4?
There is a limit of 32,000 users and 32,000 groups, however, depending on application, the ioSafe R4 will support from 1 to 20 concurrent users. For large video files, the ioSafe R4 can stream 4 HD-quality video without frame drops. For Microsoft Office-type applications, the ioSafe R4 will handle many more concurrent users.
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Does the ioSafe R4 support scheduled power on and off?
The ioSafe R4 supports scheduled power on and off.
Is there any limitation on filename length?
Filename length is limited to 255 bytes. If filename contains only alphabet and numbers, this limitation is the same as most of client. However if filename contains Germanic umlaut, Chinese character, Kanji, etc., filename will be limited to less charactors. The maximum filename length will be 85 characters if filename cosists of only Chinese charactors.
Does the ioSafe R4 support JBOD or some sort of non-RAID setup?
the ioSafe R4 does not support JBOD, however, you can create a RAID 0 striped volume across all four disks or create a separate RAID 0 volume on each disk.
Will ioSafe provide data recovery service if needed?
ioSafe will provide data recovery analysis and service for a fee. Each case will be vary in price based on time spent. ioSafe Support can provide an estimate after doing an analysis.
What is the volume capacity when installing disks of different sizes?
Volume capacity will be limited by the smallest disk. For example, if you are installing one 250GB drive and three 750GB drives, your data volume capacity will be limited to 250GB on each of the four disks. In Flex-RAID mode, you can utilize the leftover space on the 3 750GB disks by creating another data volume (3 x 500GB). With X-RAID, if you replace the single 250GB disk with a 750GB disk, your capacity will automatically expand, utilizing all 750 GB from each of the 4 disks.
When would it be appropriate to use RAID 5?
Where X-RAID excels at large sequential transfers, RAID 5 performs better in smaller random access request pattern, fitting better in most office environments. Full volume management is available when you select RAID 5 (or Flex-RAID) mode. You can delete the existing volume and recreate one or more volumes, with each volume with different snapshot space and quota specification.
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Can I attach a tape drive to the ioSafe R4?
No, however you can attach a tape drive to a PC and backup files from the ioSafe R4.
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