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Forum Discussion
Using ReadyNAS NV+as a backup
Hi,
:?:
I deliberately want to use my ReadyNas NV+ ver 1 as a backup storage area on our home network.
It is fitted with two drives, and initially was setup using xRaid.
But is that actually the best choice for a backup device?
Having had another manufacturer's drive drive fail on me, it cost a fortune for me to get the data copied off, and I need the ability to get the data off IF easily any of the two drives goes down.
Is that possible on a two drive ReadyNas system - and - particularly - is it possible on this 'old' but good workhorse NV+ ver1?
I am not clear if xRaid then is the best choice or whether to configure it to Raid 0 - or some other setting.
Can someone advise me please?
Thank you
:?:
I deliberately want to use my ReadyNas NV+ ver 1 as a backup storage area on our home network.
It is fitted with two drives, and initially was setup using xRaid.
But is that actually the best choice for a backup device?
Having had another manufacturer's drive drive fail on me, it cost a fortune for me to get the data copied off, and I need the ability to get the data off IF easily any of the two drives goes down.
Is that possible on a two drive ReadyNas system - and - particularly - is it possible on this 'old' but good workhorse NV+ ver1?
I am not clear if xRaid then is the best choice or whether to configure it to Raid 0 - or some other setting.
Can someone advise me please?
Thank you
8 Replies
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- I think its a good choice for a backup, I will always recommend xRaid for redundancy in case of drive failure.
- Since X-RAID is set on your NAS with 2 drives inside it, if ever one of the 2 drives fails, the data is still intact on the other drive because its mirrored. On the other hand, if you set your NAS on RAID-0, if ever one of the drives fails, all of your data will be wiped out.
It is better to use X-RAID because you could just add 2 more drives for volume expansion. Check this link about X-RAID: http://www.readynas.com/?p=214
More info about ReadyNAS NV+ v1 here on this link: http://www.readynas.com/?page_id=193 - If this is strictly backup, then why would you need to spend money to get the data off?
XRAID is a good choice as it protects against a single disk failure. However, all NAS can fail in ways that result in data loss or the need for data recovery. If you are using the NAS for primary storage, and not just backup, then you should create a backup strategy for the primary data stored on the NAS. - I will add this document created by xeltros back last year, this should give you a clear perspective in planning and executing a backup strategy:
http://www.readynas.com/contributed/xeltros/Backup.pdf - Wow!
So many replies!
Thank you all. Appreciate the clarification.
:D :D :D StephenB wrote: If this is strictly backup, then why would you need to spend money to get the data off?
XRAID is a good choice as it protects against a single disk failure. However, all NAS can fail in ways that result in data loss or the need for data recovery. If you are using the NAS for primary storage, and not just backup, then you should create a backup strategy for the primary data stored on the NAS.
Thanks StephenB.
I had just arrived at a company where there was no archive backups, no incrementals -such Father/son etc - just an 'as and when' backup when someone thought they should have one.
The failure was on a single USB drive backup unit, and the data included some copies of old files.
What happened was that the 'daily departmental working' computer, was found one morning to have some old files missing.
When I turned to restore them from the second backup (on the single drive unit) it was corrupt.
The outcome was various Managers screaming for 'something' to work with' and a decison was taken to get data recovery done.
The good news was that I then had an easy time getting financial support for a new backup regime and equipment !- Makes sense.
I strongly recommend a UPS for the NAS (one that it can monitor via USB). Unexpected shutdowns can corrupt the data volume, and a UPS is cheap protection against that threat.
The NV+ v1 can be set up to do incremental backup to an attached USB drive using rsync. Performance is quite slow though, especially if the USB drive is formatted as NTFS. ext is faster (but of course requires a linux system to read it). The built-in backup is simply file copies - there is no versioning. StephenB wrote: Makes sense.
I strongly recommend a UPS for the NAS (one that it can monitor via USB). Unexpected shutdowns can corrupt the data volume, and a UPS is cheap protection against that threat.
The NV+ v1 can be set up to do incremental backup to an attached USB drive using rsync. Performance is quite slow though, especially if the USB drive is formatted as NTFS. ext is faster (but of course requires a linux system to read it). The built-in backup is simply file copies - there is no versioning.
That's very helpful - both UPS and rsync information. It's often comments like that which really assist.
Thanks again.
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