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Questions tagged [raid]

RAID (Redundant Array of Independent Disks) is a technology that provides increased storage functions and reliability through redundancy.

RAID (Redundant Array of Independent Disks) is a technology that provides increased storage functions and reliability through redundancy.

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Editing hex value at a particular position in disk image file using python

How do I edit hex value at a particular Sector of Disk image file (60GB) using Python? Example: Given 512, File name: RAID.img Typical File size: 60gb+ Sector: 3 Address Offset: 0000060A - 0000060F Value: 0f, 0a , ab, cf, fe, fe The code that I…
Joal
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server storage: scalable RAID solution

I've been scratching my head thinking about the best sever storage solution for my web app. It's a productivity tool where people can upload files - lots of them. I run my own server in a colocation environment. I don't want to use cloud storage…
Kinesias
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HDP cluster with RAID?

What is your experience with RAID1 on HDP cluster? I have in my mind two options: Setup RAID 1 for master and zoo nodes, and don't use RAID at all on slave nodes like kafka brokers, hbase regionservers and yarn nodemanager's. Even if I loose one…
user5688790
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Unable to remove Volume Group due to Incorrect metadata area header checksum

I have three HDDs that I pulled from an old server. Couldn't remember what was on it or how it was configured until I stuck it into my new server to use for RAID5. I dd'ed all three hard drives and tried to mdadm --create a new RAID array and got…
Kenneth P. Hough
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computer systems using the AMD chipset and RAID how to get the HDD serial number?

I took the HDD serial number but it did not result in systems using AMD chipset. In the case of computer systems using RAID then how to get HDD serial number? SelectQuery sq = new SelectQuery("SELECT Tag, SerialNumber FROM Win32_PhysicalMedia");…
SevenUp
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RAID disk usage pattern and performance

OpenStack Swift deployment documentation says: Swift’s disk usage pattern is the worst case possible for RAID, and performance degrades very quickly using RAID 5 or 6. But I failed to find any elaboration or explanation of that. So, before I dig…
bereal
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How to use power shell to exctract values from command output

I'm trying to get Adaptec raid array status by using arcconf cli and power shell for monitoring. Can not figure out the way to get the last values from the command returned string in power shell. PS C:\adaptec\msm\cmdline> .\arcconf.exe getconfig …
user2784340
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Difference between (in fault tolerance) RAID 10 and RAID 01 (RAID 0+1 vs RAID 1+0 )?

RAID 10 seems to me as a permutation RAID 01. Then how can it be more fault tolerant than RAID 01? I see the description here but it explains by dividing disks into groups and one disk if fails in each group there is no data loss in raid 10 but…
Ruppesh Nalwaya
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