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add a hdd to raidz pool question

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dagenim

n00b
Joined
Nov 22, 2012
Messages
2
I'm using nas4free on home server.
zfs pool is 3*2TB raidz1.

I got another 2TB hdd.

Can I add only one hdd to pool without data losing?
 
dagenim said:
I'm using nas4free on home server.
zfs pool is 3*2TB raidz1.

I got another 2TB hdd.

Can I add only one hdd to pool without data losing?
Click to expand...

You can add another HD to the pool but it will not become part of your existing raidz1 dataset. Essentially you will stripe the existing pool with your new drive (think RAID 0) so this is probably not something you want to do as failure of the new drive will cause your entire pool to fail.

You can add another raidz1 (3+ drives) and stripe this with your existing pool to expand capacity.

Another option is to replace your existing 2TB drives with 3TB or 4TB drives which can be done online with little risk (zpool replace)
 
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