RAID6 is a method of configuring fault-tolerant hard drive storage. It is similar to RAID5, but differs in that it writes two sets of parity information, thus can survive the simultaneous failure of two hard drives.
Questions tagged [raid6]
128 questions
2
votes
1 answer
How is the parity calculation in a RAID 6?
In a RAID5, the parity block is a XOR calculation of the rest of blocks but, in a RAID6, the second block parity is the XOR calculation of what blocks?
http://upload.wikimedia.org/wikipedia/commons/7/70/RAID_6.svg
Thanks
user191550
- 39
2
votes
5 answers
Which disk is bad in raid6 array
Server: Ubuntu Lucid
RAID controller: Adaptec 3805
8 disks in RAID6 on HP Proliant DL180 G5 Hardware
My kern.log tells me that I have an error on sdb, as shown below:
[2740390.344436] sd 4:0:1:0: [sdb] Result: hostbyte=DID_OK…
sixnumber
- 55
2
votes
2 answers
Issue expanding raid6 array using storcli
I've got a RAID 930-16i 4GB RAID card.
I started originally with a single vd comprising of 4 x SSDs in RAID6
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DG/VD TYPE State Access Consist Cache Cac sCC Size…
user13402801
- 31
- 4
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0 answers
Which Inode Size for Files bigger than 60mb
I will create a new server and wondered about the I-node options default, news, large file and largefile4. I searched the net and found explanations about 256kb until 4mb for one I-node, but i cant conclude the average file size for one of this. I…
Sunghost
- 11
0
votes
1 answer
QNap Nas-Finding drive order for Raid 6
I have a Qnap 10 bay Nas that had two separate raid setups in it. I know that the Raid6 ran from left to right 1~5 slots, and then the Raid5 ran from slots 6~8. They both had hot spare drives in slot 9 for the Raid6 and slot 10 for the Raid5. I am…
CanTai
- 1
-1
votes
1 answer
16 drive RAID recommendation on H730P
I have a machine with 16 x 12 TB drives on an H730P controller. What would be the recommended RAID-6 configuration? The drives are of the model Toshiba MG07SCA12TEY
I am considering 2x 8 drive arrays, 1x 16 drive RAID-60 array and 1x 16 drive RAID-6…
