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Forum Discussion
choosing the parity disk (best place for the new one ?)
hello, with RN 6.6 is it possible to choose wich disk will be the parity disk ? On a pro 6 is it possible to decide to put 2 new disk for the raid 6 parity ? Thanks
I start from scratch after a second hand buy. I'm cleaning drive houses because they are all blocked !and it's hard to open without using the screw driver. Aniway. 3 new disk, 3 old. No best way to arrange them in RAID 6.
grish4 wrote:
3 new disk, 3 old. No best way to arrange them in RAID 6.
If you are starting from scratch with OS 6, then you
- start the factory default, and do ithe nitial setup
- then turn off xraid on the volume page (click on the xraid button, the green stripe should go away)
- destory the volume
- create a new RAID-6 volume (I recommend calling it "data")
- turn XRAID back on.
You don't need to wait for resync operations to complete on any of these steps - which saves a lot of time.
wow ! no need to wait for resync ?
you mean, the last after the raid creation id enough ?
I already made the 3 first steps, just to see. i'm waiting for the new disk.
why go back to XRAID, isn't it not just a marketing name for something able to switch alone to RAID 6 in case of insertion of the #6 ?
grish4 wrote:
wow ! no need to wait for resync ?
you mean, the last after the raid creation id enough ?
You can delete the initial volume right away, even though it is still building. After the new one is created, you can switch to XRAID if you like before the resync completes.
grish4 wrote:
why go back to XRAID, isn't it not just a marketing name for something able to switch alone to RAID 6 in case of insertion of the #6 ?
You don't need to go back to XRAID. But the auto-expansion is different than flexraid (and generally better if you have disks of differing sizes).
Also, you can do that later on too, so it's not a decision you need to make right away.
I will choose XRAID now for the next disk. Is there a table to predict the size of the usable volume with XRAID ?
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