- Community Home
- >
- Servers and Operating Systems
- >
- ProLiant
- >
- ProLiant Servers (ML,DL,SL)
- >
- How many disk failure can a 12 drive RAID 1+0 tole...
-
- Forums
-
- Advancing Life & Work
- Advantage EX
- Alliances
- Around the Storage Block
- HPE Ezmeral: Uncut
- OEM Solutions
- Servers & Systems: The Right Compute
- Tech Insights
- The Cloud Experience Everywhere
- HPE Blog, Austria, Germany & Switzerland
- Blog HPE, France
- HPE Blog, Italy
- HPE Blog, Japan
- HPE Blog, Middle East
- HPE Blog, Russia
- HPE Blog, Saudi Arabia
- HPE Blog, South Africa
- HPE Blog, UK & Ireland
-
Blogs
- Advancing Life & Work
- Advantage EX
- Alliances
- Around the Storage Block
- HPE Blog, Latin America
- HPE Blog, Middle East
- HPE Blog, Saudi Arabia
- HPE Blog, South Africa
- HPE Blog, UK & Ireland
- HPE Ezmeral: Uncut
- OEM Solutions
- Servers & Systems: The Right Compute
- Tech Insights
- The Cloud Experience Everywhere
-
Information
- Community
- Welcome
- Getting Started
- FAQ
- Ranking Overview
- Rules of Participation
- Tips and Tricks
- Resources
- Announcements
- Email us
- Feedback
- Information Libraries
- Integrated Systems
- Networking
- Servers
- Storage
- Other HPE Sites
- Support Center
- Aruba Airheads Community
- Enterprise.nxt
- HPE Dev Community
- Cloud28+ Community
- Marketplace
-
Forums
-
Blogs
-
Information
-
English
- Subscribe to RSS Feed
- Mark Topic as New
- Mark Topic as Read
- Float this Topic for Current User
- Bookmark
- Subscribe
- Printer Friendly Page
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Email to a Friend
- Report Inappropriate Content
12-22-2016 05:46 AM
12-22-2016 05:46 AM
How many disk failure can a 12 drive RAID 1+0 tolerate
Hello.
Please could anybody advice, how many disk failures can a 12 drive raid 1+0 tollerate.
Logical Drive: 1
Size: 1.6 TB
Fault Tolerance: RAID 1+0
Heads: 255
Sectors Per Track: 32
Cylinders: 65535
Strip Size: 256 KB
Full Stripe Size: 1536 KB
Status: Interim Recovery Mode
Array Accelerator: Enabled
Unique Identifier: 600508B1001CA1D048CD513F48AFA793
Disk Name: /dev/cciss/c1d0
Mount Points: None
OS Status: LOCKED
Logical Drive Label: A07020545001438021307A284AD5
Mirror Group 0:
physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SAS, 300 GB, OK)
physicaldrive 1I:1:2 (port 1I:box 1:bay 2, SAS, 300 GB, OK)
physicaldrive 1I:1:3 (port 1I:box 1:bay 3, SAS, 300 GB, OK)
physicaldrive 1I:1:4 (port 1I:box 1:bay 4, SAS, 300 GB, OK)
physicaldrive 1I:1:5 (port 1I:box 1:bay 5, SAS, 300 GB, Predictive Failure)
physicaldrive 1I:1:6 (port 1I:box 1:bay 6, SAS, 300 GB, OK)
Mirror Group 1:
physicaldrive 1I:1:7 (port 1I:box 1:bay 7, SAS, 300 GB, Failed)
physicaldrive 1I:1:8 (port 1I:box 1:bay 8, SAS, 300 GB, OK)
physicaldrive 1I:1:9 (port 1I:box 1:bay 9, SAS, 300 GB, OK)
physicaldrive 1I:1:10 (port 1I:box 1:bay 10, SAS, 300 GB, OK)
physicaldrive 1I:1:11 (port 1I:box 1:bay 11, SAS, 300 GB, OK)
physicaldrive 1I:1:12 (port 1I:box 1:bay 12, SAS, 300 GB, OK)
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Email to a Friend
- Report Inappropriate Content
12-22-2016 06:17 AM
12-22-2016 06:17 AM
Re: How many disk failure can a 12 drive RAID 1+0 tolerate
In this case a complete mirror group, but if the next failed disk is the partner of the already failed disk, game is over.
So the answer is 1 disk (consider the worst case).
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
__________________________________________________
No support by private messages. Please ask the forum!
If you feel this was helpful please click the KUDOS! thumb below!

Hewlett Packard Enterprise International
- Communities
- HPE Blogs and Forum
© Copyright 2021 Hewlett Packard Enterprise Development LP