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RAidar can't see ReadyNAS Duo V2 on MAC
Can see ReadyNAS in Finder and also both Mac and NAS in router admin. Router is a Netgear D7000v2. Mac is 192.168.0.12 Nas is directly connected to router via ethernet and is 192.168.0.2 McAfee *...
Trevor54 wrote:I also have a failed disk - which I need to replace. I'm onto that one.
Be careful to avoid SMR drives when you purchase the replacement. WD Red Plus and Seagate Ironwolf are both good options for your NAS. The WD Red line is SMR, so best not to get one of them.
about the replacement disks ... I can source either WD or Ironwolf, but that will mean I'd be mixing disks in the array. Is that OK? I guess I need to get that disk replaced before I do anything else with the config, so my data is safe.
best,
/T
Trevor54 wrote:
about the replacement disks ... I can source either WD or Ironwolf, but that will mean I'd be mixing disks in the array. Is that OK?
Mixing is ok.
The current Barracudas in the 2-8 TB size range are all SMR, and should be avoided.
Even though the 1 TB models are CMR, I'd still choose an Ironwolf over the Barracuda.
You should either replace the drive with one of the same size, or with one that is at least as large as the biggest drive in the array.
Trevor54 wrote:
I guess I need to get that disk replaced before I do anything else with the config, so my data is safe.
The safest path is to back up the data before replacing the drive. There is no redundancy during the resync, so if another drive fails during the process you would lose the data.
Hi
sorry for protracted period of no response. I've had a bit of a health issue that required a hospital stay and I'm just home.
Here's where I've got to:
- tried several times to back up data it was just so painfully slow and seemed to fail to complete.
- acquired 2 x 2TB WD red plus WD20EFPX. Took a while to get to this point. ReadyNAS supported hardware list is out of date & I raised a support call. Never really got any kind of useful response. Also went to Seagate - who refused to help and to WD who were also highly risk averse. Both companies kept referring me to the Netgear HCL which is of course out of date. Eventually WD did suggest that WD20EFPX would be OK [list says WD20 EFRX] but they declined any responsibility.
- I've inserted a new disk {before I went in hospital on 11/11!}and the process of resync is underway. It's still running having reached about 82% after 12 days .... data rates are very slow, typically 500k so there are some days to go unless there's a way of speeding it up. There is no other activity on the NAS only this process.
What I plan to do next:
- Replace Disk 2 with WD20EFPX. This HDD seems to have some faulty/suspect sectors and the system log suggests failure is possible in the future. I guess resync will take many days too, unless there's anyway to speed it up.
Thanks for all help thus far,
Trevor
Trevor54 wrote:
What I plan to do next:
- Replace Disk 2 with WD20EFPX. This HDD seems to have some faulty/suspect sectors and the system log suggests failure is possible in the future. I guess resync will take many days too, unless there's anyway to speed it up.
FWIW, a 2 TB RAID-1 sync should take a few hours, not days.
If your current disk 2 is failing, then that likely explains the slow sync times. Hopefully the sync will complete before it totally fails.
If the issue is caused by disk 2, then the second resync will go much faster.
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