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499
June 25th, 2022 08:00
Same SAS model disks with different size ?
Hello everyone,
I have just buy a bunch of disks (x9) to set a RAID 6 (6+2) having an extra for hotspare.
Disks are IBM 1.2TB and is a mix of models HUC101812CSS201 and HUC101212CSS601 installed this way:
Disk0 HUC101812CSS201
Disk1 HUC101812CSS201
Disk2 HUC101212CSS601
Disk3 HUC101212CSS601
Disk4 HUC101812CSS201
Disk5 HUC101812CSS201
Disk6 HUC101212CSS601
Disk7 HUC101212CSS601
but there are showing different size with the same HUC101812CSS201 model.
My extra spare is also an HUC101812CSS201 model showing 1.071TB available instead of 1.091TB
In this situation, i cannot create Vdisk in RAID 6 mode.
Any idea?
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theflash1932
9 Legend
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16.3K Posts
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June 25th, 2022 09:00
What is the firmware of each? That can make a difference.
5ebastien
2 Posts
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June 26th, 2022 06:00
Thanks for your question @theflash1932
Not working are:
Working are:
I have just put the two EF0A revision in position 0 and 1 and PERC didn't even propose them to create RAID vistual disk:
Detailed infos:
Device Description Disk 0 in Backplane 1 of Integrated RAID Controller 1
State Ready
Operational State Not Applicable
Slot Number 0
Size 1096.73 GB
Block Size 528 bytes
Security Status Encryption Capable
Bus Protocol SAS
Media Type HDD
Hot Spare No
Remaining Rated Write Endurance Not Applicable
Failure Predicted No
Power Status Spun Up
Progress Not Applicable
Used RAID Disk Space 0.00 GB
Available RAID Disk Space 1096.73 GB
Negotiated Speed 12 Gbps
Capable Speed 12 Gbps
SAS Address 0x5000CCA0808E1015
Part Number
Manufacturer IBM SSG
Product ID H0ZA1P2
Revision EF0A
Serial Number
Manufactured Day 0
Manufactured Week 0
Manufactured Year 0
Form factor Information Not Available
T10 PI Capability Not Capable
Self Encrypting Drive Capability Capable
Device Description Disk 1 in Backplane 1 of Integrated RAID Controller 1
State Ready
Operational State Not Applicable
Slot Number 1
Size 1096.73 GB
Block Size 528 bytes
Security Status Encryption Capable
Bus Protocol SAS
Media Type HDD
Hot Spare No
Remaining Rated Write Endurance Not Applicable
Failure Predicted No
Power Status Spun Up
Progress Not Applicable
Used RAID Disk Space 0.00 GB
Available RAID Disk Space 1096.73 GB
Negotiated Speed 12 Gbps
Capable Speed 12 Gbps
SAS Address 0x5000CCA02DBA84D5
Part Number
Manufacturer IBM SSG
Product ID H0ZA1P2
Revision EF0A
Serial Number
Manufactured Day 0
Manufactured Week 0
Manufactured Year 0
Form factor Information Not Available
T10 PI Capability Not Capable
Self Encrypting Drive Capability Capable
DELL-Young E
Moderator
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5.3K Posts
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June 26th, 2022 19:00
Hi, you must bind the ones with the same disk size but if that’s not the case, you have to go with the smallest size basis. And I can see that your disk size is bit off- do you happen to use Non-Dell ones at the moment?