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Storage configuration for GPU servers (ML training)

Yes there is nothing faster than RAID0
Turdie's user avatar
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13 votes

Can I make md (Linux software RAID) more fault tolerant?

I had a similar problem. I first checked the drive's SMART info for read error count, but there weren't any. Yet the OS reported errors and the drive got kicked out of the RAID. It turned out to be a ...
bobflux's user avatar
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23 votes

Can I make md (Linux software RAID) more fault tolerant?

A single read-error will not kick-off the disk from the array, at least on post-2012 kernels. From md man page: In later kernels, a read-error will instead cause md to attempt a recovery by ...
shodanshok's user avatar
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30 votes

Can I make md (Linux software RAID) more fault tolerant?

When you do a backup, you read a lot of data. Probably the drive returns read errors, and is dropped for that reason. This may only happen for some specific area of the drive, which is not normally ...
vidarlo's user avatar
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0 votes

Optimal RAID + LVM configuration

I use : lvcreate to create a volume: lvol on a pvgroup: vgroup example: lvcreate -l 100%FREE --type raid5 -i 7 -n lvol vgroup -i is for the number of stripes in the raid (n-1)
Jean-Pierre Laurin's user avatar
2 votes

Raid 6 mdadm and 20 disk

DO NOT create a R6 with 20 disks - that's what R60 is for - just do that, and HBrujin is correct - inherently R6 stripes the protection data around all disks.
Chopper3's user avatar
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2 votes

Raid 6 mdadm and 20 disk

As far as I could quickly glance, with RAID 6 Linux mdadm does not actually use dedicated parity disks, but rather distributes the parity blocks over the devices that make up the RAID6 array. The ...
HBruijn's user avatar
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2 votes

Storage configuration for GPU servers (ML training)

Certainly putting the OS/applications on the R1 (2 x 480GB) makes sense. Obviously you've not mentioned your actual storage needs for the data, clearly you don't need oceans of storage and as you say ...
Chopper3's user avatar
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