first off I don't have the exact failure messages here, and I did not take good
notes of the failures, so I will do the best I can. Please try and give me
advice anyway.
I have a 7 drive raidz1 pool with 500G drives, and I wanted to replace them
all with 2TB drives. Immediately I ran into trouble. If I tired:
zpool offline brick <device>
I got a message like: insufficient replicas
I tried to
zpool replace brick <old device> <new device>
and I got something like: <new device> must be a single disk
I finally got replace and offline to work by:
zpool export brick
[reboot]
zpool import brick
now
zpool offline brick <old device>
zpool replace brick <old device> <new device>
This worked. zpool status showed replacing in progress, and then after about 26
hours of resilvering, everything looked fine. The <old device> was gone, and no
errors in the pool. Now I tried to do it again with the next device. I missed
the "zpool offline" part however. Immediately, I started getting disk errors on
both the drive I was replacing and the first drive I replaced. At this point I
was starting to panic, so I shut down the machine to make sure the drive cables
were plugged in properly.
When the machine came back up, the replace that just started was done. There
was a resilver in progress but the replace was gone. Now I am getting disk
errors on two drives, and I have more than 200,000 data errors ( zpool status
-v )
I have the two original drives, they are in good shape and should still have
all the data on them, can I somehow put my original zpool back. How? Please
help!
Also, what do you think went wrong here?
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