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06-07-2013 11:23 PM
06-07-2013 11:23 PM
Smart Array setup: 1+0 or 0+1
Hi
We have one Blade server BL460C G7. The below is the output from hpacucli
"
Smart Array P410i in Slot 3
Bus Interface: PCI
Slot: 3
Serial Number: 5001438010BD9338
Cache Serial Number: PBLJK0ATAZT0AX
RAID 6 (ADG) Status: Disabled
Controller Status: OK
Hardware Revision: C
Firmware Version: 5.70
Rebuild Priority: Medium
Expand Priority: Medium
Surface Scan Delay: 3 secs
Surface Scan Mode: Idle
Queue Depth: Automatic
Monitor and Performance Delay: 60 min
Elevator Sort: Enabled
Degraded Performance Optimization: Disabled
Inconsistency Repair Policy: Disabled
Wait for Cache Room: Disabled
Surface Analysis Inconsistency Notification: Disabled
Post Prompt Timeout: 15 secs
Cache Board Present: True
Cache Status: OK
Cache Ratio: 25% Read / 75% Write
Drive Write Cache: Disabled
Total Cache Size: 1024 MB
Total Cache Memory Available: 912 MB
No-Battery Write Cache: Disabled
Cache Backup Power Source: Capacitors
Battery/Capacitor Count: 1
Battery/Capacitor Status: OK
SATA NCQ Supported: True
Array: A
Interface Type: SAS
Unused Space: 0 MB
Status: Failed Physical Drive
Array Type: Data
One of the drives on this array have failed or has been removed.
Logical Drive: 1
Size: 820.2 GB
Fault Tolerance: 1+0
Heads: 255
Sectors Per Track: 32
Cylinders: 65535
Strip Size: 256 KB
Full Stripe Size: 1536 KB
Status: Interim Recovery Mode
Caching: Enabled
Unique Identifier: 600508B1001C60778840CB73649D13C7
Disk Name: /dev/cciss/c0d0
Mount Points: /opt/TimesTen/tt_transaction_log 820.2 GB
OS Status: LOCKED
Logical Drive Label: A038CCE35001438010BD9338EFB1
Mirror Group 0:
physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SAS, 146 GB, OK)
physicaldrive 1I:1:2 (port 1I:box 1:bay 2, SAS, 146 GB, OK)
physicaldrive 1I:1:3 (port 1I:box 1:bay 3, SAS, 146 GB, OK)
physicaldrive 1I:1:4 (port 1I:box 1:bay 4, SAS, 146 GB, OK)
physicaldrive 1I:1:5 (port 1I:box 1:bay 5, SAS, 146 GB, OK)
physicaldrive 1I:1:6 (port 1I:box 1:bay 6, SAS, 146 GB, OK)
Mirror Group 1:
physicaldrive 1I:1:7 (port 1I:box 1:bay 7, SAS, 146 GB, OK)
physicaldrive 1I:1:8 (port 1I:box 1:bay 8, SAS, 146 GB, OK)
physicaldrive 1I:1:9 (port 1I:box 1:bay 9, SAS, 146 GB, OK)
physicaldrive 1I:1:10 (port 1I:box 1:bay 10, SAS, 146 GB, OK)
physicaldrive 1I:1:11 (port 1I:box 1:bay 11, SAS, 146 GB, OK)
physicaldrive 1I:1:12 (port 1I:box 1:bay 12, SAS, 146 GB, OK)
Drive Type: Data
"
As marked in red, it's said configured as "Fault Tolerance: 1+0". However, it seems there are only 2 mirror group (Mirror Group0/1).
As my understanding, Raid 1+ 0 , Should there be 6 mirror group (Raid 1) and the strip togetter (Raid 0)?
e.g.
Mirror group1: phy1 - Phy2
Mirror group2: phy3 - Phy4
Mirror group3: phy5 - Phy6
Mirror group4: phy7 - Phy8
Mirror group5: phy9 - Phy10
Mirror group6: phy11 - Phy12
Is my understanding right? Or we just have wrong configuration?
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06-08-2013 02:19 AM
06-08-2013 02:19 AM
Re: Smart Array setup: 1+0 or 0+1
Patrick
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06-13-2013 08:06 AM
06-13-2013 08:06 AM
Re: Smart Array setup: 1+0 or 0+1
Thanks Patrick.
You mean, for example
Phy1 mirror with Phy7,
Phy2 mirror with Phy8,
...
right?