Expand pool while resilvering

ethanf

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Jul 1, 2017
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Can you add a vdev to expand a pool while resilvering? I suspect you can, but is it generally best to wait until the resilvering is complete?
 

Spearfoot

He of the long foot
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Can you add a vdev to expand a pool while resilvering? I suspect you can, but is it generally best to wait until the resilvering is complete?
I would wait until resilvering finishes before expanding the pool.
 

Constantin

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Assuming you’re dealing with CMR disks, the resilver shouldn’t take too long. I’d do one thing at a time to keep it simple.
 

ethanf

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Jul 1, 2017
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Yeah they're CMR. I'll wait for it. It's a new server and starting with a new pool. I'm anxious to get my drives all added to it and get the data back onto it from externals. One of the new drives I recently bought started having errors already so went ahead and replaced it.
 

Constantin

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Infant deaths are a common issue with drives. Some of the drives that reported smart errors to me were simply suffering from cabling issues, others were really sick.
 

ethanf

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Jul 1, 2017
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Infant deaths are a common issue with drives. Some of the drives that reported smart errors to me were simply suffering from cabling issues, others were really sick.
This one really is a dud. I decided to try some "new old stock" drives and the majority of the were RMA'd pretty quickly. This was one of the remaining few that survived a couple weeks. Lesson learned on that one--only buy "new new stock" ;).
 

Constantin

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A lot of that stuff is so called refurbished stock, which frequently entails little more than wiping the SMART flash on returned drives.

Drives are not “repairable” on a economical basis by NA-based independents. The closest we get to that is folk like drive-savers (where the aim is data recovery not drive repair!)

Only OEMs have even a hope of doing in house repairs on a economical basis by shipping the broken infant-death stock back to the Far East to facilities where the parts, expertise, exist. In NA, they likely do little more than replace fried external PCB assemblies, if that.
 
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