Replace the drives in zfsraid1

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Pourya Mehdinejad

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Proxmox Subscriber
Nov 8, 2017
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Hi guys
I have a weird situtation tought you could help me
I have a cluster of three nodes running proxmox + ceph.
Ive installed the os (+ceph) on 2 x usb drive as zfs raid1, now I have high I/O wait on the CPU because the usbs are slow.
I added 2 x SAS 15K and I’m thinking if its possible to replace the USBs with SAS15Ks without having to rebuild the node.
ps:
I’ve already tried to install proxmox the same way from the beginning but my P420 didn’t boot when it was in HBA mode and I used zfsraid1.
It booted with windows or proxmox without raid.
 
sb-jw said:
Hey,

take a look at this: https://pve.proxmox.com/wiki/ZFS:_Tips_and_Tricks#Replacing_a_failed_disk_in_the_root_pool

I think you missed the grub part or you are not able to boot from the HBA.
Click to expand...
It worked!
It was weird because I couldn't get it working with Promox installation wizard.
But I tried this and now I booting the server with 2 x SAS15.
I have done all the steps from the URL you provided expect the replace part, because my Disks IDs were different, I had to attach the new disk and then detach the old USB drives.
 
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